7Baggers

Merck & Co.
(NYSE:MRK) 

MRK stock logo

Merck & Co., Inc. operates as a healthcare company worldwide. It operates through two segments, Pharmaceutical and Animal Health segments. The Pharmaceutical segment offers human health pharmaceutical products in the areas of oncology, hospital acute care, immunology, neuroscience, virology, cardiov...

Founded: 1891
Full Time Employees: 71,000
Sector: Healthcare
Industry: Drug Manufacturers-General

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At a glance:
  • Keytruda Remains the Primary Growth Engine: Merck’s oncology franchise continues to be anchored by Keytruda, which is central to revenue growth and ongoing label expansion efforts across tumor types and treatment settings.
  • Patent Expiry Risk Creates a Looming Revenue Cliff: Upcoming loss of exclusivity—especially for Keytruda later this decade—raises medium-term risk, increasing the importance of lifecycle management, new launches, and pipeline execution.
  • Pipeline and Business Development Are Critical to Diversification: Merck is investing heavily in internal R&D and acquisitions/partnerships to broaden its portfolio beyond oncology and mitigate concentration risk tied to a small number of blockbuster products.
  • Animal Health Provides a Steady, Diversifying Earnings Stream: The Animal Health segment typically contributes resilient demand and cash generation, helping balance cyclicality and patent-cycle risk within the human pharmaceuticals business.
  • Strong Cash Flow Supports Shareholder Returns and Investment: Merck’s scale and profitability generally enable continued dividends and capital return while funding R&D and targeted dealmaking, though large acquisitions can shift near-term leverage and capital allocation priorities.
Bull Thesis:
  • Keytruda's Enduring Dominance and Pipeline Expansion: Keytruda (pembrolizumab) continues to be a blockbuster drug with expanding indications across various cancer types, driving significant revenue growth. Merck's robust R&D pipeline, particularly in oncology, vaccines, and cardiovascular, aims to discover and develop the next generation of market-leading therapies, ensuring long-term growth beyond Keytruda's eventual patent expiry.
  • Strong Vaccine Portfolio Performance: Merck's vaccine division, led by Gardasil (HPV vaccine) and Vaxneuvance (pneumococcal vaccine), provides a stable and high-margin revenue stream. Global demand for preventative health solutions, especially in emerging markets, continues to drive growth for these essential products, diversifying Merck's revenue base.
  • Healthy Financial Position and Shareholder Returns: Merck maintains a strong balance sheet, generates substantial free cash flow, and consistently returns capital to shareholders through a reliable dividend and share repurchase programs. This financial strength provides flexibility for strategic investments, M&A opportunities, and resilience against market fluctuations.
  • Strategic Focus on High-Growth Therapeutic Areas: Through strategic divestitures (e.g., Organon spin-off), Merck has sharpened its focus on high-growth, high-margin therapeutic areas such as oncology, vaccines, and hospital acute care. This streamlined portfolio allows for more concentrated R&D investment and commercial efforts in areas with significant unmet medical needs and market potential.
Bear Thesis:
  • Keytruda Patent Cliff Risk: While still several years away (late 2020s), the eventual patent expiration of Keytruda poses a significant long-term revenue challenge. The company's ability to successfully launch new blockbuster drugs from its pipeline to offset this revenue decline is critical and carries inherent R&D and commercialization risks.
  • R&D Productivity and Pipeline Execution Uncertainty: Despite substantial R&D investment, the pharmaceutical industry faces high attrition rates in clinical development. Failure to successfully bring new, innovative drugs to market or to achieve expected commercial success for pipeline assets could significantly impact future growth prospects and investor confidence.
  • Increasing Competition and Biosimilar Threats: The pharmaceutical market is highly competitive, with new entrants and existing players constantly developing alternative therapies. Additionally, the rise of biosimilars for older, established drugs could erode market share and pricing power for some of Merck's non-Keytruda products, impacting overall profitability.
  • Regulatory and Pricing Pressures: Governments and payers globally are intensifying scrutiny on drug pricing, leading to potential legislative actions (e.g., Inflation Reduction Act in the U.S.) and increased pressure for price concessions. These pressures could negatively impact Merck's revenue growth and profit margins, particularly for its high-value drugs.
Main Competitors:
  • Pfizer Inc. ($PFE) (Oncology (e.g., Ibrance), Vaccines (e.g., Prevnar), Internal Medicine), Pfizer competes with Merck across a wide range of therapeutic areas, including oncology, where its drugs like Ibrance compete in certain cancer types, and in vaccines, where its Prevnar franchise is a direct competitor to Merck's pneumococcal vaccines. Pfizer leverages its extensive R&D capabilities and global commercial footprint to challenge Merck in various markets.
  • Bristol Myers Squibb (BMS) ($BMY) (Immuno-Oncology (e.g., Opdivo), Hematology, Immunology), BMS is a major competitor in the high-growth immuno-oncology space, with its drug Opdivo directly competing with Merck's Keytruda for market share across numerous cancer indications. They also compete in other specialty areas like hematology and immunology, driven by a strong pipeline and focus on innovative therapies.
  • Johnson & Johnson (Janssen Pharmaceutical Companies) ($JNJ) (Oncology (e.g., Darzalex, Erleada), Immunology (e.g., Stelara), Neuroscience), Johnson & Johnson's pharmaceutical division, Janssen, competes with Merck across multiple therapeutic areas. In oncology, Janssen's drugs like Darzalex and Erleada challenge Merck's portfolio. They also have strong positions in immunology and neuroscience, backed by a diverse pipeline and global presence, making them a broad-based pharmaceutical rival.
  • AstraZeneca PLC ($AZN) (Oncology (e.g., Tagrisso, Imfinzi, Lynparza), Cardiovascular, Renal & Metabolism, Respiratory), AstraZeneca is a significant competitor, particularly in oncology, with a robust portfolio including Tagrisso, Imfinzi, and Lynparza, which target various cancer types and mechanisms, often overlapping with Merck's oncology focus. They also compete in other key therapeutic areas like cardiovascular, renal & metabolism, and respiratory diseases.
  • Roche Holding AG ($RHHBY) (Oncology (e.g., Tecentriq, Herceptin, Avastin), Immunology, Diagnostics), Roche is a global leader in oncology and diagnostics, competing with Merck through its strong portfolio of cancer treatments such as Tecentriq (another immuno-oncology drug), Herceptin, and Avastin. Roche's integrated approach, combining pharmaceuticals with diagnostics, provides a unique competitive edge in personalized healthcare.
Moat:
Merck's competitive moat is primarily built upon its robust R&D engine, leading to a strong pipeline of innovative drugs, most notably its blockbuster immuno-oncology drug Keytruda, which holds a dominant market position across numerous cancer indications. Its established vaccine portfolio, including Gardasil and pneumococcal vaccines, also provides significant recurring revenue and market leadership. Further strengthening its moat are extensive intellectual property protections and a global commercial infrastructure. However, Merck operates in a highly competitive landscape, facing intense rivalry from other major pharmaceutical companies like Pfizer, Bristol Myers Squibb, Johnson & Johnson, AstraZeneca, and Roche. These competitors vie for market share across key therapeutic areas, particularly oncology and vaccines, through their own R&D efforts and product portfolios. The industry also presents challenges such as patent expirations, the high cost and risk of drug development, and increasing pricing pressure from healthcare systems globally.
Income Statements:
Quarterly
Annual
    Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 
                                                                              
      sales
    16,286,000,000 16,400,000,000 17,276,000,000 15,806,000,000 15,529,000,000 15,624,000,000 16,657,000,000 16,112,000,000 15,775,000,000 14,630,000,000 15,962,000,000 15,035,000,000 14,487,000,000 13,830,000,000 14,959,000,000 14,593,000,000 15,901,000,000 13,521,000,000 13,154,000,000 11,402,000,000 12,080,000,000 12,515,000,000 12,551,000,000 10,872,000,000 12,057,000,000 7,322,000,000 12,397,000,000 11,760,000,000 10,816,000,000 8,826,000,000 10,794,000,000 10,465,000,000 10,037,000,000 10,433,000,000 10,325,000,000 9,930,000,000 9,434,000,000 10,115,000,000 10,536,000,000 9,844,000,000 9,312,000,000 10,215,000,000 10,073,000,000 9,785,000,000 9,425,000,000 10,482,000,000 10,557,000,000 10,934,000,000 10,264,000,000 11,320,000,000 11,032,000,000 11,010,000,000 10,671,000,000 11,737,000,000 11,488,000,000 12,311,000,000 11,731,000,000 12,294,000,000 12,022,000,000 12,151,000,000 11,580,000,000 12,093,700,000 11,124,900,000 11,346,300,000 11,422,200,000          
      yoy
    4.87% 4.97% 3.72% -1.90% -1.56% 6.79% 4.35% 7.16% 8.89% 5.78% 6.70% 3.03% -8.89% 2.29% 13.72% 27.99% 31.63% 8.04% 4.80% 4.87% 0.19% 70.92% 1.24% -7.55% 11.47% -17.04% 14.85% 12.37% 7.76% -15.40% 4.54% 5.39% 6.39% 3.14% -2.00% 0.87% 1.31% -0.98% 4.60% 0.60% -1.20% -2.55% -4.58% -10.51% -8.17% -7.40% -4.31% -0.69% -3.81% -3.55% -3.97% -10.57% -9.04% -4.53% -4.44% 1.32% 1.30% 1.66% 8.06% 7.09% 1.38%              
      qoq
    -0.70% -5.07% 9.30% 1.78% -0.61% -6.20% 3.38% 2.14% 7.83% -8.34% 6.17% 3.78% 4.75% -7.55% 2.51% -8.23% 17.60% 2.79% 15.37% -5.61% -3.48% -0.29% 15.44% -9.83% 64.67% -40.94% 5.42% 8.73% 22.55% -18.23% 3.14% 4.26% -3.80% 1.05% 3.98% 5.26% -6.73% -4.00% 7.03% 5.71% -8.84% 1.41% 2.94% 3.82% -10.08% -0.71% -3.45% 6.53% -9.33% 2.61% 0.20% 3.18% -9.08% 2.17% -6.69% 4.94% -4.58% 2.26% -1.06% 4.93% -4.25% 8.71% -1.95% -0.66%           
      costs, expenses and other
                                                                              
      cost of sales
    4,195,000,000 5,551,000,000 3,855,000,000 3,557,000,000 3,419,000,000 3,828,000,000 4,080,000,000 3,745,000,000 3,540,000,000 3,912,000,000 4,264,000,000 4,024,000,000 3,926,000,000 3,881,000,000 3,934,000,000 4,216,000,000 5,380,000,000 3,874,000,000 3,450,000,000 3,104,000,000 3,670,000,000 5,533,000,000 3,481,000,000 3,159,000,000 3,312,000,000 2,610,750,000 3,990,000,000 3,401,000,000 3,052,000,000                                     429,750,000 1,719,000,000 1,620,000,000 1,399,000,000 -1,736,992,693 1,737,000,000 1,908,000,000 2,137,000,000  
      selling, general and administrative
    2,700,000,000 2,898,000,000 2,633,000,000 2,649,000,000 2,552,000,000 2,864,000,000 2,731,000,000 2,739,000,000 2,483,000,000 2,804,000,000 2,519,000,000 2,702,000,000 2,479,000,000 2,687,000,000 2,520,000,000 2,512,000,000 2,323,000,000 2,830,000,000 2,336,000,000 2,281,000,000 2,633,000,000 3,085,000,000 2,450,000,000 2,378,000,000 2,555,000,000 1,931,500,000 2,589,000,000 2,712,000,000 2,425,000,000                                     377,750,000 1,511,000,000 1,626,000,000 1,493,000,000 -1,659,993,177 1,660,000,000 1,870,000,000 1,676,000,000  
      research and development
    12,592,000,000 3,886,000,000 4,234,000,000 4,048,000,000 3,621,000,000 4,584,000,000 5,862,000,000 3,500,000,000 3,992,000,000 9,627,000,000 3,307,000,000 13,321,000,000 4,276,000,000 3,775,000,000 4,399,000,000 2,798,000,000 2,576,000,000 3,068,000,000 2,445,000,000 4,321,000,000 2,465,000,000 5,837,000,000 3,390,000,000 2,123,000,000 2,209,000,000 1,831,000,000 3,204,000,000 2,189,000,000 1,931,000,000 1,884,500,000 2,068,000,000 2,274,000,000 3,196,000,000 2,281,000,000 4,383,000,000 1,749,000,000 1,796,000,000 4,649,000,000 1,664,000,000 2,151,000,000 1,659,000,000 1,798,000,000 1,500,000,000 1,670,000,000 1,737,000,000 2,283,000,000 1,659,000,000 1,664,000,000 1,574,000,000 1,835,000,000 1,660,000,000 2,101,000,000 1,907,000,000 2,224,000,000 1,918,000,000 2,165,000,000 1,862,000,000 2,419,000,000 1,954,000,000 1,936,000,000 2,158,000,000 1,618,500,000 2,296,400,000 2,150,900,000 2,026,700,000 4,932,000,000 913,000,000 863,000,000 804,000,000 -892,996,471 893,000,000 906,000,000 880,000,000  
      restructuring costs
    195,000,000 213,000,000 47,000,000 560,000,000 69,000,000 51,000,000 56,000,000 80,000,000 123,000,000 255,000,000 126,000,000 151,000,000 67,000,000 49,000,000 94,000,000 142,000,000 53,000,000 174,000,000 107,000,000 82,000,000 298,000,000 309,000,000 114,000,000 83,000,000 72,000,000 111,000,000 232,000,000 59,000,000 153,000,000 123,500,000 171,000,000 228,000,000 95,000,000 306,000,000 153,000,000 166,000,000 151,000,000 265,000,000 161,000,000 134,000,000 91,000,000 233,000,000 113,000,000 191,000,000 82,000,000 349,000,000 376,000,000 163,000,000 125,000,000 565,000,000 870,000,000 155,000,000 119,000,000 191,000,000 110,000,000 144,000,000 219,000,000 533,000,000 119,000,000 668,000,000 -14,000,000 121,400,000 49,600,000 526,300,000 287,700,000          
      other expense
    138,000,000 432,000,000 -238,000,000 -7,000,000 -35,000,000 127,000,000 -162,000,000 42,000,000 -33,000,000 78,000,000 126,000,000 172,000,000 89,000,000 -75,000,000 429,000,000 438,000,000 708,000,000 -334,000,000 -450,000,000 -103,000,000 -448,000,000 -256,000,000 -312,000,000 -390,000,000 71,000,000 90,500,000 35,000,000 140,000,000 188,000,000 -128,000,000 -172,000,000 -48,000,000 -291,000,000 -18,000,000 -86,000,000 58,000,000 58,000,000 632,000,000 22,000,000 19,000,000  903,000,000 -170,000,000 739,000,000 55,000,000 -184,250,000 -142,000,000 -558,000,000 -39,000,000 159,000,000 172,000,000 201,000,000 282,000,000 670,000,000 200,000,000 103,000,000 142,000,000                  
      costs, expenses and other - sum
    19,820,000,000 12,980,000,000 10,531,000,000 10,807,000,000 9,626,000,000 11,454,000,000 12,567,000,000 10,106,000,000 10,105,000,000 16,676,000,000 10,342,000,000 20,370,000,000 10,837,000,000 10,317,000,000 11,376,000,000 10,106,000,000 11,040,000,000 9,612,000,000 7,888,000,000 9,685,000,000 8,618,000,000 14,508,000,000 9,123,000,000 7,353,000,000 8,219,000,000 6,574,750,000 10,050,000,000 8,501,000,000 7,749,000,000 6,299,750,000 8,129,000,000 8,379,000,000 8,692,000,000 8,554,000,000 10,125,000,000 7,491,000,000 7,431,000,000 11,471,000,000 7,649,000,000 8,340,000,000  9,399,000,000 7,676,000,000 8,978,000,000 8,044,000,000 6,570,750,000 9,067,000,000 9,043,000,000 8,173,000,000 10,095,000,000 9,507,000,000 9,765,000,000 9,121,000,000 10,403,000,000 9,270,000,000 9,631,000,000 9,224,000,000                  
      income before taxes
    -3,534,000,000 3,420,000,000 6,745,000,000 4,999,000,000 5,903,000,000 4,170,000,000 4,090,000,000 6,006,000,000 5,670,000,000 983,750,000 5,620,000,000 -5,335,000,000 3,650,000,000        3,462,000,000 -1,993,000,000 3,428,000,000 3,519,000,000 3,838,000,000 2,168,250,000 2,347,000,000 3,259,000,000 3,067,000,000 1,524,250,000 2,665,000,000 2,086,000,000 1,345,000,000 1,879,000,000 200,000,000 2,439,000,000 2,003,000,000 -1,356,000,000 2,887,000,000 1,504,000,000 1,624,000,000 816,000,000 2,397,000,000 807,000,000 1,381,000,000 11,811,000,000 1,490,000,000 1,891,000,000 2,091,000,000 1,225,000,000 1,525,000,000 1,245,000,000 1,550,000,000 1,334,000,000 2,218,000,000 2,680,000,000 2,507,000,000 1,581,000,000 2,352,000,000 1,672,000,000 1,729,000,000 -701,200,000 497,700,000 1,240,800,000 615,800,000          
      income tax provision
    709,000,000       545,000,000    637,000,000                              277,000,000 566,000,000 119,000,000                               
      net income
    -4,243,000,000 2,962,000,000 5,787,000,000 4,428,000,000 5,085,000,000 3,744,000,000 3,161,000,000 5,461,000,000 4,767,000,000 -1,602,860,000 4,750,000,000 -5,972,000,000 2,825,000,000 1,180,000 1,280,000 1,560,000 1,700,000 1,490,000 1,810,000 610,000 3,186,000,000 -2,091,000,000 2,945,000,000 3,010,000,000 3,219,000,000 1,853,500,000 1,907,000,000 2,644,000,000 2,862,000,000 1,103,750,000 1,958,000,000 1,716,000,000 741,000,000 -1,038,000,000 -51,000,000 1,951,000,000 1,556,000,000 -587,000,000 2,188,000,000 1,209,000,000 1,130,000,000 982,000,000 1,831,000,000 688,000,000 958,000,000 7,327,000,000 842,000,000 2,033,000,000 1,731,000,000 815,000,000 1,150,000,000 935,000,000 1,616,000,000 949,000,000 1,763,000,000 1,820,000,000 1,767,000,000 1,543,000,000 1,724,000,000 2,054,000,000 1,071,000,000 -500,000,000 371,700,000 780,200,000 330,200,000 12,509,200,000 515,000,000 671,000,000 805,000,000 147,250,000 589,000,000 436,000,000 291,000,000  
      less: net income attributable to noncontrolling interests
    -3,000,000 -1,000,000 2,000,000 1,000,000 6,000,000 1,000,000 4,000,000 6,000,000 5,000,000  5,000,000 3,000,000 4,000,000 1,000,000 5,000,000 5,000,000 -3,000,000 4,000,000 4,000,000 1,000,000 7,000,000 3,000,000 4,000,000 8,000,000  -18,250,000 6,000,000 -26,000,000 -53,000,000 5,500,000 8,000,000 9,000,000 5,000,000 8,000,000 5,000,000 5,000,000 5,000,000 8,000,000 4,000,000 4,000,000 5,000,000 5,000,000 5,000,000 1,000,000 5,000,000 11,000,000 -53,000,000 29,000,000 26,000,000 34,000,000 26,000,000 29,000,000 23,000,000 42,000,000 34,000,000 27,000,000 29,000,000 31,000,000 32,000,000 30,000,000 28,000,000 22,325,000 30,100,000 27,800,000 31,400,000          
      net income attributable to merck & co., inc.
    -4,240,000,000 2,963,000,000 5,785,000,000 4,427,000,000 5,079,000,000 3,743,000,000 3,157,000,000 5,455,000,000 4,762,000,000 -1,226,000,000 4,745,000,000 -5,975,000,000 2,821,000,000 3,017,000,000 3,248,000,000 3,944,000,000 4,310,000,000 3,758,000,000 4,567,000,000 1,545,000,000 3,179,000,000 -2,094,000,000 2,941,000,000 3,002,000,000 3,219,000,000 1,871,750,000 1,901,000,000 2,670,000,000 2,915,000,000 1,098,250,000 1,950,000,000 1,707,000,000 736,000,000 -1,046,000,000 -56,000,000 1,946,000,000 1,551,000,000 -595,000,000 2,184,000,000 1,205,000,000 1,125,000,000 977,000,000 1,826,000,000 687,000,000 953,000,000 7,316,000,000 895,000,000 2,004,000,000 1,705,000,000 781,000,000 1,124,000,000 906,000,000 1,593,000,000 907,000,000 1,729,000,000 1,793,000,000 1,738,000,000 1,512,000,000 1,692,000,000 2,024,000,000 1,043,000,000 -531,700,000 341,600,000 752,400,000 298,800,000          
      yoy
    -183.48% -20.84% 83.24% -18.85% 6.66% -405.30% -33.47% -191.30% 68.81% -140.64% 46.09% -251.50% -34.55% -19.72% -28.88% 155.28% 35.58% -279.47% 55.29% -48.53% -1.24% -211.87% 54.71% 12.43% 10.43% 70.43% -2.51% 56.41% 296.06% -205.00% -3582.14% -12.28% -52.55% 75.80% -102.56% 61.49% 37.87% -160.90% 19.61% 75.40% 18.05% -86.65% 104.02% -65.72% -44.11% 836.75% -20.37% 121.19% 7.03% -13.89% -34.99% -49.47% -8.34% -40.01% 2.19% -11.41% 66.63% -384.37% 395.32% 169.01% 249.06%              
      qoq
    -243.10% -48.78% 30.68% -12.84% 35.69% 18.56% -42.13% 14.55% -488.42% -125.84% -179.41% -311.80% -6.50% -7.11% -17.65% -8.49% 14.69% -17.71% 195.60% -51.40% -251.81% -171.20% -2.03% -6.74% 71.98% -1.54% -28.80% -8.40% 165.42% -43.68% 14.24% 131.93% -170.36% 1767.86% -102.88% 25.47% -360.67% -127.24% 81.24% 7.11% 15.15% -46.50% 165.79% -27.91% -86.97% 717.43% -55.34% 17.54% 118.31% -30.52% 24.06% -43.13% 75.63% -47.54% -3.57% 3.16% 14.95% -10.64% -16.40% 94.06% -296.16% -255.65% -54.60% 151.81%           
      net income margin %
    -26.03% 18.07% 33.49% 28.01% 32.71% 23.96% 18.95% 33.86% 30.19% -8.38% 29.73% -39.74% 19.47% 21.81% 21.71% 27.03% 27.11% 27.79% 34.72% 13.55% 26.32% -16.73% 23.43% 27.61% 26.70% 25.56% 15.33% 22.70% 26.95% 12.44% 18.07% 16.31% 7.33% -10.03% -0.54% 19.60% 16.44% -5.88% 20.73% 12.24% 12.08% 9.56% 18.13% 7.02% 10.11% 69.80% 8.48% 18.33% 16.61% 6.90% 10.19% 8.23% 14.93% 7.73% 15.05% 14.56% 14.82% 12.30% 14.07% 16.66% 9.01% -4.40% 3.07% 6.63% 2.62% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN%  
      basic earnings per common share attributable to merck & co., inc. common shareholders
    -1,720,000 1,210,000 2,320,000 1,760,000 2,010,000 1,480,000 1,250,000 2,150,000 1,880,000 157,500 1,870,000 -2,350,000 1,110,000        1,260,000 -830,000 1,160,000 1,190,000 1,270,000 -570,000 740,000 1,040,000 1,130,000 -760,000 730,000 640,000 270,000 -380,000 -20,000 710,000 560,000 -210,000 790,000 440,000 410,000 350,000 650,000 240,000 340,000 2,540,000 310,000 690,000 580,000 270,000 380,000 300,000 530,000 300,000 570,000   500,000 550,000 650,000 340,000 112,500 110,000 240,000 100,000          
      earnings per common share assuming dilution attributable to merck & co., inc. common shareholders
    -1,720,000 1,200,000 2,320,000 1,760,000 2,010,000 1,480,000 1,240,000 2,140,000 1,870,000 155,000 1,860,000 -2,350,000 1,110,000        1,250,000 -830,000 1,160,000 1,180,000 1,260,000 -570,000 740,000 1,030,000 1,120,000 -760,000 730,000 630,000 270,000 -380,000 -20,000 710,000 560,000 -210,000 780,000 430,000 400,000 340,000 640,000 240,000 330,000 2,500,000 310,000 680,000 570,000 270,000 380,000 300,000 520,000 290,000 560,000   490,000 550,000 650,000 340,000 110,000 110,000 240,000 90,000          
      taxes on income
     458,000,000 958,000,000 571,000,000 818,000,000 426,000,000 929,000,000  903,000,000 583,000,000 870,000,000  825,000,000        276,000,000 98,000,000 483,000,000 509,000,000 619,000,000 314,750,000 440,000,000 615,000,000 205,000,000 420,500,000 707,000,000 370,000,000 604,000,000 2,917,000,000 251,000,000 488,000,000 447,000,000 -769,000,000 699,000,000 295,000,000 494,000,000    423,000,000 4,484,000,000 648,000,000 -142,000,000 360,000,000 410,000,000 375,000,000 310,000,000 -66,000,000 385,000,000 455,000,000 860,000,000 740,000,000 38,000,000 628,000,000 -382,000,000 658,000,000 -201,200,000 126,000,000 460,600,000 285,600,000          
      income from continuing operations before taxes
                 3,513,000,000 3,583,000,000 4,487,000,000 4,861,000,000 3,909,000,000 5,266,000,000 1,717,000,000                                                       
      taxes on income from continuing operations
                 495,000,000 330,000,000 538,000,000 554,000,000 85,000,000 695,000,000 503,000,000                                                       
      net income from continuing operations
                 3,018,000,000 3,253,000,000 3,949,000,000 4,307,000,000 3,824,000,000 4,571,000,000 1,214,000,000                                                       
      net income from continuing operations attributable to merck & co., inc.
                 3,017,000,000 3,248,000,000 3,944,000,000 4,310,000,000 3,820,000,000 4,567,000,000 1,213,000,000                                                       
      income from discontinued operations, net of taxes and amounts attributable to noncontrolling interests
                     -62,000,000  332,000,000                                                       
      basic earnings per common share attributable to merck & co., inc. common shareholders:
                                                                              
      income from continuing operations
                 1,180,000 1,280,000 1,560,000 1,700,000 1,510,000 1,810,000 480,000                                                       
      income from discontinued operations
                     -20,000  130,000                                                       
      earnings per common share assuming dilution attributable to merck & co., inc. common shareholders:
                                                                              
      less: net loss attributable to noncontrolling interests
                                                                              
      materials and production
                                 2,555,000,000 3,619,000,000 3,417,000,000 3,184,000,000 3,406,000,000 3,274,000,000 3,080,000,000 3,015,000,000 3,332,000,000 3,409,000,000 3,578,000,000 3,572,000,000 3,850,000,000 3,761,000,000 3,754,000,000 3,569,000,000 3,749,000,000 4,223,000,000 4,893,000,000 3,903,000,000 4,607,000,000 4,104,000,000 4,284,000,000 3,959,000,000 4,160,000,000 4,137,000,000 4,112,000,000 4,037,000,000 4,176,000,000 4,352,000,000 4,284,000,000 4,059,000,000 3,488,975,000 4,191,400,000 4,548,900,000 5,215,600,000          
      marketing and administrative
                                 1,864,750,000 2,443,000,000 2,508,000,000 2,508,000,000 2,579,000,000 2,401,000,000 2,438,000,000 2,411,000,000 2,593,000,000 2,393,000,000 2,458,000,000 2,318,000,000 2,615,000,000 2,472,000,000 2,624,000,000 2,601,000,000 2,925,000,000 2,975,000,000 2,973,000,000 2,734,000,000 2,982,000,000 2,803,000,000 3,140,000,000 2,987,000,000 3,390,000,000 3,063,000,000 3,249,000,000 3,074,000,000 3,704,000,000 3,340,000,000 3,525,000,000 3,164,000,000 2,416,700,000 3,217,900,000 3,202,700,000 3,246,200,000          
      dividends declared per common share
                                   480,000 480,000 352,500 470,000 470,000 470,000 345,000 460,000 460,000 460,000 337,500 450,000 450,000 450,000 330,000 440,000 440,000 440,000 322,500 430,000 430,000 430,000 315,000 420,000 420,000 420,000 285,000 380,000 380,000 380,000 285,000 380,000 380,000 380,000          
      other income
                                            48,000,000                 137,000,000 66,000,000 121,000,000 622,000,000 308,400,000 1,108,300,000 -280,400,000 167,700,000          
      equity income from affiliates
                                                 -16,000,000 -24,000,000 -92,000,000 -124,000,000 -53,000,000 -102,000,000 -116,000,000 -133,000,000 -232,000,000 -158,000,000 -142,000,000 -110,000,000 -256,000,000 -161,000,000 -55,000,000 -138,000,000 -170,200,000 -236,400,000 -42,900,000 -137,500,000          
      basic earnings per common share attributable to
                                                                              
      merck & co., inc. common shareholders
                                                           590,000 570,000                  
      earnings per common share assuming dilution attributable
                                                                              
      to merck & co., inc. common shareholders
                                                           580,000 560,000                  
      net sales
                                                                     1,124,750,000 4,499,000,000 4,647,000,000 4,393,000,000 -4,575,981,498 4,576,000,000 4,921,000,000 4,657,000,000  
      other income/(income)
                                                                     25,500,000 102,000,000 106,000,000 88,000,000 39,000,335 -39,000,000 134,000,000 95,000,000  
      special, merger and acquisition-related charges
                                                                     7,250,000 29,000,000 29,000,000 75,000,000      
      equity income
                                                                     -96,750,000 -387,000,000 -370,000,000 -400,000,000 433,998,130 -434,000,000 -493,000,000 -517,000,000  
      income before income taxes
                                                                     153,000,000 612,000,000 773,000,000 934,000,000 164,500,000 658,000,000 502,000,000 363,000,000  
      income tax expense
                                                                     24,250,000 97,000,000 102,000,000 129,000,000 -68,999,854 69,000,000 66,000,000 72,000,000  
      preferred stock dividends
                                                                     -35,900,000 38,000,000 38,000,000 38,000,000 -37,999,850 38,000,000 38,000,000 38,000,000  
      net income available to common shareholders
                                                                     12,422,200,000 477,000,000 633,000,000 767,000,000 137,750,000 551,000,000 398,000,000 253,000,000  
      diluted earnings per common share
                                                                     72,500 290,000 380,000 460,000 85,000 340,000 240,000 150,000  
      basic earnings per common share
                                                                     72,500 290,000 380,000 470,000 85,000 340,000 250,000 160,000  
      dividends per common share
                                                                     16,250 65,000 65,000 65,000 -64,999.74 65,000 65,000 65,000  
      special and acquisition-related charges
                                                                         -100,999,671 101,000,000 94,000,000 23,000,000  
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 
                                                                                
        assets
                                                                                
        current assets
                                                                                
        cash and cash equivalents
      5,327,000,000 14,565,000,000 18,169,000,000 8,007,000,000 8,629,000,000 13,242,000,000 14,593,000,000 11,304,000,000 5,579,000,000 6,841,000,000 8,605,000,000 5,660,000,000 9,707,000,000 12,694,000,000 11,145,000,000 9,675,000,000 8,556,000,000 8,096,000,000 10,016,000,000 8,575,000,000 6,981,000,000 8,062,000,000 7,356,000,000 11,103,000,000 7,425,000,000 9,676,000,000 7,869,000,000 6,659,000,000 8,076,000,000 7,965,000,000 7,826,000,000 5,310,000,000 4,483,000,000 6,092,000,000 7,901,000,000 7,786,000,000 11,708,000,000 6,515,000,000 7,907,000,000 6,608,000,000 9,716,000,000 8,524,000,000 7,548,000,000 6,922,000,000 7,980,000,000 7,441,000,000 11,370,000,000 9,743,000,000 15,828,000,000 15,621,000,000 14,090,000,000 15,090,000,000 13,024,000,000 13,451,000,000 17,360,000,000 16,752,000,000 14,656,000,000 13,531,000,000 14,253,000,000 12,342,000,000 11,695,000,000 10,900,000,000 9,874,400,000 8,665,600,000 8,236,000,000 9,311,400,000 4,312,000,000 2,989,000,000 2,845,000,000 3,373,000,000 3,159,000,000 2,705,000,000 2,454,000,000 2,279,000,000 
        short-term investments
      375,000,000  45,000,000 615,000,000 599,000,000 447,000,000  50,000,000 40,000,000 252,000,000 168,000,000 718,000,000 680,000,000 498,000,000 103,000,000 453,000,000 372,000,000        7,000,000 774,000,000 149,000,000 446,000,000 722,000,000 899,000,000 2,459,000,000 2,284,000,000 2,863,000,000 2,406,000,000 3,294,000,000 4,181,000,000 3,541,000,000 7,826,000,000 5,160,000,000 5,226,000,000 3,227,000,000 4,903,000,000 4,541,000,000 4,448,000,000 7,621,000,000 8,278,000,000 2,977,000,000 3,652,000,000 4,685,000,000 1,865,000,000 4,079,000,000 3,008,000,000 2,998,000,000 2,690,000,000 757,000,000 698,000,000 910,000,000 1,441,000,000 1,323,000,000 1,639,000,000 1,334,000,000 1,301,000,000 750,400,000 1,277,000,000 1,541,300,000 293,100,000 487,000,000 1,411,000,000 708,000,000 5,000,000 6,000,000 22,000,000 7,000,000 32,000,000 
        accounts receivable
      12,210,000,000 11,775,000,000 12,120,000,000 11,846,000,000 10,790,000,000 10,278,000,000 11,381,000,000 11,642,000,000 11,366,000,000 10,349,000,000 10,394,000,000 11,030,000,000 10,415,000,000 9,450,000,000 9,482,000,000 9,643,000,000 9,828,000,000 9,230,000,000 8,571,000,000 7,843,000,000 8,235,000,000 7,851,000,000 8,422,000,000 7,577,000,000 8,182,000,000 6,778,000,000 8,442,000,000 7,964,000,000 7,608,000,000 7,071,000,000 7,374,000,000 7,287,000,000 7,245,000,000 6,873,000,000 7,671,000,000 7,439,000,000 7,066,000,000 7,018,000,000 7,364,000,000 6,916,000,000 6,850,000,000 6,484,000,000 6,414,000,000 6,510,000,000 6,670,000,000 6,626,000,000 6,515,000,000 7,022,000,000 7,188,000,000 7,184,000,000 7,578,000,000 7,779,000,000 7,965,000,000 7,672,000,000 7,952,000,000 8,152,000,000 8,726,000,000 8,261,000,000 8,136,000,000 8,475,000,000 7,955,000,000 7,344,000,000 7,297,500,000 6,276,100,000 7,497,700,000 6,602,900,000 3,127,000,000 3,164,000,000 2,953,000,000  2,920,000,000 3,381,000,000 3,363,000,000  
        inventories
      6,479,000,000 6,658,000,000 6,444,000,000 6,601,000,000 6,196,000,000 6,109,000,000 6,244,000,000 6,469,000,000 6,510,000,000 6,358,000,000 6,131,000,000 5,930,000,000 5,863,000,000 5,911,000,000 5,614,000,000 5,535,000,000 5,774,000,000 5,953,000,000 5,603,000,000 5,499,000,000 6,402,000,000 6,310,000,000 6,128,000,000 6,056,000,000 5,846,000,000 5,978,000,000 5,855,000,000 5,847,000,000 5,712,000,000 5,440,000,000 5,416,000,000 5,178,000,000 5,382,000,000 5,096,000,000 5,263,000,000 5,407,000,000 5,146,000,000 4,866,000,000 5,244,000,000 5,248,000,000 5,102,000,000 4,700,000,000 5,123,000,000 5,306,000,000 5,539,000,000 5,571,000,000 5,819,000,000 6,136,000,000 6,376,000,000 6,226,000,000 6,741,000,000 6,766,000,000 6,773,000,000 6,535,000,000 6,731,000,000 6,249,000,000 6,339,000,000 6,254,000,000 6,239,000,000 6,225,000,000 6,057,000,000 5,868,000,000 6,263,600,000 6,244,200,000 6,825,400,000  3,459,000,000 3,478,000,000 3,158,000,000 3,114,000,000 3,183,000,000 3,478,000,000 3,741,000,000 4,073,000,000 
        other current assets
      10,624,000,000 10,518,000,000 10,779,000,000 9,996,000,000 9,289,000,000 8,706,000,000 8,143,000,000 8,740,000,000 7,950,000,000 8,368,000,000 6,656,000,000 6,639,000,000 6,737,000,000 7,169,000,000 7,217,000,000 6,810,000,000 6,654,000,000 6,987,000,000 6,868,000,000 6,748,000,000 5,291,000,000 5,541,000,000 4,671,000,000 4,607,000,000 4,714,000,000 4,277,000,000 3,827,000,000 3,382,000,000 3,233,000,000 4,500,000,000 3,761,000,000 4,005,000,000 4,112,000,000 4,299,000,000 3,790,000,000 3,354,000,000 4,069,000,000 4,389,000,000 3,765,000,000 3,928,000,000 3,877,000,000 5,153,000,000                                 
        total current assets
      35,015,000,000 43,516,000,000 47,557,000,000 37,065,000,000 35,503,000,000 38,782,000,000 40,361,000,000 38,205,000,000 31,445,000,000 32,168,000,000 31,954,000,000 29,977,000,000 33,402,000,000 35,722,000,000 33,561,000,000 32,116,000,000 31,184,000,000 30,266,000,000 31,058,000,000 28,665,000,000 26,909,000,000 27,764,000,000 26,577,000,000 29,343,000,000 26,174,000,000 27,483,000,000 26,142,000,000 24,298,000,000 25,351,000,000 25,875,000,000 26,836,000,000 24,064,000,000 24,085,000,000 24,766,000,000 27,919,000,000 28,167,000,000 31,530,000,000 30,614,000,000 29,440,000,000 27,926,000,000 28,772,000,000 29,764,000,000 28,567,000,000 28,319,000,000 32,927,000,000 33,173,000,000 34,723,000,000 33,587,000,000 41,240,000,000 35,685,000,000 37,765,000,000 36,995,000,000 35,244,000,000 34,857,000,000 36,229,000,000 35,639,000,000 34,344,000,000 33,181,000,000 34,109,000,000 32,368,000,000 31,024,000,000 29,064,000,000 27,756,000,000 26,253,600,000 28,244,900,000 28,428,600,000 13,166,000,000 12,676,000,000 11,344,000,000 10,971,000,000 10,969,000,000 11,366,000,000 11,224,000,000 10,846,000,000 
        investments
      1,105,000,000 956,000,000 1,117,000,000 774,000,000 616,000,000 463,000,000 575,000,000 357,000,000 280,000,000 252,000,000 1,306,000,000 1,214,000,000 1,290,000,000 1,015,000,000 984,000,000 238,000,000 316,000,000 370,000,000 435,000,000 411,000,000 544,000,000 785,000,000 1,372,000,000 1,251,000,000 555,000,000 1,469,000,000 2,111,000,000 3,779,000,000 5,621,000,000 6,233,000,000 7,606,000,000 10,033,000,000 11,033,000,000 12,125,000,000 12,206,000,000 12,138,000,000 11,896,000,000 11,416,000,000 11,657,000,000 11,879,000,000 12,554,000,000 13,039,000,000 13,080,000,000 13,333,000,000 13,092,000,000 13,515,000,000 13,492,000,000 12,618,000,000 11,456,000,000 9,770,000,000 9,198,000,000 8,555,000,000 7,948,000,000 7,305,000,000 5,560,000,000 4,085,000,000 3,972,000,000 3,458,000,000 2,423,000,000 2,175,000,000 2,084,000,000 2,175,000,000 2,137,500,000 2,045,600,000 1,995,000,000 432,300,000         
        property, plant and equipment, at cost, net of accumulated depreciation of 22,288 in 2026 and 21,914 in 2025
      25,433,000,000                                                                          
        goodwill
      21,581,000,000 21,579,000,000 21,587,000,000 21,591,000,000 21,684,000,000 21,668,000,000 21,697,000,000 21,161,000,000 21,181,000,000 21,197,000,000 21,183,000,000 21,195,000,000 21,209,000,000 21,204,000,000 21,160,000,000 21,213,000,000 21,258,000,000 21,264,000,000 18,862,000,000 18,873,000,000 20,212,000,000 20,238,000,000 20,248,000,000 20,067,000,000 19,767,000,000 19,425,000,000 19,480,000,000 19,490,000,000 18,170,000,000 18,253,000,000 18,258,000,000 18,274,000,000 18,304,000,000 18,284,000,000 18,340,000,000 18,358,000,000 18,358,000,000 18,162,000,000 18,260,000,000 17,809,000,000 17,784,000,000 17,723,000,000 17,761,000,000 17,707,000,000 17,740,000,000 12,992,000,000 13,171,000,000 11,789,000,000 12,120,000,000 12,301,000,000 12,121,000,000 12,198,000,000 12,207,000,000 12,134,000,000 12,168,000,000 12,158,000,000 12,156,000,000 12,155,000,000 12,228,000,000 12,382,000,000 12,207,000,000 12,378,000,000 12,480,800,000 12,225,500,000 12,266,200,000 11,923,100,000 2,879,000,000 2,802,000,000 2,667,000,000 2,778,000,000 2,870,000,000 3,064,000,000 3,053,000,000 2,937,000,000 
        other intangibles
      25,745,000,000 26,681,000,000 15,313,000,000 15,193,000,000 15,758,000,000 16,370,000,000 17,010,000,000 16,984,000,000 17,572,000,000 18,011,000,000 19,199,000,000 19,665,000,000 19,857,000,000 20,269,000,000 21,368,000,000 22,497,000,000 23,022,000,000 22,933,000,000 13,384,000,000 13,622,000,000 14,401,000,000 14,604,000,000 16,677,000,000 16,566,000,000 16,096,000,000 14,196,000,000 12,307,000,000 13,381,000,000 10,999,000,000 11,431,000,000 12,175,000,000 12,898,000,000 13,500,000,000 14,183,000,000 15,138,000,000 16,119,000,000 16,863,000,000 17,305,000,000 20,506,000,000 20,315,000,000 21,364,000,000 22,602,000,000 23,724,000,000 24,750,000,000 26,080,000,000 20,386,000,000 20,395,000,000 18,830,000,000 20,517,000,000 23,801,000,000 25,002,000,000 26,333,000,000 28,108,000,000 29,083,000,000 30,325,000,000 31,620,000,000 33,000,000,000 34,302,000,000 35,822,000,000 37,065,000,000 37,906,000,000 39,456,000,000 42,954,400,000 43,281,400,000 45,574,900,000 47,655,800,000         
        other assets
      19,806,000,000 18,818,000,000 18,333,000,000 17,664,000,000 16,768,000,000 16,044,000,000 14,443,000,000 12,702,000,000 12,326,000,000 11,996,000,000 10,559,000,000 10,187,000,000 10,280,000,000 9,528,000,000 9,584,000,000 10,972,000,000 11,141,000,000 11,582,000,000 11,190,000,000 11,053,000,000 10,486,000,000 10,211,000,000 8,007,000,000 7,599,000,000 7,052,000,000 6,771,000,000 9,004,000,000 9,155,000,000 8,707,000,000 7,554,000,000 7,500,000,000 7,145,000,000 6,558,000,000 6,075,000,000 5,884,000,000 5,928,000,000 5,872,000,000 5,854,000,000 6,443,000,000 6,559,000,000 5,921,000,000 6,144,000,000 5,618,000,000 5,843,000,000 5,596,000,000 5,133,000,000 6,589,000,000 7,143,000,000 8,831,000,000 9,115,000,000 7,010,000,000 7,112,000,000 6,891,000,000 6,723,000,000 6,135,000,000 6,156,000,000 5,913,000,000 5,735,000,000 5,569,000,000 5,534,000,000 5,811,000,000 5,626,000,000 5,395,600,000 5,030,200,000 5,527,800,000 5,376,400,000 1,597,000,000 1,247,000,000 1,284,000,000 1,381,000,000 1,343,000,000 1,403,000,000 1,389,000,000 1,353,000,000 
        liabilities and equity
                                                                                
        current liabilities
                                                                                
        loans payable and current portion of long-term debt
      2,444,000,000 2,589,000,000 1,405,000,000 1,434,000,000 1,360,000,000 2,649,000,000 3,149,000,000 3,071,000,000 3,077,000,000 1,372,000,000 887,000,000 2,839,000,000 2,672,000,000 1,946,000,000 1,936,000,000 2,979,000,000 1,208,000,000 2,412,000,000 3,534,000,000 2,488,000,000 7,251,000,000 6,431,000,000 2,420,000,000 4,718,000,000 6,361,000,000 3,610,000,000 3,411,000,000 3,816,000,000 3,175,000,000 5,308,000,000 3,656,000,000 3,379,000,000 2,055,000,000 3,057,000,000 5,157,000,000 3,181,000,000 5,037,000,000 568,000,000 1,487,000,000 644,000,000 2,113,000,000 2,585,000,000 2,543,000,000 2,483,000,000 4,728,000,000 2,704,000,000 9,275,000,000 4,477,000,000 8,559,000,000 4,521,000,000 3,976,000,000 5,582,000,000 4,736,000,000 4,315,000,000 2,029,000,000 3,922,000,000 2,930,000,000 1,990,000,000 2,455,000,000 2,523,000,000 2,202,000,000 2,400,000,000 4,116,000,000 4,147,300,000 3,822,400,000 1,379,200,000         
        trade accounts payable
      3,863,000,000 4,404,000,000 4,147,000,000 3,892,000,000 3,784,000,000 4,079,000,000 3,586,000,000 3,519,000,000 3,514,000,000 3,922,000,000 3,509,000,000 3,442,000,000 3,680,000,000 4,264,000,000 3,371,000,000 3,482,000,000 3,715,000,000 4,609,000,000 3,366,000,000 3,897,000,000 4,034,000,000 4,594,000,000 3,744,000,000 3,448,000,000 3,572,000,000 3,738,000,000 3,198,000,000 3,142,000,000 3,018,000,000 3,318,000,000 3,091,000,000 3,024,000,000 3,162,000,000 3,102,000,000 2,620,000,000 2,934,000,000 2,484,000,000 2,807,000,000 2,481,000,000 2,514,000,000 2,241,000,000 2,533,000,000 2,023,000,000 2,335,000,000 2,091,000,000 2,625,000,000 2,279,000,000 2,326,000,000 2,434,000,000 2,274,000,000 2,469,000,000 2,253,000,000 2,084,000,000 1,753,000,000 1,804,000,000 1,674,000,000 2,358,000,000 2,462,000,000 2,282,000,000 2,143,000,000 2,402,000,000 2,308,000,000 2,242,400,000 2,171,500,000 2,074,900,000 2,236,900,000         
        accrued and other current liabilities
      14,549,000,000 14,468,000,000 16,186,000,000 14,502,000,000 12,772,000,000 15,694,000,000 16,539,000,000 14,712,000,000 14,102,000,000 15,766,000,000 14,840,000,000 13,747,000,000 13,000,000,000 14,159,000,000 14,222,000,000 13,501,000,000 14,051,000,000 13,859,000,000 14,214,000,000 12,888,000,000 11,911,000,000 13,053,000,000 11,690,000,000 11,182,000,000 10,932,000,000 12,549,000,000 11,768,000,000 11,054,000,000 10,081,000,000 10,151,000,000 9,776,000,000 9,755,000,000 9,709,000,000 10,427,000,000 9,992,000,000 9,363,000,000 8,658,000,000 10,274,000,000 9,087,000,000 9,255,000,000 10,043,000,000 11,216,000,000 9,610,000,000 9,517,000,000 9,867,000,000 10,523,000,000 9,808,000,000 8,829,000,000 8,707,000,000 9,501,000,000 9,183,000,000 8,872,000,000 9,569,000,000 9,737,000,000 8,923,000,000 8,917,000,000 8,823,000,000 9,731,000,000 9,228,000,000 8,747,000,000 8,555,000,000 8,514,000,000 8,159,500,000 6,834,400,000 8,439,000,000 9,453,800,000         
        income taxes payable
      3,946,000,000 4,726,000,000 4,848,000,000 4,156,000,000 5,181,000,000 3,914,000,000 4,330,000,000 2,777,000,000 2,398,000,000 2,649,000,000 1,981,000,000 1,489,000,000 1,872,000,000 1,986,000,000 1,698,000,000 1,438,000,000 1,571,000,000 1,224,000,000 954,000,000 971,000,000 1,490,000,000 1,575,000,000 984,000,000 1,266,000,000 1,033,000,000 736,000,000 873,000,000 634,000,000 807,000,000 1,971,000,000 759,000,000 661,000,000 717,000,000 708,000,000 396,000,000 1,979,000,000 2,330,000,000 2,239,000,000 1,208,000,000 1,213,000,000 1,864,000,000 1,560,000,000 2,119,000,000 1,878,000,000 2,450,000,000 1,606,000,000 2,467,000,000 192,000,000 595,000,000 251,000,000 1,298,000,000 409,000,000 1,075,000,000 1,200,000,000 1,512,000,000 1,091,000,000 1,190,000,000 781,000,000 1,462,000,000 1,174,000,000 1,326,000,000 1,243,000,000 1,629,700,000 879,400,000 723,000,000 1,285,200,000         
        dividends payable
      2,143,000,000 2,140,000,000 2,042,000,000 2,053,000,000 2,077,000,000 2,084,000,000 1,982,000,000 1,981,000,000 2,008,000,000 1,985,000,000 1,877,000,000 1,877,000,000 1,907,000,000 1,884,000,000 1,771,000,000 1,768,000,000 1,771,000,000 1,768,000,000 1,660,000,000 1,662,000,000 1,675,000,000 1,674,000,000 1,567,000,000 1,564,000,000 1,585,000,000 1,587,000,000 1,434,000,000 1,439,000,000 1,462,000,000 1,458,000,000 1,304,000,000 1,309,000,000 1,317,000,000 1,320,000,000 1,302,000,000 1,301,000,000 1,314,000,000 1,316,000,000 1,292,000,000 1,292,000,000 1,307,000,000 1,309,000,000 1,288,000,000 1,295,000,000 1,306,000,000 1,308,000,000 1,288,000,000 1,303,000,000 1,327,000,000 1,321,000,000 1,289,000,000 1,286,000,000 1,338,000,000 1,343,000,000 1,315,000,000 1,308,000,000 1,281,000,000 1,281,000,000 1,166,000,000 1,176,000,000 1,177,000,000 1,176,000,000 1,175,700,000 1,182,000,000 1,189,800,000 1,189,000,000         
        total current liabilities
      26,945,000,000 28,327,000,000 28,628,000,000 26,037,000,000 25,174,000,000 28,420,000,000 29,586,000,000 26,060,000,000 25,099,000,000 25,694,000,000 23,094,000,000 23,394,000,000 23,131,000,000 24,239,000,000 22,998,000,000 23,168,000,000 22,316,000,000 23,872,000,000 23,728,000,000 21,906,000,000 26,361,000,000 27,327,000,000 20,405,000,000 22,178,000,000 23,483,000,000 22,220,000,000 20,684,000,000 20,085,000,000 18,543,000,000 22,206,000,000 18,586,000,000 18,128,000,000 16,960,000,000 18,614,000,000 19,467,000,000 18,758,000,000 19,823,000,000 17,204,000,000 15,555,000,000 14,918,000,000 17,568,000,000 19,203,000,000 17,583,000,000 17,508,000,000 20,442,000,000 18,766,000,000 25,927,000,000 17,928,000,000 22,470,000,000 17,868,000,000 18,215,000,000 18,402,000,000 18,802,000,000 18,348,000,000 15,583,000,000 16,912,000,000 16,582,000,000 16,245,000,000 16,593,000,000 15,763,000,000 15,662,000,000 15,641,000,000 17,323,300,000 15,420,600,000 16,455,300,000 15,750,700,000 5,089,000,000 5,194,000,000 4,961,000,000 5,193,000,000 5,416,000,000 5,758,000,000 5,823,000,000 6,043,000,000 
        long-term debt
      46,673,000,000 46,750,000,000 39,969,000,000 33,968,000,000 33,484,000,000 34,462,000,000 34,982,000,000 34,717,000,000 31,142,000,000 33,683,000,000 33,972,000,000 34,072,000,000 28,074,000,000 28,745,000,000 28,482,000,000 28,684,000,000 30,586,000,000 30,690,000,000 22,907,000,000 24,033,000,000 24,002,000,000 25,360,000,000 26,321,000,000 26,156,000,000 21,637,000,000 22,736,000,000 22,677,000,000 22,771,000,000 22,721,000,000 19,806,000,000 19,936,000,000 19,959,000,000 21,501,000,000 21,353,000,000 21,838,000,000 21,706,000,000 23,437,000,000 24,274,000,000 23,656,000,000 23,642,000,000 23,656,000,000 23,929,000,000 24,124,000,000 24,069,000,000 25,506,000,000 18,699,000,000 18,566,000,000 18,590,000,000 19,589,000,000 20,539,000,000 22,647,000,000 22,526,000,000 16,089,000,000 16,254,000,000 17,571,000,000 15,057,000,000 15,228,000,000 15,525,000,000 15,692,000,000 15,783,000,000 15,644,000,000 15,482,000,000 14,031,900,000 13,835,300,000 15,281,100,000 16,074,900,000 8,033,000,000 7,908,000,000 7,685,000,000 7,931,000,000 8,166,000,000 9,015,000,000 9,349,000,000 9,019,000,000 
        deferred income taxes
      1,494,000,000 1,439,000,000 1,381,000,000 1,427,000,000 1,409,000,000 1,387,000,000 864,000,000 876,000,000 922,000,000 871,000,000 1,018,000,000 996,000,000 1,442,000,000 1,795,000,000 2,417,000,000 2,974,000,000 3,071,000,000 3,441,000,000 1,527,000,000 1,489,000,000 1,204,000,000 1,015,000,000 1,777,000,000 2,091,000,000 1,943,000,000 1,470,000,000 1,960,000,000 2,089,000,000 1,835,000,000 1,702,000,000 2,065,000,000 2,159,000,000 2,206,000,000 2,219,000,000 4,159,000,000 4,560,000,000 4,889,000,000 5,077,000,000 6,374,000,000 6,091,000,000 6,256,000,000 6,535,000,000 5,959,000,000 6,454,000,000 6,803,000,000 4,266,000,000 4,987,000,000 4,651,000,000 5,881,000,000 6,776,000,000                 578,000,000 515,000,000 485,000,000 435,000,000 509,000,000 518,000,000 442,000,000 349,000,000 
        other noncurrent liabilities
      7,642,000,000 7,688,000,000 7,661,000,000 7,031,000,000 6,655,000,000 6,465,000,000 7,540,000,000 7,329,000,000 8,262,000,000 8,792,000,000 7,343,000,000 7,265,000,000 8,244,000,000 8,323,000,000 8,660,000,000 8,951,000,000 9,742,000,000 9,434,000,000 9,469,000,000 9,872,000,000 12,241,000,000 12,482,000,000 12,027,000,000 12,446,000,000 11,550,000,000 11,970,000,000 11,085,000,000 11,283,000,000 11,585,000,000 12,041,000,000 11,887,000,000 12,028,000,000 11,473,000,000 11,117,000,000 7,713,000,000 8,068,000,000 8,324,000,000 8,514,000,000 8,793,000,000 8,378,000,000 7,374,000,000 7,345,000,000 7,887,000,000 7,913,000,000 7,677,000,000 7,813,000,000 6,968,000,000 8,175,000,000 7,956,000,000 8,136,000,000                         
        merck & co., inc. stockholders’ equity
                                                                                
        common stock
      1,788,000,000 1,788,000,000 1,788,000,000 1,788,000,000 1,788,000,000 1,788,000,000 1,788,000,000 1,788,000,000 1,788,000,000 1,788,000,000 1,788,000,000 1,788,000,000 1,788,000,000 1,788,000,000 1,788,000,000 1,788,000,000 1,788,000,000 1,788,000,000 1,788,000,000 1,788,000,000 1,788,000,000 1,788,000,000 1,788,000,000 1,788,000,000 1,788,000,000 1,788,000,000 1,788,000,000 1,788,000,000 1,788,000,000 1,788,000,000 1,788,000,000 1,788,000,000 1,788,000,000 1,788,000,000 1,788,000,000 1,788,000,000 1,788,000,000 1,788,000,000 1,788,000,000 1,788,000,000 1,788,000,000 1,788,000,000 1,788,000,000 1,788,000,000 1,788,000,000 1,788,000,000 1,788,000,000 1,788,000,000 1,788,000,000 1,788,000,000 1,788,000,000 1,788,000,000 1,788,000,000       1,788,000,000 1,788,000,000              
        other paid-in capital
      45,176,000,000 45,029,000,000 44,832,000,000 44,644,000,000 44,816,000,000 44,704,000,000 44,530,000,000 44,362,000,000 44,598,000,000 44,509,000,000 44,358,000,000 44,219,000,000 44,467,000,000 44,379,000,000 44,243,000,000 44,115,000,000 44,275,000,000 44,238,000,000 44,149,000,000 44,039,000,000 39,613,000,000 39,588,000,000 39,489,000,000 39,373,000,000 39,697,000,000 39,660,000,000 39,561,000,000 39,484,000,000 38,768,000,000 38,808,000,000 39,762,000,000 39,741,000,000 39,874,000,000 39,902,000,000 39,823,000,000 39,776,000,000 39,899,000,000 39,939,000,000 39,897,000,000 39,911,000,000 40,145,000,000 40,222,000,000 40,139,000,000 40,114,000,000 40,355,000,000 40,423,000,000 40,340,000,000 40,199,000,000 40,450,000,000 40,508,000,000 39,909,000,000 39,891,000,000 40,727,000,000 40,646,000,000 40,471,000,000 40,550,000,000 40,652,000,000 40,663,000,000 40,717,000,000 40,657,000,000 40,690,000,000 40,701,000,000 40,556,700,000 40,337,700,000 40,196,600,000 39,682,600,000         
        retained earnings
      66,721,000,000 73,075,000,000 72,231,000,000 68,477,000,000 66,097,000,000 63,069,000,000 61,384,000,000 60,187,000,000 56,697,000,000 53,895,000,000 57,082,000,000 54,198,000,000 62,039,000,000 61,081,000,000 59,928,000,000 58,437,000,000 56,252,000,000 53,696,000,000 51,691,000,000 48,777,000,000 48,888,000,000 47,362,000,000 51,107,000,000 49,724,000,000 48,272,000,000 46,602,000,000 45,804,000,000 45,295,000,000 44,065,000,000 42,579,000,000 42,189,000,000 41,523,000,000 41,107,000,000 41,350,000,000 43,701,000,000 45,046,000,000 44,387,000,000 44,133,000,000 46,028,000,000 45,121,000,000 45,192,000,000 45,348,000,000 45,660,000,000 45,103,000,000 45,692,000,000 46,021,000,000 39,989,000,000 40,366,000,000 39,661,000,000 39,257,000,000 39,773,000,000 39,915,000,000 40,272,000,000 39,985,000,000 40,390,000,000 39,950,000,000 39,441,000,000 38,990,000,000 38,763,000,000 38,243,000,000 37,400,000,000 37,536,000,000 39,245,400,000 40,081,800,000 40,511,400,000 41,404,900,000 10,737,000,000 10,368,000,000 9,842,000,000 9,181,000,000 8,738,000,000 8,293,000,000 8,001,000,000 7,856,000,000 
        accumulated other comprehensive loss
      -4,060,000,000 -4,287,000,000 -5,202,000,000 -5,421,000,000 -4,965,000,000 -4,945,000,000 -5,371,000,000 -5,361,000,000 -5,274,000,000 -5,161,000,000 -4,916,000,000 -4,900,000,000 -4,883,000,000 -4,768,000,000 -4,743,000,000 -4,327,000,000 -4,369,000,000 -4,429,000,000 -4,590,000,000 -4,628,000,000 -6,622,000,000 -6,634,000,000 -6,383,000,000 -6,393,000,000 -6,391,000,000 -6,193,000,000 -5,390,000,000 -5,362,000,000 -5,346,000,000 -5,545,000,000 -5,151,000,000 -5,122,000,000 -5,060,000,000 -4,910,000,000 -4,945,000,000 -5,094,000,000 -5,080,000,000 -5,226,000,000 -4,252,000,000 -4,086,000,000 -4,194,000,000 -4,148,000,000 -4,573,000,000 -4,332,000,000 -4,167,000,000 -4,323,000,000 -2,998,000,000 -2,444,000,000 -2,179,000,000 -2,197,000,000 -4,698,000,000 -4,760,000,000 -4,629,000,000 -4,682,000,000 -3,040,000,000 -3,126,000,000 -3,217,000,000 -3,132,000,000 -2,713,000,000 -2,776,000,000 -3,170,000,000 -3,216,000,000 -3,490,000,000 -4,658,700,000 -3,571,600,000 -2,766,500,000 -1,360,000,000 -1,710,000,000 -2,352,000,000 -1,913,000,000 -831,000,000 -89,000,000 -93,000,000 -534,000,000 
        less treasury stock, at cost:1,107,410,143 shares in 2026 and 1,102,476,756 shares in 2025
      63,747,000,000                                                                          
        total merck & co., inc. stockholders’ equity
      45,878,000,000 52,606,000,000 51,850,000,000 48,993,000,000 48,335,000,000 46,313,000,000 44,502,000,000 43,582,000,000 40,364,000,000 37,581,000,000 41,246,000,000 38,693,000,000 46,834,000,000 45,991,000,000 44,458,000,000 43,243,000,000 40,883,000,000 38,184,000,000 35,794,000,000 33,294,000,000 26,945,000,000 25,317,000,000 29,186,000,000 27,642,000,000 26,205,000,000 25,907,000,000 26,838,000,000 27,635,000,000 27,539,000,000 26,701,000,000 32,422,000,000 32,529,000,000 33,668,000,000 34,336,000,000 38,248,000,000 39,463,000,000 39,837,000,000 40,088,000,000 43,744,000,000 43,357,000,000 43,806,000,000 44,676,000,000 45,587,000,000 46,448,000,000 47,765,000,000 48,647,000,000 45,224,000,000 48,358,000,000 49,975,000,000 49,765,000,000 47,419,000,000 47,500,000,000 53,029,000,000 53,020,000,000 55,747,000,000 55,194,000,000 54,860,000,000 54,517,000,000 55,140,000,000 55,496,000,000 54,384,000,000 54,376,000,000 55,592,800,000 55,231,700,000 57,878,100,000 59,058,000,000         
        noncontrolling interests
      53,000,000 56,000,000 57,000,000 67,000,000 65,000,000 59,000,000 58,000,000 66,000,000 60,000,000 54,000,000 54,000,000 49,000,000 71,000,000 67,000,000 66,000,000 75,000,000 70,000,000 73,000,000 69,000,000 94,000,000 94,000,000 87,000,000 84,000,000 102,000,000 95,000,000 94,000,000 87,000,000 102,000,000 131,000,000 181,000,000 234,000,000 237,000,000 233,000,000 233,000,000 251,000,000 249,000,000 251,000,000 220,000,000 213,000,000 89,000,000 95,000,000 91,000,000 92,000,000 190,000,000 152,000,000 144,000,000 136,000,000 158,000,000 2,589,000,000 2,561,000,000 2,587,000,000 2,605,000,000 2,577,000,000 2,443,000,000 2,465,000,000 2,479,000,000 2,454,000,000 2,426,000,000 2,456,000,000 2,426,000,000 2,455,000,000 2,429,000,000 2,455,500,000 2,434,000,000 2,465,100,000 2,434,600,000         
        total equity
      45,931,000,000 52,662,000,000 51,907,000,000 49,060,000,000 48,400,000,000 46,372,000,000 44,560,000,000 43,648,000,000 40,424,000,000 37,635,000,000 41,300,000,000 38,742,000,000 46,905,000,000 46,058,000,000 44,524,000,000 43,318,000,000 40,953,000,000 38,257,000,000 35,863,000,000 33,388,000,000 27,039,000,000 25,404,000,000 29,270,000,000 27,744,000,000 26,300,000,000 26,001,000,000 26,925,000,000 27,737,000,000 27,670,000,000 26,882,000,000 32,656,000,000 32,766,000,000 33,901,000,000 34,569,000,000 38,499,000,000 39,712,000,000 40,088,000,000 40,308,000,000 43,957,000,000 43,446,000,000 43,901,000,000 44,767,000,000 45,679,000,000 46,638,000,000 47,917,000,000 48,791,000,000 45,360,000,000 48,516,000,000 52,564,000,000 52,326,000,000 50,006,000,000 50,105,000,000 55,606,000,000 55,463,000,000 58,212,000,000 57,673,000,000 57,314,000,000 56,943,000,000 57,596,000,000 57,922,000,000 56,839,000,000 56,805,000,000 58,048,300,000 57,665,700,000 60,343,200,000 61,492,600,000         
        property, plant and equipment
                                                                        11,012,000,000 10,785,000,000 10,244,000,000  10,554,000,000 10,918,000,000 10,792,000,000  
        land
       321,000,000    307,000,000    326,000,000    295,000,000    326,000,000    350,000,000    343,000,000    333,000,000    365,000,000    412,000,000    490,000,000    541,000,000    550,000,000    591,000,000    623,000,000    658,000,000    666,700,000    377,000,000    326,000,000 
        buildings
       17,983,000,000    16,360,000,000    14,966,000,000    13,166,000,000    12,529,000,000    12,645,000,000    11,989,000,000    11,486,000,000    11,726,000,000    11,439,000,000    12,154,000,000    13,101,000,000    13,627,000,000    13,196,000,000    12,733,000,000    11,945,000,000    12,210,300,000         
        machinery, equipment and office furnishings
       19,760,000,000    18,283,000,000    17,763,000,000    16,760,000,000    16,303,000,000    16,649,000,000    15,394,000,000    14,441,000,000    14,649,000,000    14,053,000,000    14,261,000,000    16,050,000,000    17,106,000,000    17,188,000,000    16,919,000,000    15,894,000,000    16,173,600,000         
        construction in progress
       9,166,000,000    7,984,000,000    8,262,000,000    9,186,000,000    8,313,000,000    7,324,000,000    5,013,000,000    3,355,000,000    2,301,000,000    1,871,000,000    1,525,000,000    1,448,000,000    1,811,000,000    2,440,000,000    2,198,000,000    2,066,000,000    1,817,500,000    1,008,000,000    891,000,000 
        less: accumulated depreciation
       21,914,000,000    19,155,000,000    18,266,000,000    17,985,000,000    18,192,000,000    18,982,000,000    17,686,000,000    16,324,000,000    16,602,000,000    15,749,000,000    15,923,000,000    18,004,000,000    18,121,000,000    17,385,000,000    16,176,000,000                 
        less treasury stock, at cost: 1,102,476,756 shares in 2025 and 1,049,466,187 shares in 2024
       62,999,000,000                                                                         
        property, plant and equipment, at cost, net of accumulated depreciation of 20,605 in 2025 and 19,155 in 2024
        25,639,000,000                                                                        
        less treasury stock, at cost:1,089,754,712 shares in 2025 and 1,049,466,187 shares in 2024
        61,799,000,000                                                                        
        property, plant and equipment, at cost, net of accumulated depreciation of 20,256 in 2025 and 19,155 in 2024
         25,236,000,000                                                                       
        less treasury stock, at cost:1,073,963,194 shares in 2025 and 1,049,466,187 shares in 2024
         60,495,000,000                                                                       
        property, plant and equipment, at cost, net of accumulated depreciation of 19,680 in 2025 and 19,155 in 2024
          24,793,000,000                                                                      
        less treasury stock, at cost:1,061,021,894 shares in 2025 and 1,049,466,187 shares in 2024
          59,401,000,000                                                                      
        less treasury stock, at cost: 1,049,466,187 shares in 2024 and 1,045,470,249 shares in 2023
           58,303,000,000                                                                     
        property, plant and equipment, at cost, net of accumulated depreciation of 19,072 in 2024 and 18,266 in 2023
            23,446,000,000                                                                    
        less treasury stock, at cost:1,045,073,377 shares in 2024 and 1,045,470,249 shares in 2023
            57,829,000,000                                                                    
        property, plant and equipment, at cost, net of accumulated depreciation of 18,960 in 2024 and 18,266 in 2023
             23,221,000,000                                                                   
        less treasury stock, at cost:1,041,454,052 shares in 2024 and 1,045,470,249 shares in 2023
             57,394,000,000                                                                   
        property, plant and equipment, at cost, net of accumulated depreciation of 18,620 in 2024 and 18,266 in 2023
              23,045,000,000                                                                  
        less treasury stock, at cost:1,044,402,655 shares in 2024 and 1,045,470,249 shares in 2023
              57,445,000,000                                                                  
        less treasury stock, at cost: 1,045,470,249 shares in 2023 and 1,039,269,638 shares in 2022
               57,450,000,000                                                                 
        property, plant and equipment, at cost, net of accumulated depreciation of 18,446 in 2023 and 17,985 in 2022
                22,526,000,000                                                                
        less treasury stock, at cost:1,041,809,729 shares in 2023 and 1,039,269,638 shares in 2022
                57,066,000,000                                                                
        property, plant and equipment, at cost, net of accumulated depreciation of 18,432 in 2023 and 17,985 in 2022
                 22,231,000,000                                                               
        less treasury stock, at cost:1,037,678,033 shares in 2023 and 1,039,269,638 shares in 2022
                 56,612,000,000                                                               
        property, plant and equipment, at cost, net of accumulated depreciation of 18,256 in 2023 and 17,985 in 2022
                  21,758,000,000                                                              
        less treasury stock, at cost:1,039,651,210 shares in 2023 and 1,039,269,638 shares in 2022
                  56,577,000,000                                                              
        less treasury stock, at cost: 1,039,269,638 shares in 2022 and 1,049,499,023 shares in 2021
                   56,489,000,000                                                             
        property, plant and equipment, at cost, net of accumulated depreciation of 17,921in 2022 and 18,192 in 2021
                    20,424,000,000                                                            
        less treasury stock, at cost:1,043,697,097 shares in 2022 and 1,049,499,023 shares in 2021
                    56,758,000,000                                                            
        property, plant and equipment, at cost, net of accumulated depreciation of 17,798in 2022 and 18,192 in 2021
                     20,059,000,000                                                           
        less treasury stock, at cost:1,043,894,068 shares in 2022 and 1,049,499,023 shares in 2021
                     56,770,000,000                                                           
        property, plant and equipment, at cost, net of accumulated depreciation of 18,498in 2022 and 18,192 in 2021
                      19,747,000,000                                                          
        less treasury stock, at cost:1,048,727,225 shares in 2022 and 1,049,499,023 shares in 2021
                      57,063,000,000                                                          
        current assets of discontinued operations
                                                                                
        noncurrent assets of discontinued operations
                                                                                
        current liabilities of discontinued operations
                                                                                
        noncurrent liabilities of discontinued operations
                                                                                
        less treasury stock, at cost: 1,049,499,023 shares in 2021 and 1,046,877,695 shares in 2020
                       57,109,000,000                                                         
        property, plant and equipment, at cost, net of accumulated depreciation of 18,155in 2021 and 18,162 in 2020
                        18,565,000,000                                                        
        less treasury stock, at cost:1,051,780,149 shares in 2021 and 1,046,877,695 shares in 2020
                        57,244,000,000                                                        
        property, plant and equipment, at cost, net of accumulated depreciation of 18,236in 2021 and 18,162 in 2020
                         18,064,000,000                                                       
        less treasury stock, at cost:1,044,351,147 shares in 2021 and 1,046,877,695 shares in 2020
                         56,682,000,000                                                       
        property, plant and equipment, at cost, net of accumulated depreciation of 18,732in 2021 and 18,982 in 2020
                          18,295,000,000                                                      
        less treasury stock, at cost:1,045,799,775 shares in 2021 and 1,046,877,695 shares in 2020
                          56,722,000,000                                                      
        less treasury stock, at cost:1,046,877,695 shares in 2020 and 1,038,087,496 shares in 2019
                           56,787,000,000                                                     
        property, plant and equipment, at cost, net of accumulated depreciation of 18,572in 2020 and 17,686 in 2019
                            16,919,000,000                                                    
        less treasury stock, at cost:1,047,343,390 shares in 2020 and 1,038,087,496 shares in 2019
                            56,815,000,000                                                    
        property, plant and equipment, at cost, net of accumulated depreciation of 18,182in 2020 and 17,686 in 2019
                             15,789,000,000                                                   
        less treasury stock, at cost:1,047,935,095 shares in 2020 and 1,038,087,496 shares in 2019
                             56,850,000,000                                                   
        property, plant and equipment, at cost, net of accumulated depreciation of 17,706in 2020 and 17,686 in 2019
                              15,269,000,000                                                  
        less treasury stock, at cost:1,053,090,194 shares in 2020 and 1,038,087,496 shares in 2019
                              57,161,000,000                                                  
        less treasury stock, at cost:1,038,087,496 shares in 2019 and 984,543,979 shares in 2018
                               55,950,000,000                                                 
        property, plant and equipment, at cost, net of accumulated depreciation of 17,281in 2019 and 16,324 in 2018
                                14,287,000,000                                                
        less treasury stock, at cost:1,026,214,892 shares in 2019 and 984,543,979 shares in 2018
                                54,925,000,000                                                
        property, plant and equipment, at cost, net of accumulated depreciation of 17,049in 2019 and 16,324 in 2018
                                 13,862,000,000                                               
        less treasury stock, at cost:1,010,308,500 shares in 2019 and 984,543,979 shares in 2018
                                 53,570,000,000                                               
        property, plant and equipment, at cost, net of accumulated depreciation of 16,623in 2019 and 16,324 in 2018
                                  13,506,000,000                                              
        less treasury stock, at cost:994,032,308 shares in 2019 and 984,543,979 shares in 2018
                                  51,736,000,000                                              
        less treasury stock, at cost:984,543,979 shares in 2018 and 880,491,914 shares in 2017
                                   50,929,000,000                                             
        property, plant and equipment, at cost, net of accumulated depreciation of 16,568in 2018 and 16,602 in 2017
                                    12,755,000,000                                            
        less treasury stock, at cost:918,364,126 shares in 2018 and 880,491,914 shares in 2017
                                    46,166,000,000                                            
        property, plant and equipment, at cost, net of accumulated depreciation of 16,567in 2018 and 16,602 in 2017
                                     12,626,000,000                                           
        less treasury stock, at cost:907,061,576 shares in 2018 and 880,491,914 shares in 2017
                                     45,401,000,000                                           
        property, plant and equipment, at cost, net of accumulated depreciation of 16,483in 2018 and 16,602 in 2017
                                      12,561,000,000                                          
        less treasury stock, at cost:884,622,139 shares in 2018 and 880,491,914 shares in 2017
                                      44,041,000,000                                          
        less treasury stock, at cost:880,491,914 shares in 2017 and 828,372,200 shares in 2016
                                       43,794,000,000                                         
        property, plant and equipment, at cost, net of accumulated depreciation of 16,661in 2017 and 15,749 in 2016
                                        12,189,000,000                                        
        less treasury stock, at cost:850,698,697 shares in 2017 and 828,372,200 shares in 2016
                                        42,119,000,000                                        
        property, plant and equipment, at cost, net of accumulated depreciation of 16,375in 2017 and 15,749 in 2016
                                         12,094,000,000                                       
        less treasury stock, at cost:849,974,743 shares in 2017 and 828,372,200 shares in 2016
                                         42,053,000,000                                       
        property, plant and equipment, at cost, net of accumulated depreciation of 16,171in 2017 and 15,749 in 2016
                                          12,042,000,000                                      
        less treasury stock, at cost:836,667,641 shares in 2017 and 828,372,200 shares in 2016
                                          41,157,000,000                                      
        less treasury stock, at cost:828,372,200 shares in 2016 and 795,975,449 shares in 2015
                                           40,546,000,000                                     
        property, plant and equipment, at cost, net of accumulated depreciation of 16,022in 2016 and 15,923 in 2015
                                            12,029,000,000                                    
        less treasury stock, at cost:815,442,334 shares in 2016 and 795,975,449 shares in 2015
                                            39,717,000,000                                    
        property, plant and equipment, at cost, net of accumulated depreciation of 16,005in 2016 and 15,923 in 2015
                                             11,987,000,000                                   
        less treasury stock, at cost:811,476,036 shares in 2016 and 795,975,449 shares in 2015
                                             39,377,000,000                                   
        property, plant and equipment, at cost, net of accumulated depreciation of 16,052in 2016 and 15,923 in 2015
                                              12,360,000,000                                  
        less treasury stock, at cost:807,550,812 shares in 2016 and 795,975,449 shares in 2015
                                              39,125,000,000                                  
        less treasury stock, at cost:795,975,449 shares in 2015 and 738,963,326 shares in 2014
                                               38,534,000,000                                 
        deferred income taxes and other current assets
                                                4,941,000,000 5,133,000,000 5,117,000,000 5,257,000,000 4,740,000,000 3,659,000,000 3,939,000,000 4,789,000,000 5,277,000,000 4,352,000,000 4,484,000,000 4,509,000,000 3,429,000,000 3,788,000,000 3,713,000,000 3,694,000,000 4,158,000,000 3,687,000,000 3,983,000,000 3,651,000,000 3,570,100,000 3,790,700,000 4,144,500,000 4,165,900,000         
        property, plant and equipment, at cost, net of accumulated depreciation of 16,043in 2015 and 18,004 in 2014
                                                12,482,000,000                                
        less treasury stock, at cost:774,869,058 shares in 2015 and 738,963,326 shares in 2014
                                                37,427,000,000                                
        property, plant and equipment, at cost, net of accumulated depreciation of 16,306in 2015 and 18,004 in 2014
                                                 12,630,000,000                               
        less treasury stock, at cost:753,147,765 shares in 2015 and 738,963,326 shares in 2014
                                                 36,225,000,000                               
        property, plant and equipment, at cost, net of accumulated depreciation of 16,794in 2015 and 18,004 in 2014
                                                  12,910,000,000                              
        less treasury stock, at cost:748,715,051 shares in 2015 and 738,963,326 shares in 2014
                                                  35,903,000,000                              
        less treasury stock, at cost:738,963,326 shares in 2014 and 649,576,808 shares in 2013
                                                   35,262,000,000                             
        assets held for sale
                                                    3,302,000,000 3,375,000,000 3,224,000,000                          
        property, plant and equipment, at cost, net of accumulated depreciation of 18,761in 2014 and 18,121 in 2013
                                                    13,438,000,000                            
        liabilities held for sale
                                                    810,000,000 801,000,000 848,000,000                          
        less treasury stock, at cost:716,260,636 shares in 2014 and 649,576,808 shares in 2013
                                                    33,895,000,000                            
        property, plant and equipment, at cost, net of accumulated depreciation of 18,866in 2014 and 18,121 in 2013
                                                     13,893,000,000                           
        less treasury stock, at cost:677,393,158 shares in 2014 and 649,576,808 shares in 2013
                                                     31,551,000,000                           
        property, plant and equipment, at cost, net of accumulated depreciation of 18,622in 2014 and 18,121 in 2013
                                                      14,296,000,000                          
        less treasury stock, at cost:647,565,088 shares in 2014 and 649,576,808 shares in 2013
                                                      29,745,000,000                          
        less treasury stock, at cost:649,576,808 shares in 2013 and 550,468,221 shares in 2012
                                                       29,591,000,000                         
        property, plant and equipment, at cost, net of accumulated depreciation of 17,805in 2013 and 17,385 in 2012
                                                        15,323,000,000                        
        deferred income taxes and noncurrent liabilities
                                                        15,551,000,000 15,843,000,000 15,703,000,000 16,067,000,000 14,935,000,000 15,883,000,000 16,385,000,000 16,415,000,000 16,653,000,000 16,727,000,000 17,720,000,000 17,853,000,000 18,436,600,000 19,248,900,000 19,514,200,000 18,771,500,000         
        less treasury stock, at cost:650,490,309 shares in 2013 and 550,468,221 shares in 2012
                                                        29,353,000,000                        
        property, plant and equipment, at cost, net of accumulated depreciation of 17,594in 2013 and 17,385 in 2012
                                                         15,683,000,000                       
        less treasury stock, at cost:650,630,672 shares in 2013 and 550,468,221 shares in 2012
                                                         29,334,000,000                       
        property, plant and equipment, at cost, net of accumulated depreciation of 17,622 in 2013 and 17,385 in 2012
                                                          15,802,000,000                      
        less treasury stock, at cost: 559,727,953 shares in 2013 and 550,468,221 shares in 2012
                                                          25,129,000,000                      
        issued — 3,577,103,522 shares in 2012 and 2011
                                                           1,788,000,000                     
        less treasury stock, at cost:
                                                                                
        550,468,221 shares in 2012;
                                                                                
        536,109,713 shares in 2011
                                                           24,717,000,000                     
        property, plant and equipment, at cost, net of accumulated depreciation of 17,475 in 2012 and 16,176 in 2011
                                                            15,884,000,000                    
        authorized - 6,500,000,000 shares
                                                                                
        issued - 3,577,103,522 shares in 2012 and 2011
                                                            1,788,000,000 1,788,000,000                   
        532,699,267 shares in 2012 and 536,109,713 shares in 2011
                                                            23,862,000,000                    
        property, plant and equipment, at cost, net of accumulated depreciation of 17,049 in 2012 and 16,176 in 2011
                                                             15,867,000,000                   
        538,194,526 shares in 2012 and 536,109,713 shares in 2011
                                                             23,968,000,000                   
        property, plant and equipment, at cost, net of accumulated depreciation of 16,697 in 2012 and 16,176 in 2011
                                                              16,124,000,000                  
        issued - 3,576,948,356 shares in 2012 and 2011
                                                              1,788,000,000                  
        534,964,050 shares in 2012 and 536,109,713 shares in 2011
                                                              23,804,000,000                  
        issued — 3,576,948,356 shares in 2011 and 2010
                                                               1,788,000,000                 
        536,109,713 shares in 2011;
                                                                                
        494,841,533 shares in 2010
                                                               23,792,000,000                 
        property, plant and equipment, at cost, net of accumulated depreciation of 15,674 in 2011 and 13,481 in 2010
                                                                16,383,000,000                
        issued - 3,576,948,356 shares in 2011 and 2010
                                                                1,788,000,000                
        less treasury stock, at cost 525,000,622 shares in 2011 and 494,841,533 shares in 2010
                                                                23,415,000,000                
        property, plant and equipment, at cost, net of accumulated depreciation of 15,195 in 2011 and 13,481 in 2010
                                                                 16,671,000,000               
        less treasury stock, at cost 493,935,906 shares in 2011 and 494,841,533 shares in 2010
                                                                 22,416,000,000               
        property, plant and equipment, at cost, net of depreciation of 14,515 in 2011 and 13,481 in 2010
                                                                  16,833,000,000              
        less treasury stock, at cost 491,657,062 shares in 2011 and 494,841,533 shares in 2010
                                                                  22,324,000,000              
        less allowance for depreciation
                                                                   13,481,000,000    12,594,600,000         
        6% mandatory convertible preferred stock, 1 par value
                                                                                
        authorized — 11,500,000 shares; issued and outstanding — 855,422 shares — 2009
                                                                                
        authorized — 6,500,000,000 shares
                                                                                
        issued — 3,576,948,356 shares — 2010; 3,562,528,536 — 2009
                                                                   1,788,000,000             
        494,841,533 shares — 2010;
                                                                                
        454,305,985 shares — 2009
                                                                   22,433,000,000             
        property, plant and equipment, at cost, net of allowance for depreciation of 13,349.6 in 2010 and 12,594.7 in 2009
                                                                    17,115,800,000            
        authorized - 11,500,000 shares
                                                                                
        issued and outstanding - 855,422 shares in 2009
                                                                                
        issued - 3,576,948,356 shares in 2010; 3,562,528,536 shares in 2009
                                                                    1,788,500,000            
        less treasury stock, at cost
                                                                                
        497,029,750 shares in 2010 and 454,305,985 shares in 2009
                                                                    22,507,800,000            
        property, plant and equipment, at cost, net of allowance for depreciation of 12,819.8 in 2010 and 12,594.7 in 2009
                                                                     17,334,200,000           
        issued and outstanding - 853,158 shares in 2010 and 855,422 shares in 2009
                                                                     206,000,000           
        issued - 3,572,963,192 shares in 2010; 3,562,528,536 shares in 2009
                                                                     1,786,500,000           
        491,662,773 shares in 2010 and 454,305,985 shares in 2009
                                                                     22,315,600,000           
        property, plant and equipment, at cost, net of allowance for depreciation of 12,220.3 in 2010 and 12,594.7 in 2009
                                                                      17,985,000,000          
        issued and outstanding - 853,896 shares in 2010 and 855,422 shares in 2009
                                                                      206,200,000          
        issued - 3,571,947,847 shares in 2010; 3,562,528,536 shares in 2009
                                                                      1,786,000,000          
        454,305,985 shares in 2010 and 2009
                                                                      21,044,300,000          
        inventories (excludes inventories of 1,157.2 in 2009 and 587.3 in
                                                                                
        2008 classified in other assets — see note 8)
                                                                       8,055,300,000         
        authorized — 11,500,000 shares; issued and outstanding — 855,422 shares
                                                                       206,600,000         
        authorized — 6,500,000,000 shares — 2009; 5,400,000,000 shares — 2008
                                                                                
        issued — 3,562,528,536 shares — 2009; 2,983,508,675 — 2008
                                                                       1,781,300,000         
        454,305,985 shares — 2009;
                                                                                
        875,818,333 shares — 2008
                                                                       21,044,300,000         
        current assets:
                                                                                
        prepaid expenses and other current assets
                                                                        1,203,000,000 1,119,000,000 1,195,000,000 1,228,000,000 1,192,000,000 1,262,000,000 1,217,000,000 1,272,000,000 
        less accumulated depreciation
                                                                        4,088,000,000 3,912,000,000 3,582,000,000 3,607,000,000 3,661,000,000 3,728,000,000 3,609,000,000 3,338,000,000 
        property
                                                                        6,924,000,000 6,873,000,000 6,662,000,000 6,833,000,000 6,893,000,000 7,190,000,000 7,183,000,000 7,016,000,000 
        other intangible assets
                                                                        5,981,000,000 5,947,000,000 5,761,000,000 6,154,000,000 6,416,000,000 7,098,000,000 7,271,000,000 7,004,000,000 
        total assets
                                                                        30,547,000,000 29,545,000,000 27,718,000,000 28,117,000,000 28,491,000,000 30,121,000,000 30,120,000,000 29,156,000,000 
        liabilities and shareholders’ equity
                                                                                
        current liabilities:
                                                                                
        accounts payable
                                                                        1,709,000,000 1,755,000,000 1,670,000,000 1,677,000,000 1,723,000,000 1,787,000,000 1,912,000,000 1,762,000,000 
        short-term borrowings and current portion of long-term debt
                                                                        185,000,000 261,000,000 204,000,000 245,000,000 237,000,000 456,000,000 487,000,000 461,000,000 
        income taxes
                                                                        232,000,000 202,000,000 162,000,000 183,000,000 463,000,000 464,000,000 455,000,000 617,000,000 
        accrued compensation
                                                                        967,000,000 828,000,000 838,000,000 1,010,000,000 1,004,000,000 799,000,000 804,000,000 995,000,000 
        other accrued liabilities
                                                                        1,996,000,000 2,148,000,000 2,087,000,000 2,078,000,000 1,989,000,000 2,252,000,000 2,165,000,000 2,208,000,000 
        long-term liabilities:
                                                                                
        other long-term liabilities
                                                                        3,002,000,000 2,910,000,000 2,795,000,000 2,913,000,000 2,157,000,000 2,201,000,000 2,106,000,000 2,008,000,000 
        total long-term liabilities
                                                                        12,558,000,000 12,316,000,000 11,922,000,000 12,395,000,000 11,956,000,000 13,009,000,000 13,264,000,000 12,728,000,000 
        commitments and contingent liabilities
                                                                                
        shareholders’ equity:
                                                                                
        2007 mandatory convertible preferred shares — 1 par value; 250 per share face value; issued: 10 at september 30, 2009 and december 31, 2008
                                                                        2,500,000,000        
        common shares — authorized: 2,400, .50 par value; issued: 2,132 at september 30, 2009 and 2,118 at december 31, 2008
                                                                        1,066,000,000        
        paid-in capital
                                                                        5,340,000,000 5,196,000,000 5,128,000,000 5,045,000,000 4,996,000,000 4,933,000,000 4,877,000,000 4,815,000,000 
        total
                                                                        18,283,000,000 17,418,000,000 16,178,000,000 10,440,000,000 16,462,000,000 16,696,000,000 16,341,000,000 10,354,000,000 
        less treasury shares: 493 at september 30, 2009 and 492 at december 31, 2008; at cost
                                                                        5,383,000,000        
        total shareholders’ equity
                                                                        12,900,000,000 12,035,000,000 10,835,000,000 10,529,000,000 11,119,000,000 11,354,000,000 11,033,000,000 10,385,000,000 
        total liabilities and shareholders’ equity
                                                                        30,547,000,000 29,545,000,000 27,718,000,000 28,117,000,000 28,491,000,000 30,121,000,000 30,120,000,000 29,156,000,000 
        2007 mandatory convertible preferred shares — 1 par value; 250 per share face value; issued: 10 at june 30, 2009 and december 31, 2008
                                                                         2,500,000,000       
        common shares — authorized: 2,400, .50 par value; issued: 2,127 at june 30, 2009 and 2,118 at december 31, 2008
                                                                         1,064,000,000       
        less treasury shares: 493 at june 30, 2009 and 492 at december 31, 2008; at cost
                                                                         5,383,000,000       
        2007 mandatory convertible preferred shares — 1 par value; 250 per share face value; issued: 10 at march 31, 2009 and december 31, 2008
                                                                          2,500,000,000      
        common shares — authorized: 2,400, .50 par value; issued: 2,120 at march 31, 2009 and 2,118 at december 31, 2008
                                                                          1,060,000,000      
        less treasury shares: 492 at march 31, 2009 and december 31, 2008; at cost
                                                                          5,343,000,000      
        accounts receivable, less allowances
                                                                           2,816,000,000    2,841,000,000 
        property, at cost:
                                                                                
        buildings and improvements
                                                                           4,551,000,000    4,634,000,000 
        equipment
                                                                           4,504,000,000    4,503,000,000 
        2007 mandatory convertible preferred shares — 1 par value; 250 per share face value issued 10 at december 31, 2008 and december 31, 2007
                                                                           2,500,000,000     
        common shares — authorized shares: 2,400, .50 par value; issued: 2,118 at december 31, 2008 and 2,111 at december 31, 2007
                                                                           1,059,000,000     
        less treasury shares: 2008, 492; 2007, 490; at cost
                                                                           5,343,000,000     
        2007 mandatory convertible preferred shares — 1 par value; 250 per share face value; issued: 10 at september 30, 2008 and december 31, 2007
                                                                            2,500,000,000    
        common shares — authorized: 2,400, .50 par value; issued: 2,118 at september 30, 2008 and 2,111 at december 31, 2007
                                                                            1,059,000,000    
        less treasury shares: 492 at september 30, 2008 and 490 at december 31, 2007; at cost
                                                                            5,343,000,000    
        2007 mandatory convertible preferred shares — 1 par value; 250 per share face value; issued: 10 at june 30, 2008 and december 31, 2007
                                                                             2,500,000,000   
        common shares — authorized shares: 2,400, .50 par value; issued: 2,117 at june 30, 2008 and 2,111 at december 31, 2007
                                                                             1,059,000,000   
        less treasury shares: 492 at june 30, 2008 and 490 at december 31, 2007; at cost
                                                                             5,342,000,000   
        2007 mandatory convertible preferred shares — 1 par value; 250 per share face value; issued: 10 at march 31, 2008 and december 31, 2007
                                                                              2,500,000,000  
        common shares — authorized shares: 2,400, .50 par value; issued: 2,111 at march 31, 2008 and december 31, 2007
                                                                              1,056,000,000  
        less treasury shares: 490 at march 31, 2008 and december 31, 2007; at cost
                                                                              5,308,000,000  
        2004 mandatory convertible preferred shares — 1 par value; 50 per share face value; issued 0 at december 31, 2007 and 29 at december 31, 2006
                                                                                
        2007 mandatory convertible preferred shares — 1 par value; 250 per share face value issued 10 at december 31, 2007 and 0 at december 31, 2006
                                                                               2,500,000,000 
        common shares — authorized shares: 2,400, .50 par value; issued: 2,111 at december 31, 2007 and 2,034 at december 31, 2006
                                                                               1,055,000,000 
        less treasury shares: 2007, 490; 2006, 547; at cost
                                                                               5,307,000,000 
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 
                                                                              
          cash flows from operating activities
                                                                              
          net income
        -4,243,000,000 2,962,000,000 5,787,000,000 4,429,000,000 5,085,000,000 3,744,000,000 3,161,000,000 5,461,000,000 4,767,000,000  4,750,000,000 -5,972,000,000 2,825,000,000        3,186,000,000 -2,091,000,000 2,944,000,000 3,010,000,000 3,219,000,000 2,363,000,000 1,908,000,000 2,644,000,000 2,862,000,000 1,778,000,000 1,958,000,000 1,716,000,000 741,000,000 -1,038,000,000 -51,000,000 1,951,000,000 1,556,000,000 -587,000,000 2,189,000,000 1,209,000,000 1,130,000,000 982,000,000 1,831,000,000 688,000,000 958,000,000 7,327,000,000 843,000,000 2,033,000,000 1,731,000,000 815,000,000 1,151,000,000 935,000,000 1,616,000,000 949,000,000 1,763,000,000 1,820,000,000 1,767,000,000 1,543,000,000 1,724,000,000 2,054,000,000 1,071,000,000 -500,000,000 371,600,000 780,200,000 330,200,000 805,000,000 588,000,000 589,000,000 435,000,000 291,000,000 
          adjustments to reconcile net income to net cash from operating activities:
                                                                              
          amortization
        931,000,000 973,000,000 622,000,000 601,000,000 597,000,000 675,000,000 633,000,000 614,000,000 473,000,000 462,000,000 562,000,000 477,000,000 543,000,000 462,000,000 460,000,000 464,000,000 699,000,000 405,000,000 360,000,000 337,000,000 534,000,000                                                  
          depreciation
        581,000,000 1,493,000,000 532,000,000 518,000,000 502,000,000 522,000,000 553,000,000 518,000,000 511,000,000 502,000,000 452,000,000 426,000,000 448,000,000 430,000,000 499,000,000 474,000,000 421,000,000 430,000,000 399,000,000 353,000,000 396,000,000                                                  
          income from investments in equity securities
        -168,000,000 195,000,000 -374,000,000 -99,000,000 -90,000,000  31,000,000 -57,000,000 -143,000,000         -405,000,000                                                     
          charge for research and development asset acquisition
        8,540,000,000                                                                      
          deferred income taxes
        -315,000,000 -825,000,000 -212,000,000 -448,000,000 -186,000,000 -616,000,000 -401,000,000 -181,000,000 -51,000,000 -931,000,000 -336,000,000 -355,000,000 -277,000,000 -307,000,000 -661,000,000 -262,000,000 -338,000,000 159,000,000 -1,000,000 39,000,000 -10,000,000 -715,000,000 -75,000,000 40,000,000 82,000,000 -170,000,000 -237,000,000 -343,000,000 194,000,000 -118,000,000 -133,000,000 -228,000,000 -30,000,000 -2,020,000,000 -329,000,000 -218,000,000 -54,000,000 -1,456,000,000 55,000,000 -50,000,000 -70,000,000 82,000,000 -463,000,000 -204,000,000 -179,000,000 -827,000,000 -527,000,000 -942,000,000 -304,000,000 202,000,000 -213,000,000 -248,000,000 -71,000,000 952,000,000 82,000,000   -563,000,000 -133,000,000 -627,000,000 -214,000,000 -349,200,000 -423,900,000 -471,100,000 152,200,000      
          share-based compensation
        185,000,000 205,000,000 204,000,000 216,000,000 195,000,000 187,000,000 195,000,000 203,000,000 176,000,000 167,000,000 164,000,000 169,000,000 145,000,000 145,000,000 139,000,000 137,000,000 120,000,000 119,000,000 117,000,000 123,000,000 120,000,000 121,000,000 125,000,000 121,000,000 108,000,000 111,000,000 102,000,000 111,000,000 93,000,000 87,000,000 91,000,000 90,000,000 80,000,000 80,000,000 76,000,000 82,000,000 74,000,000 75,000,000 77,000,000 80,000,000 68,000,000 78,000,000 75,000,000 83,000,000 63,000,000 69,000,000 75,000,000 78,000,000 56,000,000 66,000,000 68,000,000 75,000,000 67,000,000 78,000,000 88,000,000 93,000,000 76,000,000 82,000,000 87,000,000 107,000,000 93,000,000 109,500,000 125,300,000 141,800,000 132,400,000      
          other
        20,000,000 118,000,000 -51,000,000 335,000,000 109,000,000 -101,000,000 437,000,000 91,000,000 83,000,000 449,000,000 -99,000,000 202,000,000 -197,000,000 132,000,000 393,000,000 633,000,000 143,000,000 306,000,000 1,025,000,000 -195,000,000 -331,000,000 396,000,000 -243,000,000 -345,000,000 143,000,000 -35,000,000 105,000,000 -6,000,000 120,000,000 393,000,000 156,000,000 379,000,000 50,000,000 300,000,000 -94,000,000 91,000,000 -28,000,000 66,000,000 50,000,000 100,000,000 97,000,000 60,000,000 120,000,000 26,000,000 551,000,000 -45,000,000 142,000,000 -77,000,000 -115,000,000 112,000,000 -85,000,000 46,000,000 326,000,000 62,000,000 -177,000,000 72,000,000 71,000,000 530,000,000 249,000,000 -234,000,000 -222,000,000 -66,600,000 6,600,000 249,000,000 188,000,000 2,000,000     
          net changes in assets and liabilities
        -1,613,000,000  1,314,000,000 -2,259,000,000 -3,712,000,000  2,582,000,000 -1,012,000,000 -3,382,000,000  2,177,000,000 -1,636,000,000 -2,890,000,000  263,000,000 -1,399,000,000 -1,299,000,000  -139,000,000 -1,551,000,000 -2,104,000,000  -1,445,000,000 -527,000,000 -3,666,000,000  -91,000,000 -443,000,000 -2,935,000,000  -760,000,000 199,000,000 -1,473,000,000  -2,922,000,000 198,000,000 -2,535,000,000  -564,000,000 -1,563,000,000 -875,000,000  223,000,000 -392,000,000 -618,000,000  2,068,000,000 -415,000,000 -703,000,000  1,315,000,000 -636,000,000 -1,173,000,000  -282,000,000    821,000,000 -418,000,000 -1,067,000,000  787,100,000 1,058,500,000 -1,064,000,000      
          net cash from operating activities
        3,918,000,000 2,857,000,000 7,822,000,000 3,293,000,000 2,500,000,000 3,450,000,000 9,291,000,000 5,637,000,000 3,090,000,000  7,717,000,000 3,704,000,000 1,339,000,000     -64,000,000 -740,000,000 1,791,000,000 4,006,000,000 2,173,000,000 3,367,000,000 707,000,000 4,794,000,000 4,226,000,000 3,084,000,000 1,336,000,000 3,592,000,000 2,793,000,000 3,382,000,000 1,155,000,000 4,015,000,000 -1,171,000,000 3,317,000,000 286,000,000 3,632,000,000 2,971,000,000 1,615,000,000 2,158,000,000 4,247,000,000 3,305,000,000 2,585,000,000 2,284,000,000 -1,164,000,000 4,348,000,000 2,315,000,000 2,361,000,000 3,026,000,000 3,949,000,000 2,338,000,000 2,341,000,000 1,809,000,000 3,139,000,000 2,920,000,000 2,154,000,000 3,233,000,000 4,577,000,000 2,852,000,000 1,721,000,000 3,539,100,000 2,591,900,000 3,324,900,000 1,366,100,000 556,000,000 789,000,000 1,191,000,000   
          cash flows from investing activities
                                                                              
          capital expenditures
        -991,000,000 -1,033,000,000 -987,000,000 -764,000,000 -1,328,000,000 -937,000,000 -783,000,000 -791,000,000 -861,000,000  -902,000,000 -965,000,000 -1,007,000,000     -1,208,000,000 -1,172,000,000 -934,000,000 -1,134,000,000 -1,514,000,000 -1,516,000,000 -668,000,000 -986,000,000 -1,137,000,000 -959,000,000 -782,000,000 -595,000,000 -929,000,000 -653,000,000 -583,000,000 -450,000,000 -715,000,000 -441,000,000 -393,000,000 -339,000,000 -551,000,000 -409,000,000 -375,000,000 -279,000,000 -493,000,000 -316,000,000 -271,000,000 -203,000,000 -490,000,000 -320,000,000 -302,000,000 -205,000,000 -429,000,000 -355,000,000 -413,000,000 -351,000,000 -778,000,000 -414,000,000 -603,000,000 -431,000,000 -365,000,000 -324,000,000 -660,300,000 -337,900,000 -337,000,000 -342,800,000 -161,000,000 -205,000,000 -172,000,000   
          free cash flows
        2,927,000,000 1,824,000,000 6,835,000,000 2,529,000,000 1,172,000,000 2,513,000,000 8,508,000,000 4,846,000,000 2,229,000,000  6,815,000,000 2,739,000,000 332,000,000     -1,272,000,000 -1,172,000,000 -1,674,000,000 657,000,000 2,492,000,000 657,000,000 2,699,000,000 -279,000,000 3,657,000,000 3,267,000,000 2,302,000,000 741,000,000 2,663,000,000 2,140,000,000 2,799,000,000 705,000,000 3,300,000,000 -1,612,000,000 2,924,000,000 -53,000,000 3,081,000,000 2,562,000,000 1,240,000,000 1,879,000,000 3,754,000,000 2,989,000,000 2,314,000,000 2,081,000,000 -1,654,000,000 4,028,000,000 2,013,000,000 2,156,000,000 2,597,000,000 3,594,000,000 1,925,000,000 1,990,000,000 1,031,000,000 2,725,000,000 2,920,000,000 2,154,000,000 2,630,000,000 4,146,000,000 2,487,000,000 1,397,000,000 2,878,800,000 2,254,000,000 2,987,900,000 1,023,300,000 395,000,000 584,000,000 1,019,000,000   
          purchases of securities and other investments
        -374,000,000 -612,000,000 -595,000,000 -455,000,000 -49,000,000 -15,000,000 -251,000,000 -117,000,000 -25,000,000 -562,000,000 -494,000,000 -5,000,000 -333,000,000 -372,000,000 -1,000,000 -17,000,000 -1,000,000 -28,000,000 -49,000,000 -822,000,000 -570,000,000 -836,000,000 -974,000,000 -1,095,000,000 -1,651,000,000 -3,922,000,000 -1,326,000,000 -2,342,000,000 -2,117,000,000 -3,351,000,000 -2,929,000,000 -5,567,000,000 -3,729,000,000 -3,988,000,000 -2,367,000,000 -4,256,000,000 -3,804,000,000 -3,582,000,000 -5,039,000,000 -8,713,000,000 -3,851,000,000 -5,555,000,000 -6,825,000,000 -4,914,000,000 -4,259,000,000 -4,808,000,000 -4,010,000,000 -5,950,000,000 -2,890,000,000   -2,639,000,000 -1,620,000,000 -1,684,000,000 -1,382,000,000 -1,370,900,000 -1,590,900,000 -1,302,500,000 -2,932,700,000      
          proceeds from sales of securities and other investments
         46,000,000 575,000,000 601,000,000 456,000,000 7,000,000 50,000,000 60,000,000 260,000,000 169,000,000 704,000,000 285,000,000 500,000,000 12,000,000 335,000,000 373,000,000 1,000,000 529,000,000 111,000,000 386,000,000 918,000,000 2,000,000 76,000,000 1,816,000,000 1,163,000,000 2,524,000,000 3,036,000,000 1,899,000,000 4,009,000,000 3,840,000,000 5,555,000,000 1,848,000,000 3,131,000,000 3,170,000,000 2,544,000,000 6,819,000,000 3,053,000,000 3,912,000,000 2,768,000,000 4,620,000,000 3,882,000,000 3,903,000,000 6,341,000,000 6,287,000,000 3,307,000,000 3,705,000,000 5,470,000,000 2,632,000,000 6,475,000,000 2,628,000,000 4,034,000,000 3,161,000,000 2,176,000,000 1,433,000,000 1,377,000,000 2,797,000,000 1,409,000,000 1,850,000,000 1,366,000,000 1,524,000,000 834,700,000 2,026,700,000 1,426,900,000 272,700,000      
          acquisition of cidara therapeutics, inc., net of cash acquired
        -8,779,000,000                                                                      
          net cash from investing activities
        -10,210,000,000 -11,201,000,000 -283,000,000 -770,000,000 -1,487,000,000 -1,444,000,000 -3,845,000,000 -1,069,000,000 -1,376,000,000  -334,000,000 -11,443,000,000 -2,359,000,000     604,000,000 -738,000,000 -4,778,000,000 -2,155,000,000 -882,000,000 -1,628,000,000 -763,000,000 191,000,000 -2,425,000,000 368,000,000 2,178,000,000 1,660,000,000 673,000,000 -197,000,000 -58,000,000 671,000,000 -1,127,000,000 3,193,000,000 -2,563,000,000 -890,000,000 -1,498,000,000 1,741,000,000 -617,000,000 -61,000,000 2,525,000,000 -6,605,000,000 7,204,000,000 -3,722,000,000 -49,000,000 -3,807,000,000 1,177,000,000 -2,037,000,000 -1,135,000,000 -1,153,000,000 -4,398,000,000 -1,839,000,000   -1,684,000,000 -263,000,000 -1,048,000,000 105,000,000 -1,007,500,000 194,800,000   -861,000,000     
          cash flows from financing activities
                                                                              
          net change in short-term borrowings
        1,061,000,000  15,000,000               -3,000,000 -4,771,000,000 788,000,000 2,860,000,000 -2,278,000,000 -1,616,000,000 3,583,000,000 182,000,000 -360,000,000 603,000,000 -4,135,000,000 2,830,000,000 225,000,000 2,070,000,000 -1,000,000 -1,988,000,000 1,986,000,000 -3,808,000,000 3,784,000,000  918,000,000   -14,000,000 3,000,000 -3,706,000,000 2,177,000,000 -3,537,000,000 4,963,000,000 -5,035,000,000 3,149,000,000 -310,000,000 -1,551,000,000 822,000,000 880,000,000 904,000,000 -1,917,000,000 1,003,000,000 634,000,000 -280,000,000 -40,000,000 1,593,000,000 -197,000,000 -1,483,000,000 -84,700,000 -962,700,000 2,620,400,000 -2,000,000  -167,000,000 -4,000,000 -36,000,000 
          payments on debt
        -1,140,000,000 -2,000,000 -1,000,000 -2,500,000,000 -539,000,000 -751,000,000 -3,000,000 -1,000,000 -1,750,000,000 -1,000,000 -1,000,000 -1,000,000,000 -1,250,000,000 -1,166,000,000 -1,153,000,000 -3,000,000 -2,000,000 -1,000,000 -1,951,000,000     -1,280,000,000 1,000,000 -2,005,000,000 -1,003,000,000 -802,000,000 -1,000,000 -300,000,000 -35,000,000 -1,500,000,000 -851,000,000 -1,000,000 -3,000,000 -2,902,000,000 -6,610,000,000 -2,000,000 -2,000,000 -3,000,000 -1,260,000,000 -9,000,000 -506,000,000     -270,000,000 -12,000,000 -1,261,000,000 -4,000,000 -651,700,000 -63,200,000 -3,800,000 -622,300,000      
          dividends paid to stockholders
        -2,105,000,000 -2,018,000,000 -2,031,000,000 -2,077,000,000 -2,050,000,000 -1,951,000,000 -1,953,000,000 -1,986,000,000 -1,950,000,000 -1,852,000,000 -1,855,000,000 -1,885,000,000 -1,853,000,000 -1,750,000,000 -1,747,000,000 -1,770,000,000 -1,745,000,000 -1,643,000,000 -1,649,000,000 -1,673,000,000 -1,645,000,000 -1,542,000,000 -1,545,000,000 -1,577,000,000 -1,551,000,000 -1,405,000,000 -1,394,000,000 -1,468,000,000 -1,428,000,000 -1,277,000,000 -1,285,000,000 -1,311,000,000 -1,299,000,000 -1,283,000,000 -1,283,000,000 -1,307,000,000 -1,294,000,000 -1,271,000,000 -1,274,000,000 -1,300,000,000 -1,279,000,000 -1,263,000,000 -1,272,000,000 -1,302,000,000 -1,280,000,000 -1,259,000,000 -1,282,000,000 -1,339,000,000 -1,290,000,000 -1,260,000,000 -1,259,000,000 -1,332,000,000 -1,306,000,000 -1,280,000,000 -1,277,000,000   -1,165,000,000 -1,175,000,000 -1,176,000,000 -1,175,000,000 -1,174,800,000 -1,181,300,000 -1,189,300,000 -1,188,600,000      
          purchases of treasury stock
        -874,000,000 -1,252,000,000 -1,323,000,000 -1,345,000,000 -1,164,000,000 -489,000,000 -444,000,000 -251,000,000 -122,000,000 -393,000,000 -466,000,000 -338,000,000 -149,000,000     -18,000,000 -583,000,000   -1,281,000,000 -1,050,000,000 -1,405,000,000 -1,235,000,000 -1,090,000,000 -5,933,000,000 -996,000,000 -1,596,000,000 -566,000,000 -1,702,000,000 -159,000,000 -1,134,000,000 -1,019,000,000 -1,016,000,000 -845,000,000 -660,000,000 -913,000,000 -1,181,000,000 -1,281,000,000 -709,000,000 -1,015,000,000 -1,620,000,000 -2,670,000,000 -2,246,000,000 -1,167,000,000 -196,000,000 -215,000,000 -5,525,000,000 -580,000,000 -1,152,000,000 -454,000,000   -562,000,000 -1,045,000,000   300,000 -296,100,000        
          proceeds from exercise of stock options
        157,000,000 47,000,000 14,000,000 12,000,000 19,000,000 12,000,000 5,000,000 73,000,000 87,000,000 6,000,000 7,000,000 82,000,000 30,000,000 265,000,000 10,000,000 97,000,000 12,000,000 134,000,000 17,000,000 42,000,000 9,000,000 21,000,000 28,000,000 14,000,000 26,000,000 17,000,000 40,000,000 131,000,000 173,000,000 130,000,000 162,000,000 69,000,000 230,000,000 18,000,000 73,000,000 95,000,000 313,000,000 149,000,000 409,000,000 179,000,000 202,000,000 51,000,000 57,000,000 135,000,000 242,000,000 179,000,000 247,000,000 203,000,000 931,000,000 401,000,000 168,000,000 549,000,000 92,000,000 250,000,000 459,000,000 222,000,000 379,000,000 127,000,000 32,000,000 125,000,000 37,000,000 50,100,000 75,700,000 41,900,000 195,300,000      
          net cash from financing activities
        -2,981,000,000 4,751,000,000 2,638,000,000 -3,556,000,000 -5,755,000,000 -3,009,000,000 -2,425,000,000 1,216,000,000 -2,814,000,000  -4,269,000,000 3,758,000,000 -2,054,000,000     1,594,000,000 -2,098,000,000 1,372,000,000 -3,851,000,000 1,137,000,000 -1,490,000,000 -2,011,000,000 -3,152,000,000 -2,084,000,000 -1,614,000,000 -5,566,000,000 -1,905,000,000 -2,967,000,000 -2,722,000,000 -5,785,000,000 536,000,000 -6,218,000,000 1,461,000,000 -1,977,000,000 -835,000,000 -3,381,000,000 -2,851,000,000 -2,407,000,000 -2,533,000,000 -5,485,000,000 5,155,000,000 -9,643,000,000 1,279,000,000 -8,369,000,000 1,620,000,000 -2,624,000,000 -2,915,000,000 970,000,000 -1,421,000,000 -1,218,000,000 -738,000,000   -2,231,000,000 -2,244,000,000 -1,257,000,000 -1,172,000,000 -1,294,900,000 -1,625,000,000   -181,000,000   -465,000,000 -184,000,000 
          effect of exchange rate changes on cash, cash equivalents and restricted cash
        -19,000,000 23,000,000 10,000,000 374,000,000 156,000,000 -367,000,000 294,000,000 -82,000,000 -138,000,000 186,000,000 -157,000,000 -93,000,000 87,000,000 366,000,000 -412,000,000 -309,000,000 -55,000,000 -68,000,000 -46,000,000 78,000,000 -97,000,000 164,000,000 87,000,000 65,000,000 -63,000,000 43,000,000 -54,000,000 8,000,000 20,000,000 -65,000,000 -32,000,000 -262,000,000 154,000,000                                      
          net decrease in cash, cash equivalents and restricted cash
        -9,292,000,000    -4,586,000,000    -1,238,000,000            -1,142,000,000                                                  
          cash, cash equivalents and restricted cash at beginning of year
        14,690,000,000 13,318,000,000 6,909,000,000 12,773,000,000 8,167,000,000 -12,000,000 8,165,000,000 9,934,000,000 7,967,000,000 6,096,000,000                                      
          cash, cash equivalents and restricted cash at end of period
        5,398,000,000  10,187,000,000 -659,000,000 8,732,000,000  3,315,000,000 5,702,000,000 5,671,000,000  2,957,000,000 -4,074,000,000 9,786,000,000  1,526,000,000 1,139,000,000 8,614,000,000  1,416,000,000 1,607,000,000 7,023,000,000  -3,746,000,000 3,687,000,000 7,460,000,000  1,211,000,000 -1,417,000,000 8,077,000,000  2,516,000,000 826,000,000 4,486,000,000                                      
          intangible asset impairment charges
                 779,000,000    839,000,000 887,000,000       1,683,000,000 15,000,000   176,000,000 612,000,000 148,000,000 104,000,000     270,000,000 245,000,000 51,000,000 80,000,000 3,376,000,000 5,000,000 290,000,000 277,000,000 82,000,000 7,000,000 59,000,000 14,000,000 13,000,000 549,000,000   171,000,000 564,000,000 30,000,000 24,000,000 40,000,000 127,000,000 9,000,000 244,000,000 22,000,000            
          charges for certain research and development asset acquisitions
                                                                              
          net changes in assets and liabilities:
                                                                              
          accounts receivable
                                                                         -292,000,000 49,000,000 275,000,000 -24,000,000 -383,000,000 
          inventories
                                                                         -239,000,000 -127,000,000 -23,000,000 26,000,000 -138,000,000 
          trade accounts payable
                                                                              
          accrued and other current liabilities
                                                                              
          income taxes payable
                                                                              
          noncurrent liabilities
                                                                              
          proceeds from sale of seagen inc. common stock
                                                                              
          acquisition of verona pharma plc, net of cash acquired
                                                                              
          acquisition of eyebiotech limited, net of cash acquired
                                                                             
          acquisition of elanco animal health incorporated aqua business
             -2,000,000                                                                 
          acquisition of harpoon therapeutics, inc., net of cash acquired
             -746,000,000                                                              
          acquisition of mk-1045 from curon pharmaceutical
                                                                              
          acquisition of prometheus biosciences, inc., net of cash acquired
                                                                            
          acquisition of imago biosciences inc., net of cash acquired
                                                                              
          proceeds from issuance of debt
         7,918,000,000    -1,000,000   -7,000,000           -26,000,000   4,958,000,000         1,071,000,000   -2,000,000 -1,000,000 7,941,000,000 3,145,000,000     58,000,000                 
          net increase in cash, cash equivalents and restricted cash
         -3,570,000,000 10,187,000,000   -1,370,000,000 3,315,000,000   -1,760,000,000 2,957,000,000 -4,074,000,000 -2,987,000,000 1,494,000,000 1,526,000,000 1,139,000,000 447,000,000 -1,879,000,000 1,416,000,000     3,687,000,000 -2,474,000,000 2,063,000,000   110,000,000 139,000,000 2,516,000,000 826,000,000 -1,610,000,000                                      
          cash, cash equivalents and restricted cash at end of year
                                                                              
          charges for research and development asset acquisitions
                                                                              
          acquisition of mk-1045 (formerly cn201) from curon pharmaceutical
                                                                              
          loss from investments in equity securities
                 -100,000,000 34,000,000 176,000,000 -450,000,000 58,000,000 370,000,000 283,000,000 708,000,000                                                      
          charge for the acquisition of eyebiotech limited
                                                                              
          charge for the acquisition of mk-1045 (formerly cn201) from curon pharmaceutical
                                                                              
          charge for the acquisition of harpoon therapeutics, inc.
              656,000,000                                                              
          charge for the acquisition of prometheus biosciences, inc.
                                                                            
          charge for the acquisition of imago biosciences, inc.
                 1,192,000,000                                                          
          acquisition of imago biosciences, inc., net of cash acquired
                  -1,327,000,000                                                          
          cash flows from operating activities of continuing operations
                                                                              
          net income from continuing operations
                     3,018,000,000 3,252,000,000 3,949,000,000 4,307,000,000 3,824,000,000 4,571,000,000                                                    
          adjustments to reconcile net income from continuing operations to net cash from operating activities of continuing operations:
                                                                              
          charge for the acquisition of pandion therapeutics, inc.
                                                                            
          net cash from operating activities of continuing operations
                     4,430,000,000 5,602,000,000 4,302,000,000 4,761,000,000                                                      
          cash flows from investing activities of continuing operations
                                                                              
          acquisition of acceleron pharma inc., net of cash acquired
                                                                              
          acquisition of pandion therapeutics, inc., net of cash acquired
                                                                              
          other acquisitions, net of cash acquired
                        -90,000,000 1,000,000 -76,000,000 -14,000,000 -458,000,000 -586,000,000   -25,000,000 1,000,000                                            
          net cash from investing activities of continuing operations
                     -1,748,000,000 -962,000,000 -1,077,000,000 -1,173,000,000                                                      
          cash flows from financing activities of continuing operations
                                                                              
          distribution from organon & co.
                                                                            
          net cash from financing activities of continuing operations
                     -1,554,000,000 -2,702,000,000 -1,777,000,000 -3,086,000,000                                                      
          cash flows from discontinued operations
                                                                              
          net cash flows from discontinued operations
                         -64,000,000                                                    
          charge for the acquisition of velosbio inc.
                                                                              
          purchase of seagen inc. common stock
                                                                              
          acquisition of velosbio inc., net of cash acquired
                                                                              
          acquisition of arqule, inc., net of cash acquired
                             -2,545,000,000                                              
          less: cash and cash equivalents related to discontinued operations
                                                                              
          charge for the acquisition of peloton therapeutics, inc.
                                                                              
          acquisition of antelliq corporation, net of cash acquired
                                                                            
          acquisition of peloton therapeutics, inc., net of cash acquired
                                                                             
          discontinued operations
                                                                              
          adjustments to reconcile net income from continuing operations to net cash from operating activities:
                                                                              
          net cash from operating activities from continuing operations
                          4,797,000,000                                                    
          acquisition of pandion therapeutics, inc. net of cash acquired
                                                                             
          net cash from investing activities from continuing operations
                          -1,061,000,000                                                    
          net cash from financing activities from continuing operations
                          -2,274,000,000                                                    
          charge for future payments related to collaboration license options
                                                                             
          depreciation and amortization
                              852,000,000 1,048,000,000 821,000,000 936,000,000 845,000,000 973,000,000 898,000,000 1,095,000,000 1,061,000,000 1,226,000,000 1,137,000,000 1,128,000,000 1,154,000,000 1,162,000,000 1,193,000,000 1,155,000,000 1,175,000,000 1,550,000,000 1,561,000,000 1,560,000,000 1,570,000,000 1,608,000,000 1,637,000,000 1,573,000,000 1,611,000,000 1,753,000,000 1,754,000,000 1,954,000,000 1,705,000,000 1,655,000,000 1,674,000,000 1,661,000,000 1,723,000,000 1,804,000,000 1,790,000,000 1,861,000,000 1,903,000,000 1,832,000,000 1,831,000,000 1,866,000,000 1,879,900,000 1,947,700,000 1,687,400,000 296,000,000 362,000,000 394,000,000 543,000,000 876,000,000 
          charge for acquisition of peloton therapeutics, inc.
                                                                              
          provisional charge for one-time transition tax related to the enactment of u.s. tax legislation
                                                                              
          charge for collaboration termination
                                                                              
          charge related to the settlement of worldwide keytruda patent litigation
                                                                              
          acquisitions, net of cash acquired
                                     -59,000,000                                         
          charge for future payments related to eisai collaboration license options
                                       650,000,000                                      
          acquisitions of businesses, net of cash acquired
                                          -41,000,000 -306,000,000                       -104,200,000 -10,500,000 -10,000,000 -131,300,000      
          charge for future payments related to astrazeneca collaboration license options
                                         -250,000,000                                     
          foreign currency devaluation related to venezuela
                                                 161,000,000                             
          net charge related to the settlement of vioxx shareholder class action litigation
                                                                              
          equity income from affiliates
                                             -27,000,000 -21,000,000 -4,000,000 -34,000,000 5,000,000 -63,000,000 -2,000,000 -145,000,000 -16,000,000 -24,000,000 -93,000,000 -124,000,000 -53,000,000 -102,000,000 -116,000,000 -133,000,000 -232,000,000 -157,000,000   -256,000,000 -161,000,000 -55,000,000 -138,000,000 -170,200,000 -236,400,000 -42,900,000 -137,500,000      
          dividends and distributions from equity method affiliates
                                                                              
          acquisition of cubist pharmaceuticals, inc., net of cash acquired
                                                 -7,598,000,000                          
          acquisitions of other businesses, net of cash acquired
                                             -2,000,000 -621,000,000 -10,000,000 -147,000,000 -36,000,000                             
          dispositions of businesses, net of cash divested
                                                  126,000,000    490,000,000 25,000,000 533,000,000         17,000,000 306,000,000          
          effect of exchange rate changes on cash and cash equivalents
                                         19,000,000 79,000,000 106,000,000 253,000,000 -484,000,000 53,000,000 156,000,000 144,000,000 -247,000,000 -85,000,000 -683,000,000 -295,000,000 -326,000,000 -278,000,000 18,000,000 33,000,000 -48,000,000 3,000,000 -107,000,000 -194,000,000 -102,000,000 46,000,000   -40,000,000 -159,000,000 100,000,000 141,000,000 -210,700,000 47,100,000 104,200,000 -235,600,000      
          net increase in cash and cash equivalents
                                         -1,809,000,000 115,000,000 -3,922,000,000 5,193,000,000 -1,392,000,000   1,192,000,000 976,000,000   539,000,000 -3,929,000,000 1,627,000,000 -6,085,000,000 207,000,000 1,531,000,000 -1,000,000,000 2,066,000,000 -427,000,000 -3,909,000,000 608,000,000 2,096,000,000 1,125,000,000 -722,000,000 1,911,000,000 647,000,000 795,000,000 1,026,000,000 1,208,800,000 429,600,000 -1,075,400,000  214,000,000 454,000,000   
          cash and cash equivalents at beginning of year
                                         6,515,000,000 8,524,000,000 7,441,000,000 15,621,000,000 13,451,000,000 13,531,000,000 10,900,000,000 -400,000 9,311,400,000      
          cash and cash equivalents at end of year
                                                                              
          cash and cash equivalents at end of period
                                          115,000,000 -3,922,000,000 11,708,000,000  1,299,000,000 -3,108,000,000 9,716,000,000  626,000,000 -1,058,000,000 7,980,000,000  1,627,000,000 -6,085,000,000 15,828,000,000  -1,000,000,000 2,066,000,000 13,024,000,000  608,000,000 2,096,000,000 14,656,000,000  1,911,000,000 647,000,000 11,695,000,000  1,208,800,000 429,600,000 8,236,000,000      
          gain on divestiture of merck consumer care business
                                                                              
          gain on astrazeneca option exercise
                                                                           
          loss on extinguishment of debt
                                                                              
          divestiture of merck consumer care business, net of cash divested
                                                                              
          dispositions of other businesses, net of cash divested
                                                                              
          proceeds from astrazeneca option exercise
                                                                           
          acquisition of idenix pharmaceuticals, inc., net of cash acquired
                                                                             
          acquisition of bayer ag collaboration rights
                                                                              
          cash inflows from net investment hedges
                                                                              
          other dividends paid
                                                                              
          dividends and distributions from equity affiliates
                                              5,000,000 3,000,000 4,000,000  5,000,000 4,000,000 3,000,000  7,000,000 59,000,000 66,000,000 59,000,000 110,000,000 63,000,000 5,000,000 110,000,000 59,000,000 56,000,000 66,000,000 30,000,000 65,000,000 56,000,000 65,000,000 60,200,000 81,700,000 104,700,000 77,400,000      
          net decrease in cash and cash equivalents
                                                                              
          foreign exchange losses related to venezuela
                                                                              
          gain on divestiture of merck consumer care
                                                                              
          divestiture of consumer care business, net of cash divested
                                                                              
          gain on divestiture of certain ophthalmic products
                                                                              
          gain on disposition of interest in equity method investment
                                                                              
          proceeds from sale of interest in equity method investment
                                                                              
          cash inflows (outflows) from net investment hedges
                                                                              
          gain on astrazeneca lp asset option exercise
                                                                              
          proceeds from astrazeneca lp asset option exercise
                                                                              
          decrease in restricted assets
                                                                              
          gain related to merck/schering-plough partnership
                                                                              
          schering-plough merger, net of cash acquired
                                                                              
          supplemental cash flow information
                                                                              
          gain on astrazeneca asset option exercise
                                                                              
          in-process research and development impairment charges
                                                                    302,000,000          
          increase in restricted assets
                                                                      200,000 18,100,000 -25,100,000      
          gains on distributions from astrazeneca lp
                                                                              
          gain on disposition of interest in merial limited
                                                                              
          proceeds from sale of interest in merial limited
                                                                              
          distributions from astrazeneca lp
                                                                              
          decrease (increase) in restricted assets
                                                                              
          proceeds from the issuance of debt
                                                                             
          net cash (used by) provided by investing activities
                                                                        -3,148,100,000      
          net cash from (used by) financing activities
                                                                        942,200,000      
          gain on distribution from astrazeneca lp
                                                                              
          u.s. vioxx settlement agreement charge
                                                                              
          in-process research and development
                                                                              
          taxes paid for internal revenue service settlement
                                                                              
          distribution from astrazeneca lp
                                                                              
          net cash from (used by) investing activities
                                                                              
          net cash used by financing activities
                                                                              
          operating activities:
                                                                              
          accrued share-based compensation
                                                                         48,000,000 49,000,000 52,000,000 58,000,000 60,000,000 
          special, merger and acquisition-related charges and payments
                                                                         -8,000,000     
          gain on sale of divested products
                                                                             
          changes in assets and liabilities:
                                                                              
          prepaid expenses and other assets
                                                                         47,000,000 -52,000,000 -8,000,000 -92,000,000 78,000,000 
          accounts payable
                                                                         88,000,000 154,000,000 37,000,000   
          other liabilities
                                                                         -189,000,000 -164,000,000 -22,000,000   
          investing activities:
                                                                              
          dispositions of property and equipment
                                                                         1,000,000 11,000,000 2,000,000 4,000,000 27,000,000 
          contributions to benefit-related trusts
                                                                              
          proceeds from divested products
                                                                             
          purchases of short-term investments
                                                                         -708,000,000     
          maturities of short-term investments
                                                                         5,000,000 17,000,000 -15,000,000 25,000,000 
          financing activities:
                                                                              
          payments of long-term debt
                                                                         -71,000,000  -466,000,000   
          cash dividends paid to common shareholders
                                                                         -106,000,000 -105,000,000 -106,000,000 -106,000,000 -105,000,000 
          cash dividends paid to preferred shareholders
                                                                         -38,000,000 -37,000,000 -38,000,000 -37,000,000 -38,000,000 
          stock option exercises
                                                                         36,000,000 11,000,000 2,000,000 2,000,000 
          effect of exchange rates on cash and cash equivalents
                                                                         -42,000,000 -43,000,000 -55,000,000 20,000,000 
          cash and cash equivalents, beginning of period
                                                                         3,373,000,000  2,279,000,000 
          cash and cash equivalents, end of period
                                                                         2,845,000,000  454,000,000 251,000,000 2,454,000,000 
          net (decrease)/increase in cash and cash equivalents
                                                                              
          net (decrease) / increase in cash and cash equivalents
                                                                         -528,000,000     
          cumulative effect of a change in accounting principle, net of tax
                                                                              
          net income before cumulative effect of a change in accounting principle, net of tax
                                                                              
          adjustments to reconcile net income before cumulative effect of change in accounting principle, net of tax to net cash provided by operating activities:
                                                                              
          special and acquisition-related charges and payments
                                                                          12,000,000 57,000,000   
          purchases of derivative currency options
                                                                              
          change in fair value of currency options
                                                                              
          proceeds from derivative instruments
                                                                              
          acquired in-process research and development
                                                                              
          payment to u.s. taxing authorities
                                                                              
          foreign currency transaction exchange loss
                                                                              
          acquisition, net of cash acquired
                                                                              
          proceeds from preferred stock issuance
                                                                              
          proceeds from common stock issuance
                                                                              
          (payments)/issuance of long-term debt, net of issuance costs in 2007
                                                                              
          payments of short-term borrowings
                                                                              
          cash and cash equivalents, beginning of year
                                                                              
          cash and cash equivalents, end of year
                                                                              
          supplemental disclosure:
                                                                              
          cash paid for interest, net of amounts capitalized
                                                                              
          cash paid for income taxes
                                                                              
          purchases of derivative instruments
                                                                              
          change in fair value of foreign currency option
                                                                              
          payments to u.s. taxing authorities
                                                                              
          net cash (used for)/provided by investing activities
                                                                           85,000,000 -206,000,000 -123,000,000 
          issuance of long-term debt
                                                                              
          net cash (used for)/provided by financing activities
                                                                              
          purchase of derivative currency option
                                                                              
          accounts payable and other liabilities
                                                                             -322,000,000 
          net cash provided by/(used for) operating activities
                                                                             462,000,000 
          net increase/(decrease) in cash and cash equivalents
                                                                             175,000,000 
          special and acquisition related charges and payments
                                                                              
          short-term borrowings