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Pfizer Inc
(NYSE:PFE) 

PFE stock logo

Pfizer Inc. discovers, develops, manufactures, markets, distributes, and sells biopharmaceutical products worldwide. It offers medicines and vaccines in various therapeutic areas, including cardiovascular metabolic and pain under the Eliquis, Chantix/Champix, and Premarin family brands; biologics, s...

Founded: 1849
Full Time Employees: 83,000 (Dec 2022)
CEO: Albert Bourla  
Sector: Healthcare
Industry: Drug Manufacturers-General

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At a glance:
  • COVID-Related Revenue Normalization Continues: Pfizer is still cycling through a post-pandemic period where demand for COVID products (notably Comirnaty and Paxlovid) has moderated versus peak years, creating year-over-year revenue and earnings volatility.
  • Cost Realignment and Margin Focus: Management has been emphasizing cost reductions and operating discipline to protect profitability and cash generation as legacy COVID revenues decline and the company rebalances its expense base.
  • Pipeline and Business Development Are Central to the Growth Story: Investor focus remains on the pace and quality of pipeline progress (late-stage readouts, approvals, and lifecycle management) alongside bolt-on deals and partnerships to offset patent losses and rebuild durable growth.
  • Patent Expiration Risk and Portfolio Diversification: Like other large pharmas, Pfizer faces upcoming loss-of-exclusivity headwinds on key products, increasing the importance of newer launches and diversified therapeutic areas to sustain revenues.
  • Capital Allocation Balances Shareholder Returns and Strategic Investment: Pfizer’s capital priorities generally include maintaining the dividend while preserving flexibility for R&D and acquisitions, with ongoing scrutiny on leverage, cash flow, and the return profile of recent and future deals.
Bull Thesis:
  • Robust and Diversified Product Pipeline: Beyond its COVID-19 related products, Pfizer boasts a strong and diversified pipeline across oncology, rare diseases, inflammation & immunology, and internal medicine. Successful development and commercialization of these non-COVID assets are expected to drive future revenue growth and offset declines from older products.
  • Strategic Acquisitions Bolstering Future Growth: Pfizer has been strategically active in M&A, notably the acquisition of Seagen, which significantly enhances its oncology portfolio with leading antibody-drug conjugate (ADC) technology. These acquisitions are aimed at strengthening key therapeutic areas and providing long-term growth drivers.
  • Strong Free Cash Flow Generation and Shareholder Returns: Despite the decline in COVID-related revenue, Pfizer continues to generate substantial free cash flow from its established product portfolio. This financial strength supports ongoing R&D investments, strategic M&A, and consistent shareholder returns through dividends and share buybacks, attracting income-focused investors.
  • Global Reach and Established Market Presence: Pfizer possesses an unparalleled global commercial infrastructure and distribution network. This extensive reach provides a significant advantage in launching new products worldwide and maximizing their market penetration, especially in emerging markets.
Bear Thesis:
  • Significant Decline in COVID-19 Related Revenue: The substantial drop in demand for Comirnaty (COVID-19 vaccine) and Paxlovid (antiviral treatment) from their pandemic peaks is a major headwind, leading to a significant year-over-year decline in top-line revenue and impacting overall profitability compared to recent record-breaking years.
  • Upcoming Patent Expirations (Loss of Exclusivity): Pfizer faces significant revenue erosion due to upcoming patent expirations for several key blockbuster drugs, including Ibrance, Xeljanz, and potentially Eliquis (shared with BMS). The entry of generic competition for these products will put considerable pressure on future sales and margins.
  • Integration Challenges and Execution Risk from M&A: While strategic, large acquisitions like Seagen come with inherent integration risks. Successfully integrating new companies, realizing expected synergies, and ensuring the continued performance of acquired assets can be challenging and may not always meet initial projections, potentially impacting financial performance.
  • Pipeline Success Uncertainty and Clinical Trial Risks: Despite a robust pipeline, the success of drug development is inherently uncertain. Clinical trial failures, regulatory delays, or unexpected safety concerns for pipeline candidates can be costly, lead to write-downs, and significantly impact future revenue projections and growth prospects.
Main Competitors:
  • Johnson & Johnson ($JNJ) (Janssen Pharmaceuticals (oncology, immunology, neuroscience, infectious diseases, vaccines)), J&J's pharmaceutical division, Janssen, directly competes with Pfizer across multiple therapeutic areas, including oncology (e.g., prostate cancer drugs), immunology (e.g., autoimmune diseases), and vaccines. They also compete for R&D talent, market share in specific drug classes, and access to healthcare providers and payers.
  • Merck & Co., Inc. ($MRK) (Keytruda (oncology), Gardasil (HPV vaccine), infectious disease drugs, hospital products), Merck is a major competitor, particularly in oncology with its blockbuster drug Keytruda, which competes with Pfizer's oncology portfolio. They also compete significantly in the vaccine market (e.g., HPV vaccine Gardasil vs. Pfizer's Prevnar/pneumococcal vaccines) and in hospital-based medicines. Both companies invest heavily in R&D for new therapies and compete for market access and physician prescribing.
  • Roche Holding AG ($RHHBY) (Herceptin, Avastin, Rituxan (oncology), Ocrevus (neurology), Actemra (immunology), diagnostics), Roche is a global leader in oncology and immunology, directly competing with Pfizer's strong presence in these areas. They also have a significant diagnostics division, which complements their pharma business and provides a competitive edge in personalized medicine. Competition involves developing innovative treatments, securing regulatory approvals, and gaining market share in high-value therapeutic segments.
  • Novartis AG ($NVS) (Entresto (cardiovascular), Cosentyx (immunology), Kisqali (oncology), gene therapies), Novartis competes with Pfizer across a broad range of therapeutic areas, including oncology, cardiovascular, immunology, and neuroscience. They are known for their strong R&D pipeline and focus on innovative therapies, including gene therapies. Competition involves developing first-in-class or best-in-class drugs, securing intellectual property, and navigating complex global regulatory and market access landscapes.
  • AstraZeneca PLC ($AZN) (Tagrisso, Imfinzi (oncology), Farxiga (cardiovascular/renal/metabolic), Fasenra (respiratory)), AstraZeneca is a strong competitor, especially in oncology, cardiovascular, renal & metabolism (CVRM), and respiratory diseases. Their oncology portfolio directly challenges Pfizer's. They compete through R&D innovation, clinical trial success, and global commercialization efforts to capture market share in key disease areas.
Moat:
Pfizer's competitive moat primarily stems from its vast and diversified intellectual property (IP) portfolio, its extensive global R&D capabilities that allow it to discover and develop novel therapies, and its massive global commercial infrastructure for manufacturing, distribution, and sales. Its strong financial position enables significant investment in R&D and strategic acquisitions. The pharmaceutical industry is intensely competitive. Pfizer faces competition from large, diversified pharmaceutical companies (like those listed above) that have similar R&D and commercial capabilities, often competing directly in the same therapeutic areas (e.g., oncology, immunology, vaccines). It also competes with biotechnology companies specializing in innovative therapies and generic drug manufacturers once patents expire. Pfizer's ability to maintain its moat depends on continuous innovation, successful navigation of clinical trials, effective patent defense, and strategic portfolio management to offset patent expirations with new blockbuster drugs. The industry is characterized by high barriers to entry but also intense rivalry among established players.
Income Statements:
Quarterly
Annual
    Unit: USD2026-03-29 2025-12-31 2025-09-28 2025-06-29 2025-03-30 2024-12-31 2024-09-29 2024-06-30 2024-03-31 2023-12-31 2023-10-01 2023-07-02 2023-04-02 2022-12-31 2022-10-02 2022-07-03 2022-04-03 2021-12-31 2021-10-03 2021-07-04 2021-04-04 2020-12-31 2020-09-27 2020-06-28 2020-03-29 2019-09-29 2019-06-30 2019-03-31 2018-09-30 2018-07-01 2018-04-01 2017-10-01 2017-07-02 2017-04-02 2016-10-02 2016-07-03 2016-04-03 2015-09-27 2015-06-28 2015-03-29 
                                            
      revenues:
                                            
      product revenues
    11,715,000,000 14,495,000,000 13,920,000,000 11,954,000,000 11,294,000,000 15,085,000,000 15,417,000,000 10,871,000,000 12,443,000,000                                
      alliance revenues
    2,339,000,000 2,582,000,000 2,298,000,000 2,273,000,000 2,113,000,000 2,248,000,000 1,900,000,000 2,067,000,000 2,172,000,000                                
      royalty revenues
    396,000,000 480,000,000 436,000,000 426,000,000 308,000,000 431,000,000 384,000,000 345,000,000 263,000,000                                
      total revenues
    14,451,000,000 17,557,000,000 16,654,000,000 14,653,000,000 13,715,000,000 17,763,000,000 17,702,000,000 13,283,000,000 14,879,000,000 14,249,000,000 13,232,000,000 12,734,000,000 18,282,000,000 24,290,000,000 22,638,000,000 27,742,000,000 25,661,000,000 23,635,000,000 24,094,000,000 18,977,000,000 14,582,000,000 5,947,000,000 12,131,000,000 11,801,000,000 12,028,000,000 12,680,000,000 13,264,000,000 13,118,000,000 13,298,000,000 13,466,000,000 12,906,000,000 13,168,000,000 12,896,000,000 12,779,000,000 13,045,000,000 13,147,000,000 13,005,000,000 12,087,000,000 11,853,000,000 10,864,000,000 
      yoy
    5.37% -1.16% -5.92% 10.31% -7.82% 24.66% 33.78% 4.31% -18.61% -41.34% -41.55% -54.10% -28.76% 2.77% -6.04% 46.19% 75.98% 297.43% 98.62% 60.81% 21.23% -53.10% -8.54% -10.04% -9.55% -5.84% 2.77% -0.38% 3.12% 5.38% -1.07% 0.16% -0.84% 5.73% 10.06% 21.01%     
      qoq
    -17.69% 5.42% 13.66% 6.84% -22.79% 0.34% 33.27% -10.73% 4.42% 7.69% 3.91% -30.35% -24.73% 7.30% -18.40% 8.11% 8.57% -1.91% 26.96% 30.14% 145.20% -50.98% 2.80% -1.89% -5.14% -4.40% 1.11% -1.35% -1.25% 4.34% -1.99% 2.11% 0.92% -2.04% -0.78% 1.09% 7.59% 1.97% 9.10%  
      costs and expenses:
                                            
      cost of sales
    3,548,000,000 5,272,000,000 4,172,000,000 3,778,000,000 2,845,000,000 5,909,000,000 5,263,000,000 3,300,000,000 3,379,000,000 7,563,000,000 9,269,000,000 3,237,000,000 4,886,000,000 9,648,000,000 6,063,000,000 8,648,000,000 9,984,000,000 9,589,000,000 9,973,000,000 7,049,000,000 4,211,000,000 1,504,000,000 2,529,000,000 2,281,000,000 2,378,000,000 2,602,000,000 2,576,000,000 2,433,000,000 2,694,000,000 2,916,000,000 2,563,000,000 2,847,000,000 2,663,000,000 2,470,000,000 3,085,000,000 3,174,000,000 2,851,000,000 2,219,000,000 2,180,000,000 1,838,000,000 
      gross profit
    10,903,000,000 12,285,000,000 12,482,000,000 10,875,000,000 10,870,000,000 11,854,000,000 12,439,000,000 9,983,000,000 11,500,000,000 6,686,000,000 3,963,000,000 9,497,000,000 13,396,000,000 14,642,000,000 16,575,000,000 19,094,000,000 15,677,000,000 14,046,000,000 14,121,000,000 11,928,000,000 10,371,000,000 4,443,000,000 9,602,000,000 9,520,000,000 9,650,000,000 10,078,000,000 10,688,000,000 10,685,000,000 10,604,000,000 10,550,000,000 10,343,000,000 10,321,000,000 10,233,000,000 10,309,000,000 9,960,000,000 9,973,000,000 10,154,000,000 9,868,000,000 9,673,000,000 9,026,000,000 
      yoy
    0.30% 3.64% 0.35% 8.94% -5.48% 77.30% 213.88% 5.12% -14.15% -54.34% -76.09% -50.26% -14.55% 4.24% 17.38% 60.08% 51.16% 216.14% 47.06% 25.29% 7.47% -55.91% -10.16% -10.90% -9.00% -4.47% 3.34% 3.53% 3.63% 2.34% 3.85% 3.49% 0.78% 4.47% 2.97% 10.49%     
      qoq
    -11.25% -1.58% 14.78% 0.05% -8.30% -4.70% 24.60% -13.19% 72.00% 68.71% -58.27% -29.11% -8.51% -11.66% -13.19% 21.80% 11.61% -0.53% 18.39% 15.01% 133.42% -53.73% 0.86% -1.35% -4.25% -5.71% 0.03% 0.76% 0.51% 2.00% 0.21% 0.86% -0.74% 3.50% -0.13% -1.78% 2.90% 2.02% 7.17%  
      gross margin %
    75.45% 69.97% 74.95% 74.22% 79.26% 66.73% 70.27% 75.16% 77.29% 46.92% 29.95% 74.58% 73.27% 60.28% 73.22% 68.83% 61.09% 59.43% 58.61% 62.86% 71.12% 74.71% 79.15% 80.67% 80.23% 79.48% 80.58% 81.45% 79.74% 78.35% 80.14% 78.38% 79.35% 80.67% 76.35% 75.86% 78.08% 81.64% 81.61% 83.08% 
      selling, informational and administrative expenses
    2,961,000,000 4,162,000,000 3,186,000,000 3,415,000,000 3,031,000,000 4,274,000,000 3,244,000,000 3,717,000,000 3,495,000,000 4,575,000,000 3,281,000,000 3,497,000,000 3,418,000,000 4,645,000,000 3,391,000,000 3,048,000,000 2,593,000,000 4,086,000,000 2,905,000,000 2,928,000,000 2,783,000,000 2,696,000,000 3,016,000,000 3,030,000,000 2,873,000,000 3,260,000,000 3,511,000,000 3,339,000,000 3,494,000,000 3,542,000,000 3,412,000,000 3,500,000,000 3,425,000,000 3,308,000,000 3,559,000,000 3,471,000,000 3,385,000,000 3,270,000,000 3,386,000,000 3,104,000,000 
      research and development expenses
    2,490,000,000 3,206,000,000 2,546,000,000 2,482,000,000 2,203,000,000 3,035,000,000 2,598,000,000 2,696,000,000 2,493,000,000 2,815,000,000 2,711,000,000 2,648,000,000 2,505,000,000 3,615,000,000 2,696,000,000 2,815,000,000 2,301,000,000 5,909,000,000 3,447,000,000 2,459,000,000 2,014,000,000 3,189,000,000 2,360,000,000 2,132,000,000 1,724,000,000 2,283,000,000 1,842,000,000 1,703,000,000 2,008,000,000 1,797,000,000 1,743,000,000 1,859,000,000 1,780,000,000 1,708,000,000 1,881,000,000 1,748,000,000 1,731,000,000 1,722,000,000 1,734,000,000 1,885,000,000 
      acquired in-process research and development expenses
    137,000,000 212,000,000 1,390,000,000 2,000,000 9,000,000 88,000,000 13,000,000 6,000,000  72,000,000 67,000,000 33,000,000 21,000,000 73,000,000 524,000,000 1,000,000 355,000,000                        
      amortization of intangible assets
    1,183,000,000 1,230,000,000 1,223,000,000 1,211,000,000 1,211,000,000 1,359,000,000 1,312,000,000 1,307,000,000 1,308,000,000 1,267,000,000 1,179,000,000 1,184,000,000 1,103,000,000 1,131,000,000 822,000,000 822,000,000 835,000,000 916,000,000 981,000,000 931,000,000 872,000,000 748,000,000 898,000,000 905,000,000 885,000,000 1,212,000,000 1,184,000,000 1,183,000,000 1,253,000,000 1,191,000,000 1,196,000,000 1,177,000,000 1,208,000,000 1,186,000,000 968,000,000 961,000,000 1,006,000,000 937,000,000 872,000,000 940,000,000 
      restructuring charges and certain acquisition-related costs
    100,000,000 605,000,000 286,000,000 -18,000,000 678,000,000 750,000,000 313,000,000 1,254,000,000 102,000,000 2,566,000,000 155,000,000 214,000,000 9,000,000 795,000,000 199,000,000 189,000,000 192,000,000 134,000,000 646,000,000 -1,000,000 23,000,000 165,000,000 4,000,000 362,000,000 69,000,000 365,000,000  46,000,000 85,000,000 44,000,000 43,000,000 149,000,000 70,000,000 157,000,000 531,000,000 316,000,000 141,000,000 581,000,000 86,000,000 60,000,000 
      other (income)/deductions––net
    861,000,000 4,514,000,000 517,000,000 739,000,000 953,000,000 2,358,000,000 243,000,000 1,107,000,000 680,000,000 -479,000,000 -79,000,000 -347,000,000 70,000,000 -846,000,000 -59,000,000 772,000,000 350,000,000 -1,181,000,000 -1,696,000,000 -998,000,000 -1,004,000,000 162,000,000 1,148,000,000  221,000,000 319,000,000 126,000,000 92,000,000    51,000,000   1,417,000,000 1,068,000,000 330,000,000 661,000,000 55,000,000  
      income from continuing operations before provision for taxes on income
    3,170,000,000 -1,642,000,000 3,334,000,000 3,044,000,000 2,785,000,000 -10,000,000 4,715,000,000 -103,000,000 3,421,000,000 -4,129,000,000 -3,352,000,000 2,269,000,000 6,270,000,000 5,231,000,000 9,001,000,000 11,447,000,000 9,050,000,000 5,032,000,000 7,836,000,000 6,609,000,000 5,683,000,000 2,503,500,000 2,176,000,000 3,953,000,000 3,885,000,000 10,727,000,000  4,323,000,000   4,127,000,000 3,585,000,000 3,815,000,000  1,604,000,000 2,410,000,000 3,561,000,000 2,697,000,000  3,082,000,000 
      yoy
    13.82% 16320.00% -29.29% -3055.34% -18.59% -99.76% -240.66% -104.54% -45.44% -178.93% -137.24% -80.18% -30.72% 3.95% 14.87% 73.20% 59.25% 101.00% 260.11% 67.19% 46.28% -76.66%  -8.56%    20.59%   157.29% 48.76% 7.13%   -21.80%     
      qoq
    -293.06% -149.25% 9.53% 9.30% -27950.00% -100.21% -4677.67% -103.01% -182.85% 23.18% -247.73% -63.81% 19.86% -41.88% -21.37% 26.49% 79.85% -35.78% 18.57% 16.29% 127.00% 15.05% -44.95% 1.75% -63.78%      15.12% -6.03%   -33.44% -32.32% 32.04%    
      operating margin %
    21.94% -9.35% 20.02% 20.77% 20.31% -0.06% 26.64% -0.78% 22.99% -28.98% -25.33% 17.82% 34.30% 21.54% 39.76% 41.26% 35.27% 21.29% 32.52% 34.83% 38.97% 42.10% 17.94% 33.50% 32.30% 84.60% 0% 32.95% 0% 0% 31.98% 27.23% 29.58% 0% 12.30% 18.33% 27.38% 22.31% 0% 28.37% 
      provision for taxes on income
    461,000,000 -2,000,000 -216,000,000 141,000,000 -189,000,000 -421,000,000 234,000,000 -134,000,000 293,000,000 -795,000,000 -964,000,000 -71,000,000 715,000,000 230,000,000 356,000,000 1,570,000,000 1,172,000,000 379,500,000 -331,000,000 1,043,000,000 805,000,000 242,000,000 -26,000,000 519,000,000 475,000,000 3,047,000,000  433,000,000   556,000,000 727,000,000 739,000,000  284,000,000 375,000,000 535,000,000 567,000,000  706,000,000 
      income from continuing operations
    2,709,000,000 -1,640,000,000 3,550,000,000 2,903,000,000 2,973,000,000 411,000,000 4,481,000,000 31,000,000 3,128,000,000 -3,335,000,000 -2,388,000,000 2,340,000,000 5,555,000,000 5,001,000,000 8,645,000,000 9,877,000,000 7,879,000,000 3,849,000,000 8,167,000,000 5,565,000,000 4,877,000,000 -2,025,000,000 2,202,000,000 3,434,000,000 3,410,000,000 7,680,000,000 5,056,000,000 3,889,000,000 4,111,000,000 3,879,000,000 3,571,000,000 2,858,000,000 3,077,000,000 3,130,000,000 1,320,000,000 2,035,000,000 3,026,000,000 2,130,000,000 2,635,000,000 2,376,000,000 
      discontinued operations––net of tax
    -13,000,000   25,000,000  7,000,000 -8,000,000 17,000,000 -5,000,000 -26,000,000 12,000,000 -2,000,000 1,000,000 2,000,000 -21,000,000 34,000,000 -9,000,000         4,000,000   11,000,000    2,000,000   1,000,000  8,000,000 1,000,000 5,000,000 
      net income before allocation to noncontrolling interests
    2,696,000,000 -1,640,000,000 3,550,000,000 2,928,000,000 2,973,000,000 418,000,000 4,473,000,000 48,000,000 3,123,000,000 -3,360,000,000 -2,376,000,000 2,338,000,000 5,556,000,000 5,003,000,000 8,623,000,000 9,911,000,000 7,870,000,000 3,392,000,000 8,159,000,000 5,589,000,000 4,886,000,000 606,000,000 2,202,000,000 3,434,000,000 3,410,000,000 7,684,000,000 5,056,000,000 3,889,000,000 4,122,000,000 3,879,000,000 3,570,000,000 2,858,000,000 3,078,000,000 3,130,000,000 1,319,000,000 2,035,000,000 3,026,000,000 2,139,000,000 2,635,000,000 2,381,000,000 
      less: net income attributable to noncontrolling interests
    8,000,000 8,000,000 9,000,000 18,000,000 6,000,000 8,000,000 8,000,000 7,000,000 8,000,000 9,000,000 6,000,000 11,000,000 13,000,000 8,000,000 15,000,000 6,000,000 6,000,000 -2,000,000 12,000,000 26,000,000 9,000,000 11,000,000 8,000,000 8,000,000 9,000,000 4,000,000 10,000,000 6,000,000 8,000,000 7,000,000 9,000,000 18,000,000 5,000,000 9,000,000  16,000,000 9,000,000 9,000,000 9,000,000 6,000,000 
      net income attributable to pfizer inc. common shareholders
    2,687,000,000 -1,648,000,000 3,541,000,000 2,910,000,000 2,967,000,000 410,000,000 4,465,000,000 41,000,000 3,115,000,000 -3,369,000,000 -2,382,000,000 2,327,000,000 5,543,000,000 4,994,000,000 8,608,000,000 9,906,000,000 7,864,000,000 3,393,000,000 8,146,000,000 5,563,000,000 4,877,000,000 9,614,380,000 390,000 620,000 610,000 1,380,000 910,000 690,000 700,000 660,000 600,000 480,000 520,000 520,000 220,000 330,000 490,000 350,000 430,000 380,000 
      yoy
    -9.44% -501.95% -20.69% 6997.56% -4.75% -112.17% -287.45% -98.24% -43.80% -167.46% -127.67% -76.51% -29.51% 47.19% 5.67% 78.07% 61.25% -64.71% 2088617.95% 897158.06% 799408.20% 696594.20% -57.14% -10.14% -12.86% 109.09% 51.67% 43.75% 34.62% 26.92% 172.73% 45.45% 6.12% 48.57% -48.84% -13.16%     
      qoq
    -263.05% -146.54% 21.68% -1.92% 623.66% -90.82% 10790.24% -98.68% -192.46% 41.44% -202.36% -58.02% 10.99% -41.98% -13.10% 25.97% 131.77% -58.35% 46.43% 14.07% -49.27% 2465125.64% -37.10% 1.64% -55.80% 51.65% 31.88% -1.43% 6.06% 10.00% 25.00% -7.69% 0.00% 136.36% -33.33% -32.65% 40.00% -18.60% 13.16%  
      net income margin %
    18.59% -9.39% 21.26% 19.86% 21.63% 2.31% 25.22% 0.31% 20.94% -23.64% -18.00% 18.27% 30.32% 20.56% 38.02% 35.71% 30.65% 14.36% 33.81% 29.31% 33.45% 161.67% 0.00% 0.01% 0.01% 0.01% 0.01% 0.01% 0.01% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 
      earnings per common share––basic:
                                            
      income from continuing operations attributable to pfizer inc. common shareholders
    480,000 -290,000 620,000 510,000 520,000 70,000 790,000 10,000 550,000 -590,000 -420,000 410,000 980,000 890,000 1,540,000 1,760,000 1,400,000 680,000 1,450,000 990,000 870,000 -360,000 390,000 620,000 610,000 1,380,000 910,000 690,000 700,000 660,000 600,000 480,000 520,000 520,000 220,000 330,000 490,000 340,000 430,000 380,000 
      earnings per common share––diluted:
                                            
      weighted-average shares––basic
    5,691,000,000 5,683,000,000 5,685,000,000 5,685,000,000 5,675,000,000 5,664,000,000 5,667,000,000 5,666,000,000 5,657,000,000 5,643,000,000 5,646,000,000 5,646,000,000 5,634,000,000 5,608,000,000 5,607,000,000 5,593,000,000 5,617,000,000 5,601,000,000 5,609,000,000 5,598,000,000 5,584,000,000 5,555,000,000 5,557,000,000 5,554,000,000 5,545,000,000 5,545,000,000 5,562,000,000 5,635,000,000 5,875,000,000 5,866,000,000 5,957,000,000 5,951,000,000 5,958,000,000 6,006,000,000 6,066,000,000 6,068,000,000 6,150,000,000 6,168,000,000 6,159,000,000 6,203,000,000 
      weighted-average shares––diluted
    5,731,000,000 5,713,000,000 5,714,000,000 5,706,000,000 5,710,000,000 5,700,000,000 5,705,000,000 5,696,000,000 5,697,000,000 5,709,000,000 5,646,000,000 5,713,000,000 5,727,000,000 5,733,000,000 5,718,000,000 5,712,000,000 5,758,000,000 5,708,000,000 5,725,000,000 5,678,000,000 5,662,000,000 5,632,000,000 5,633,000,000 5,619,000,000 5,613,000,000 5,649,000,000 5,672,000,000 5,750,000,000 5,986,000,000 5,952,000,000 6,057,000,000 6,041,000,000 6,037,000,000 6,092,000,000 6,138,000,000 6,137,000,000 6,214,000,000 6,243,000,000 6,243,000,000 6,292,000,000 
      (gain) on completion of consumer healthcare jv transaction
                                            
      income from discontinued operations––net of tax
                     6,000,000 -9,000,000 24,000,000 9,000,000                    
      net income attributable to pfizer inc.
                         2,255,500,000 2,194,000,000 3,426,000,000 3,401,000,000 7,680,000,000 5,046,000,000 3,884,000,000 4,114,000,000 3,872,000,000 3,561,000,000 2,840,000,000 3,073,000,000 3,121,000,000 1,320,000,000 2,019,000,000 3,016,000,000 2,130,000,000 2,626,000,000 2,376,000,000 
      income from continuing operations before provision/(benefit) for taxes on income
                              4,141,000,000              
      provision/(benefit) for taxes on income
                                            
      income from continuing operations before benefit from taxes on income
                                4,177,000,000 4,527,000,000    3,951,000,000     3,539,000,000  
      benefit from taxes on income
                                66,000,000 648,000,000    821,000,000     905,000,000  
      cash dividends paid per common share
                                340,000 340,000 340,000 320,000 320,000 320,000 300,000 300,000 300,000 280,000 280,000 280,000 
      earnings per common share––basic
                                            
      earnings per common share––diluted
                                            
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2026-03-29 2025-12-31 2025-09-28 2025-06-29 2025-03-30 2024-12-31 2024-09-29 2024-06-30 2024-03-31 2023-12-31 2023-10-01 2023-07-02 2023-04-02 2022-12-31 2022-10-02 2022-07-03 2022-04-03 2021-12-31 2021-10-03 2021-07-04 2021-04-04 2020-12-31 2020-09-27 2020-06-28 2020-03-29 2019-09-29 2019-06-30 2019-03-31 2018-09-30 2018-07-01 2018-04-01 2017-10-01 2017-07-02 2017-04-02 2016-10-02 2016-07-03 2016-04-03 2015-09-27 2015-06-28 2015-03-29 
                                              
        assets
                                              
        cash and cash equivalents
      1,703,000,000 1,142,000,000 1,343,000,000 1,638,000,000 1,430,000,000 1,043,000,000 1,092,000,000 1,052,000,000 719,000,000 2,853,000,000 3,148,000,000 2,632,000,000 2,166,000,000 416,000,000 1,298,000,000 1,780,000,000 2,470,000,000 1,944,000,000 1,966,000,000 2,372,000,000 1,768,000,000 1,784,000,000 1,587,000,000 1,801,000,000 2,151,000,000 2,785,000,000 1,784,000,000 1,937,000,000 3,559,000,000 2,704,000,000 2,302,000,000 2,779,000,000 2,585,000,000 4,057,000,000 2,094,000,000 3,411,000,000 2,561,000,000 3,099,000,000 3,670,000,000 3,563,000,000 
        short-term investments
      11,372,000,000 12,454,000,000 13,641,000,000 11,611,000,000 15,887,000,000 19,434,000,000 8,860,000,000 6,048,000,000 11,209,000,000 9,837,000,000 41,033,000,000 42,153,000,000 17,806,000,000 22,316,000,000 34,825,000,000 31,524,000,000 21,427,000,000 29,125,000,000 27,730,000,000 19,328,000,000 11,899,000,000 10,437,000,000 8,912,000,000 9,581,000,000 8,199,000,000 6,302,000,000 11,128,000,000 9,682,000,000 13,680,000,000 10,727,000,000 9,119,000,000 14,146,000,000 11,748,000,000 10,503,000,000 12,277,000,000 17,531,000,000 16,882,000,000 17,559,000,000 26,586,000,000 24,145,000,000 
        trade accounts receivable, net of allowance for doubtful accounts: 2026—425; 2025—427
      12,585,000,000                                        
        inventories
      10,667,000,000 10,654,000,000 11,468,000,000 11,669,000,000 10,852,000,000 10,851,000,000 11,721,000,000 11,447,000,000 10,892,000,000 10,189,000,000 10,204,000,000 10,310,000,000 9,541,000,000 8,981,000,000 9,513,000,000 10,454,000,000 9,979,000,000 9,059,000,000 8,640,000,000 8,948,000,000 8,493,000,000 8,046,000,000 9,295,000,000 8,564,000,000 8,423,000,000 8,222,000,000 8,233,000,000 8,029,000,000 8,184,000,000 8,074,000,000 8,148,000,000 7,925,000,000 7,584,000,000 7,415,000,000 7,507,000,000 7,614,000,000 7,578,000,000 7,678,000,000 5,796,000,000 5,786,000,000 
        current tax assets
      3,588,000,000 3,967,000,000 3,855,000,000 4,016,000,000 2,900,000,000 3,314,000,000 3,243,000,000 3,694,000,000 4,233,000,000 3,978,000,000 3,917,000,000 3,194,000,000 3,140,000,000 3,577,000,000 2,544,000,000 2,583,000,000 3,117,000,000 4,266,000,000 3,877,000,000 3,761,000,000 3,419,000,000 3,264,000,000 4,000,000,000 3,426,000,000 3,346,000,000 3,730,000,000 3,723,000,000 3,598,000,000 3,686,000,000 3,582,000,000 3,624,000,000 3,263,000,000 3,113,000,000 2,791,000,000 2,825,000,000 3,127,000,000 2,888,000,000    
        other current assets
      2,908,000,000 2,808,000,000 2,358,000,000 2,690,000,000 2,947,000,000 4,253,000,000 3,855,000,000 4,190,000,000 4,372,000,000 5,299,000,000 4,624,000,000 4,828,000,000 5,120,000,000 5,017,000,000 6,149,000,000 5,970,000,000 4,202,000,000 3,820,000,000 3,790,000,000 3,818,000,000 4,091,000,000 3,438,000,000 2,519,000,000 2,513,000,000 2,737,000,000 2,954,000,000 2,535,000,000 2,567,000,000 2,450,000,000 2,343,000,000 2,126,000,000 2,158,000,000 1,877,000,000 2,218,000,000 2,843,000,000 3,023,000,000 2,355,000,000 2,248,000,000 2,449,000,000 2,815,000,000 
        total current assets
      42,822,000,000 42,898,000,000 46,924,000,000 43,703,000,000 45,861,000,000 50,358,000,000 43,223,000,000 37,825,000,000 42,415,000,000 43,333,000,000 74,012,000,000 73,347,000,000 50,078,000,000 51,259,000,000 70,403,000,000 67,466,000,000 54,420,000,000 59,693,000,000 57,900,000,000 48,814,000,000 39,533,000,000 35,067,000,000 47,739,000,000 46,424,000,000 34,738,000,000 33,459,000,000 47,073,000,000 45,290,000,000 41,583,000,000 37,303,000,000 34,835,000,000 40,291,000,000 36,385,000,000 35,878,000,000 38,501,000,000 43,845,000,000 41,298,000,000 45,001,000,000 51,715,000,000 49,443,000,000 
        long-term investments
      1,626,000,000 1,621,000,000 2,137,000,000 1,896,000,000 1,789,000,000 2,010,000,000 2,180,000,000 3,119,000,000 3,490,000,000 3,731,000,000 3,214,000,000 3,644,000,000 3,568,000,000 4,036,000,000 4,062,000,000 4,163,000,000 4,742,000,000 5,054,000,000 5,248,000,000 4,334,000,000 3,696,000,000 3,406,000,000 3,059,000,000 3,142,000,000 2,696,000,000 2,723,000,000 2,905,000,000 2,859,000,000 6,444,000,000 6,595,000,000 6,945,000,000 7,311,000,000 7,008,000,000 7,346,000,000 9,507,000,000 13,124,000,000 14,146,000,000 16,233,000,000 17,650,000,000 18,289,000,000 
        property, plant and equipment, net of accumulated depreciation
      19,402,000,000  18,880,000,000 18,776,000,000 18,347,000,000                                    
        identifiable intangible assets
      52,559,000,000 53,731,000,000 51,324,000,000 52,702,000,000 53,976,000,000 55,411,000,000 59,986,000,000 61,240,000,000 62,829,000,000 64,900,000,000 40,224,000,000 41,406,000,000 42,002,000,000 43,370,000,000 28,151,000,000 29,065,000,000 29,816,000,000 25,146,000,000 26,306,000,000 27,323,000,000 27,974,000,000 28,471,000,000                   
        goodwill
      71,409,000,000 71,264,000,000 69,101,000,000 68,997,000,000 68,444,000,000 68,527,000,000 68,570,000,000 68,445,000,000 69,297,000,000 67,783,000,000 51,527,000,000 51,572,000,000 51,476,000,000 51,375,000,000 49,441,000,000 49,891,000,000 50,211,000,000 49,208,000,000 49,489,000,000 49,867,000,000 49,791,000,000 49,577,000,000 59,902,000,000 58,449,000,000 58,502,000,000 58,665,000,000 53,352,000,000 53,487,000,000 55,614,000,000 55,836,000,000 56,393,000,000 56,078,000,000 55,014,000,000 54,656,000,000 56,281,000,000 50,600,000,000 48,558,000,000 47,217,000,000 41,571,000,000 41,854,000,000 
        noncurrent deferred tax assets and other noncurrent tax assets
      9,965,000,000 9,699,000,000 11,048,000,000 10,343,000,000 9,542,000,000 8,662,000,000 7,909,000,000 7,867,000,000 4,942,000,000 3,706,000,000 8,350,000,000 8,261,000,000 7,302,000,000 6,693,000,000 7,136,000,000 7,002,000,000 5,668,000,000 3,341,000,000 2,755,000,000 2,694,000,000 2,537,000,000 2,383,000,000 2,649,000,000 2,360,000,000 2,207,000,000 1,984,000,000 1,935,000,000 1,946,000,000 1,875,000,000 1,848,000,000 1,883,000,000 1,858,000,000 1,952,000,000 1,909,000,000 1,859,000,000 1,805,000,000 1,738,000,000 1,512,000,000 1,450,000,000 1,477,000,000 
        other noncurrent assets
      9,834,000,000 9,631,000,000 9,317,000,000 9,455,000,000 9,845,000,000 9,817,000,000 10,486,000,000 10,710,000,000 11,197,000,000 12,471,000,000 8,808,000,000 13,028,000,000 12,965,000,000 13,163,000,000 10,890,000,000 7,659,000,000 7,879,000,000 7,679,000,000 6,705,000,000 6,056,000,000 4,744,000,000 4,569,000,000 4,355,000,000 4,327,000,000 4,166,000,000 4,920,000,000 4,388,000,000 4,333,000,000 2,980,000,000 2,896,000,000 2,896,000,000 3,388,000,000 3,466,000,000 3,329,000,000 4,759,000,000 4,618,000,000 4,003,000,000 3,911,000,000 3,635,000,000 3,716,000,000 
        total assets
      207,618,000,000 208,160,000,000 208,731,000,000 206,095,000,000 208,028,000,000 213,396,000,000 219,476,000,000 216,193,000,000 221,095,000,000 226,501,000,000 215,021,000,000 220,168,000,000 195,617,000,000 197,205,000,000 195,350,000,000 195,290,000,000 183,841,000,000 181,476,000,000 179,188,000,000 169,920,000,000 158,818,000,000 154,229,000,000 178,983,000,000 177,934,000,000 166,336,000,000 170,446,000,000 156,199,000,000 155,421,000,000 167,838,000,000 164,980,000,000 164,612,000,000 172,151,000,000 168,558,000,000 168,784,000,000 178,430,000,000 170,658,000,000 162,929,000,000 170,867,000,000 160,878,000,000 160,640,000,000 
        liabilities and equity
                                              
        short-term borrowings, including current portion of long-term debt: 2026—3,861; 2025—2,997
      3,890,000,000                                        
        trade accounts payable
      4,506,000,000 5,240,000,000 5,024,000,000 5,166,000,000 5,240,000,000 5,633,000,000 5,314,000,000 5,106,000,000 5,591,000,000 6,710,000,000 5,338,000,000 6,081,000,000 6,123,000,000 6,809,000,000 6,267,000,000 6,208,000,000 5,506,000,000 5,578,000,000 4,698,000,000 4,327,000,000 4,064,000,000 4,309,000,000 4,141,000,000 3,872,000,000 3,972,000,000 3,942,000,000 4,002,000,000 4,156,000,000 4,297,000,000 4,196,000,000 3,879,000,000 3,480,000,000 3,439,000,000 3,393,000,000 3,476,000,000 3,261,000,000 3,125,000,000 3,294,000,000 2,930,000,000 2,724,000,000 
        dividends payable
       2,445,000,000  2,445,000,000  2,437,000,000  2,380,000,000  2,372,000,000  2,315,000,000  2,303,000,000 2,245,000,000 2,245,000,000  2,249,000,000 2,191,000,000 2,184,000,000  2,162,000,000 2,112,000,000 2,111,000,000  1,992,000,000 1,991,000,000  1,963,000,000 1,980,000,000  1,909,000,000 1,904,000,000  1,821,000,000 1,820,000,000  1,728,000,000 1,726,000,000  
        income taxes payable
      3,130,000,000 3,103,000,000 3,799,000,000 3,675,000,000 3,105,000,000 2,910,000,000 2,877,000,000 2,884,000,000 3,192,000,000 2,349,000,000 1,898,000,000 2,928,000,000 1,969,000,000 1,587,000,000 3,071,000,000 3,350,000,000 3,177,000,000 1,266,000,000 4,496,000,000 1,742,000,000 1,401,000,000 1,049,000,000 1,430,000,000 1,445,000,000 1,150,000,000 1,892,000,000 1,536,000,000 1,849,000,000 2,781,000,000 2,481,000,000 1,614,000,000 1,003,000,000 552,000,000 790,000,000 1,158,000,000 647,000,000 920,000,000 1,178,000,000 1,057,000,000 944,000,000 
        accrued compensation and related items
      2,715,000,000 3,610,000,000 3,036,000,000 2,447,000,000 2,607,000,000 3,838,000,000 3,383,000,000 2,566,000,000 2,192,000,000 2,776,000,000 2,372,000,000 1,972,000,000 2,277,000,000 3,407,000,000 2,852,000,000 1,997,000,000 2,249,000,000 3,332,000,000 2,571,000,000 2,015,000,000 1,985,000,000 3,058,000,000 2,425,000,000 2,042,000,000 2,246,000,000 2,369,000,000 1,875,000,000 1,797,000,000 2,096,000,000 1,791,000,000 1,911,000,000 1,932,000,000 1,625,000,000 1,858,000,000 2,048,000,000 1,594,000,000 1,725,000,000 2,155,000,000 1,646,000,000 1,679,000,000 
        other current liabilities
      20,108,000,000 18,648,000,000 19,509,000,000 18,575,000,000 20,016,000,000 19,720,000,000 19,917,000,000 16,410,000,000 18,788,000,000 20,537,000,000 16,776,000,000 16,079,000,000 20,255,000,000 22,568,000,000 19,647,000,000 23,816,000,000 24,583,000,000 24,939,000,000 20,690,000,000 17,217,000,000 12,798,000,000 12,640,000,000 10,683,000,000 10,168,000,000 10,515,000,000 10,160,000,000 10,110,000,000 10,276,000,000 10,490,000,000 10,125,000,000 10,950,000,000 10,446,000,000 10,148,000,000 11,143,000,000 12,623,000,000 11,053,000,000 11,419,000,000 9,672,000,000 8,390,000,000 8,320,000,000 
        total current liabilities
      34,348,000,000 36,984,000,000 36,596,000,000 37,726,000,000 36,452,000,000 42,995,000,000 43,211,000,000 43,819,000,000 40,497,000,000 47,794,000,000 31,136,000,000 34,647,000,000 36,562,000,000 42,138,000,000 44,314,000,000 47,410,000,000 39,268,000,000 42,671,000,000 41,803,000,000 35,664,000,000 26,652,000,000 25,920,000,000 34,154,000,000 32,723,000,000 33,890,000,000 36,974,000,000 32,030,000,000 29,423,000,000 29,013,000,000 32,156,000,000 27,365,000,000 28,217,000,000 27,182,000,000 24,864,000,000 34,759,000,000 32,099,000,000 28,735,000,000 27,845,000,000 24,143,000,000 20,222,000,000 
        long-term debt
      60,565,000,000 61,641,000,000 57,409,000,000 57,502,000,000 57,639,000,000 57,405,000,000 58,002,000,000 57,506,000,000 61,307,000,000 61,538,000,000 61,048,000,000 61,356,000,000 31,704,000,000 32,884,000,000 32,629,000,000 34,294,000,000 35,656,000,000 36,195,000,000 36,250,000,000 35,354,000,000 35,347,000,000 37,133,000,000 49,785,000,000 50,529,000,000 36,281,000,000 36,044,000,000 36,168,000,000 35,733,000,000 33,652,000,000 28,935,000,000 31,831,000,000 34,503,000,000 34,191,000,000 36,330,000,000 30,437,000,000 30,457,000,000 27,824,000,000 29,079,000,000 26,729,000,000 29,370,000,000 
        pension and postretirement benefit obligations
      1,984,000,000 2,041,000,000 2,157,000,000 2,130,000,000 2,021,000,000 2,115,000,000 2,073,000,000 2,040,000,000 2,076,000,000 2,167,000,000 2,166,000,000 2,184,000,000 2,179,000,000 2,250,000,000                           
        noncurrent deferred tax liabilities
      2,412,000,000 2,401,000,000 2,467,000,000 2,481,000,000 2,258,000,000 2,122,000,000 2,158,000,000 2,227,000,000 931,000,000 640,000,000 1,125,000,000 1,232,000,000 1,067,000,000 1,023,000,000 616,000,000 558,000,000 655,000,000 349,000,000 328,000,000 4,161,000,000 4,355,000,000 4,063,000,000 4,542,000,000 5,409,000,000 5,268,000,000 6,724,000,000 3,180,000,000 3,591,000,000 5,512,000,000 5,743,000,000 5,967,000,000 30,411,000,000 30,879,000,000 30,857,000,000 31,687,000,000 28,300,000,000 26,547,000,000 28,654,000,000 24,659,000,000 24,474,000,000 
        other taxes payable
      3,705,000,000 3,591,000,000 3,401,000,000 3,313,000,000 5,724,000,000 6,112,000,000 5,905,000,000 6,532,000,000 8,603,000,000 8,534,000,000 8,099,000,000 8,052,000,000 9,860,000,000 9,812,000,000 9,701,000,000 10,990,000,000 11,574,000,000 11,331,000,000 11,336,000,000 11,259,000,000 11,759,000,000 11,560,000,000 11,720,000,000 11,468,000,000 12,212,000,000 12,504,000,000 12,421,000,000 14,712,000,000 15,289,000,000 15,597,000,000 16,605,000,000 4,304,000,000 4,096,000,000 4,027,000,000 4,767,000,000 4,116,000,000 4,053,000,000 4,452,000,000 4,359,000,000 4,293,000,000 
        other noncurrent liabilities
      14,200,000,000 14,725,000,000 13,605,000,000 13,931,000,000 13,297,000,000 14,150,000,000 15,569,000,000 16,095,000,000 15,122,000,000 16,539,000,000 14,242,000,000 13,403,000,000 13,009,000,000 13,180,000,000 12,239,000,000 11,311,000,000 10,508,000,000 9,743,000,000 9,201,000,000 8,228,000,000 6,677,000,000 6,669,000,000 6,851,000,000 6,812,000,000 6,812,000,000 6,381,000,000 6,183,000,000 6,346,000,000 6,367,000,000 5,947,000,000 5,644,000,000 6,388,000,000 6,440,000,000 6,918,000,000 6,059,000,000 5,518,000,000 5,180,000,000 4,987,000,000 5,310,000,000 5,644,000,000 
        total liabilities
      117,214,000,000 121,385,000,000 115,635,000,000 117,083,000,000 117,391,000,000 124,899,000,000 126,918,000,000 128,218,000,000 128,537,000,000 137,213,000,000 117,817,000,000 120,875,000,000 94,381,000,000 101,288,000,000 102,459,000,000 107,821,000,000 101,155,000,000 104,013,000,000 103,221,000,000 99,605,000,000 89,953,000,000 90,756,000,000 113,487,000,000 113,370,000,000 100,998,000,000 105,051,000,000 96,274,000,000 96,263,000,000 96,174,000,000 94,856,000,000 94,071,000,000 111,041,000,000 109,863,000,000 110,038,000,000 114,829,000,000 107,592,000,000 99,582,000,000 103,743,000,000 93,698,000,000 93,053,000,000 
        commitments and contingencies
                                              
        common stock
      482,000,000 481,000,000 481,000,000 481,000,000 481,000,000 480,000,000 480,000,000 480,000,000 480,000,000 478,000,000 478,000,000 478,000,000 478,000,000 476,000,000 476,000,000 476,000,000 476,000,000 473,000,000 473,000,000 472,000,000 472,000,000 470,000,000 470,000,000 470,000,000 470,000,000 468,000,000 468,000,000 468,000,000 466,000,000 465,000,000 465,000,000 463,000,000 463,000,000 463,000,000 461,000,000 461,000,000 460,000,000 459,000,000 458,000,000 458,000,000 
        additional paid-in capital
      94,773,000,000 94,469,000,000 94,248,000,000 94,053,000,000 93,856,000,000 93,603,000,000 93,477,000,000 93,197,000,000 92,997,000,000 92,631,000,000 92,496,000,000 92,329,000,000 92,153,000,000 91,802,000,000 91,359,000,000 91,183,000,000 90,844,000,000 90,591,000,000 89,973,000,000 89,336,000,000 89,002,000,000 88,674,000,000 88,161,000,000 87,886,000,000 87,680,000,000 87,099,000,000 86,963,000,000 86,635,000,000 85,828,000,000 84,898,000,000 84,599,000,000 83,827,000,000 83,373,000,000 83,111,000,000 82,534,000,000 82,138,000,000 81,443,000,000 80,763,000,000 80,407,000,000 80,004,000,000 
        treasury stock
      -115,190,000,000 -115,015,000,000 -115,011,000,000 -115,010,000,000 -115,008,000,000 -114,763,000,000 -114,760,000,000 -114,757,000,000 -114,755,000,000 -114,487,000,000 -114,485,000,000 -114,482,000,000 -114,473,000,000 -113,969,000,000 -113,945,000,000 -113,939,000,000 -113,931,000,000 -111,361,000,000 -111,359,000,000 -111,356,000,000 -111,349,000,000 -110,988,000,000 -110,980,000,000                  
        retained earnings
      117,238,000,000 114,610,000,000 121,150,000,000 117,609,000,000 119,590,000,000 116,725,000,000 121,059,000,000 116,596,000,000 121,318,000,000 118,353,000,000 126,411,000,000 128,796,000,000 131,102,000,000 125,656,000,000 122,967,000,000 116,608,000,000 111,193,000,000 103,394,000,000 102,252,000,000 96,346,000,000 95,158,000,000 96,770,000,000 100,284,000,000 100,203,000,000 101,000,000,000 100,113,000,000 94,440,000,000 93,388,000,000 91,995,000,000 89,860,000,000 89,961,000,000 75,043,000,000 74,107,000,000 74,847,000,000 72,846,000,000 73,350,000,000 74,971,000,000 74,019,000,000 73,620,000,000 74,471,000,000 
        accumulated other comprehensive loss
      -7,203,000,000 -8,069,000,000 -8,066,000,000 -8,438,000,000 -8,581,000,000 -7,842,000,000 -7,971,000,000 -7,816,000,000 -7,758,000,000 -7,961,000,000 -7,966,000,000 -8,102,000,000 -8,289,000,000 -8,304,000,000 -8,225,000,000 -7,119,000,000 -6,157,000,000 -5,897,000,000 -5,649,000,000 -4,758,000,000 -4,664,000,000 -11,688,000,000 -12,676,000,000                  
        total pfizer inc. shareholders’ equity
      90,101,000,000 86,476,000,000 92,801,000,000 88,695,000,000 90,338,000,000 88,203,000,000 92,286,000,000 87,700,000,000 92,282,000,000 89,014,000,000 96,934,000,000 99,019,000,000 100,970,000,000 95,661,000,000 92,631,000,000 87,208,000,000 82,424,000,000 77,201,000,000 75,691,000,000 70,042,000,000 68,620,000,000 63,238,000,000 65,259,000,000 64,336,000,000 65,026,000,000 65,103,000,000 59,568,000,000 58,806,000,000 71,319,000,000 69,778,000,000 70,184,000,000 60,770,000,000 58,368,000,000 58,435,000,000 63,306,000,000 62,769,000,000 63,068,000,000 66,838,000,000 66,894,000,000 67,304,000,000 
        equity attributable to noncontrolling interests
      303,000,000 299,000,000 295,000,000 317,000,000 299,000,000 294,000,000 272,000,000 275,000,000 276,000,000 274,000,000 270,000,000 274,000,000 266,000,000 256,000,000 259,000,000 261,000,000 261,000,000 262,000,000 275,000,000 273,000,000 245,000,000 235,000,000 236,000,000 228,000,000 312,000,000 293,000,000 357,000,000 352,000,000 346,000,000 346,000,000 358,000,000 340,000,000 326,000,000 311,000,000 294,000,000 297,000,000 279,000,000 286,000,000 286,000,000 283,000,000 
        total equity
      90,404,000,000 86,775,000,000 93,096,000,000 89,012,000,000 90,637,000,000 88,497,000,000 92,558,000,000 87,975,000,000 92,558,000,000 89,288,000,000 97,204,000,000 99,293,000,000 101,236,000,000 95,916,000,000 92,891,000,000 87,469,000,000 82,685,000,000 77,462,000,000 75,967,000,000 70,315,000,000 68,865,000,000 63,473,000,000 65,495,000,000 64,564,000,000 65,338,000,000 65,396,000,000 59,924,000,000 59,158,000,000 71,664,000,000 70,124,000,000 70,541,000,000 61,110,000,000 58,694,000,000 58,746,000,000 63,601,000,000 63,066,000,000 63,347,000,000 67,124,000,000 67,180,000,000 67,587,000,000 
        total liabilities and equity
      207,618,000,000 208,160,000,000 208,731,000,000 206,095,000,000 208,028,000,000 213,396,000,000 219,476,000,000 216,193,000,000 221,095,000,000 226,501,000,000 215,021,000,000 220,168,000,000 195,617,000,000 197,205,000,000 195,350,000,000 195,290,000,000 183,841,000,000 181,476,000,000 179,188,000,000 169,920,000,000 158,818,000,000 154,229,000,000 178,983,000,000 177,934,000,000 166,336,000,000 170,446,000,000 156,199,000,000 155,421,000,000 167,838,000,000 164,980,000,000 164,612,000,000 172,151,000,000 168,558,000,000 168,784,000,000 178,430,000,000 170,658,000,000 162,929,000,000 170,867,000,000 160,878,000,000 160,640,000,000 
        trade accounts receivable, net of allowance for doubtful accounts: 2025—427; 2024—438
       11,874,000,000   11,845,000,000                                    
        property, plant and equipment
       19,317,000,000    18,393,000,000 18,541,000,000 18,957,000,000 18,803,000,000 18,940,000,000 17,862,000,000 17,488,000,000 17,052,000,000 16,274,000,000 15,441,000,000 15,244,000,000 15,109,000,000 14,882,000,000 14,436,000,000 14,224,000,000 14,011,000,000 13,900,000,000 14,403,000,000 14,113,000,000 14,040,000,000 13,701,000,000 13,521,000,000 13,467,000,000 14,036,000,000 13,919,000,000 13,971,000,000 13,505,000,000 13,386,000,000 13,238,000,000 13,284,000,000 13,609,000,000 13,584,000,000 13,695,000,000 11,432,000,000 11,527,000,000 
        short-term borrowings, including current portion of long-term debt: 2025—2,997; 2024—3,747
       3,154,000,000                                       
        deferred revenues
       784,000,000 924,000,000 1,123,000,000 1,012,000,000 1,511,000,000 2,020,000,000 2,528,000,000 2,502,000,000 2,700,000,000 2,204,000,000 1,286,000,000 1,750,000,000 2,520,000,000 6,191,000,000 3,804,000,000 3,108,000,000 3,067,000,000 3,529,000,000 4,291,000,000 2,052,000,000                    
        trade accounts receivable, net of allowance for doubtful accounts: 2025—434; 2024—438
        14,260,000,000                                      
        short-term borrowings, including current portion of long-term debt: 2025—4,247; 2024—3,747
        4,303,000,000                                      
        trade accounts receivable, net of allowance for doubtful accounts: 2025—439; 2024—438
         12,078,000,000                                     
        equity-method investments
         224,000,000 224,000,000 217,000,000 8,582,000,000 8,029,000,000 8,123,000,000 11,637,000,000 11,025,000,000 11,422,000,000 11,175,000,000 11,033,000,000 9,826,000,000 14,799,000,000 15,995,000,000 16,472,000,000 16,349,000,000 16,608,000,000 16,532,000,000 16,856,000,000 15,949,000,000 15,578,000,000 15,524,000,000 15,999,000,000               
        short-term borrowings, including current portion of long-term debt: 2025—4,246; 2024—3,747
         4,295,000,000                                     
        short-term borrowings, including current portion of long-term debt: 2025—3,749; 2024—3,747
          4,470,000,000                                    
        trade accounts receivable, net of allowance for doubtful accounts: 2024—438; 2023—470
           11,463,000,000                                   
        short-term borrowings, including current portion of long-term debt: 2024—3,747; 2023—2,254
           6,946,000,000                                   
        trade accounts receivable, less allowance for doubtful accounts: 2024—465; 2023—470
            14,451,000,000                                  
        short-term borrowings, including current portion of long-term debt: 2024—3,746; 2023—2,254
            9,699,000,000                                  
        trade accounts receivable, less allowance for doubtful accounts: 2024—468; 2023—470
             11,393,000,000                                 
        short-term borrowings, including current portion of long-term debt: 2024—3,745; 2023—2,254
             11,944,000,000                                 
        trade accounts receivable, less allowance for doubtful accounts: 2024—479; 2023—470
              10,989,000,000                                
        short-term borrowings, including current portion of long-term debt: 2024—1,001; 2023—2,254
              8,232,000,000                                
        trade accounts receivable, less allowance for doubtful accounts: 2023—470; 2022—449
               11,177,000,000                               
        short-term borrowings, including current portion of long-term debt: 2023—2,254; 2022—2,560
               10,350,000,000                               
        preferred stock, no par value, at stated value; 27 shares authorized; no shares issued or outstanding as of december 31, 2023 and december 31, 2022
                                              
        trade accounts receivable, less allowance for doubtful accounts: 2023—465; 2022—449
                11,086,000,000  12,305,000,000                            
        short-term borrowings, including current portion of long-term debt: 2023—2,260; 2022—2,560
                2,548,000,000                              
        trade accounts receivable, less allowance for doubtful accounts: 2023—471; 2022—449
                 10,231,000,000                             
        short-term borrowings, including current portion of long-term debt: 2023—3,565; 2022—2,560
                 3,985,000,000                             
        short-term borrowings, including current portion of long-term debt: 2023—3,567; 2022—2,560
                  4,188,000,000                            
        trade accounts receivable, less allowance for doubtful accounts: 2022—449; 2021—492
                   10,952,000,000                           
        short-term borrowings, including current portion of long-term debt: 2022—2,560; 2021—1,636
                   2,945,000,000                           
        preferred stock, no par value, at stated value; 27 shares authorized; no shares issued or outstanding at december 31, 2022 and december 31, 2021
                                              
        trade accounts receivable, less allowance for doubtful accounts: 2022—474; 2021—492
                    16,076,000,000                          
        short-term borrowings, including current portion of long-term debt: 2022—2,566; 2021—1,636
                    4,040,000,000                          
        pension benefit obligations
                    2,738,000,000 3,030,000,000 3,261,000,000 3,489,000,000 3,676,000,000 4,305,000,000 4,526,000,000 4,766,000,000 5,350,000,000 5,344,000,000 5,442,000,000 5,103,000,000 4,982,000,000 5,125,000,000 4,886,000,000 5,006,000,000 5,171,000,000 5,531,000,000 5,371,000,000 5,300,000,000 5,312,000,000 5,224,000,000 5,264,000,000 6,745,000,000 6,529,000,000 6,571,000,000 
        postretirement benefit obligations
                    222,000,000 227,000,000 233,000,000 235,000,000 627,000,000 634,000,000 635,000,000 645,000,000 1,087,000,000 1,086,000,000 1,093,000,000 1,321,000,000 1,310,000,000 1,332,000,000 1,455,000,000 1,473,000,000 1,488,000,000 1,687,000,000 1,705,000,000 1,742,000,000 1,808,000,000 1,877,000,000 1,980,000,000 1,980,000,000 1,969,000,000 2,480,000,000 
        trade accounts receivable, less allowance for doubtful accounts: 2022—461; 2021—492
                     15,155,000,000                         
        short-term borrowings, including current portion of long-term debt: 2022—1,276; 2021—1,636
                     5,990,000,000                         
        trade accounts receivable, less allowance for doubtful accounts: 2022—492; 2021—492
                      13,225,000,000                        
        short-term borrowings, including current portion of long-term debt: 2022—260; 2021—1,636
                      645,000,000                        
        trade accounts receivable, less allowance for doubtful accounts: 2021—492; 2020—508
                       11,479,000,000                       
        short-term borrowings, including current portion of long-term debt: 2021—1,636; 2020—2,002
                       2,241,000,000                       
        preferred stock, no par value, at stated value; 27 shares authorized; no shares issued or outstanding at december 31, 2021 and december 31, 2020
                                              
        trade accounts receivable, less allowance for doubtful accounts: 2021—494; 2020—508
                        11,897,000,000                      
        short-term borrowings, including current portion of long-term debt: 2021—2,663; 2020—2,002
                        3,629,000,000                      
        trade accounts receivable, less allowance for doubtful accounts: 2021—500; 2020—508
                         10,587,000,000                     
        short-term borrowings, including current portion of long-term debt: 2021—3,687; 2020—2,002
                         3,888,000,000                     
        trade accounts receivable, less allowance for doubtful accounts: 2021—512; 2020—508
                          9,864,000,000                    
        short-term borrowings, including current portion of long-term debt: 2021—3,676; 2020—2,002
                          4,352,000,000                    
        trade accounts receivable, less allowance for doubtful accounts: 2020—508; 2019—493
                           7,930,000,000                   
        current assets of discontinued operations and other assets held for sale
                           167,000,000                   
        noncurrent assets of discontinued operations
                                              
        short-term borrowings, including current portion of long-term debt: 2020—2,002; 2019—1,462
                           2,703,000,000                   
        current liabilities of discontinued operations
                                              
        preferred stock, no par value, at stated value; 27 shares authorized; issued: 2020—0; 2019—431
                                              
        restricted short-term investments
                            11,413,000,000 11,412,000,000                 
        trade accounts receivable, less allowance for doubtful accounts: 2020—533; 2019—527
                            10,012,000,000                  
        identifiable intangible assets, less accumulated amortization
                            30,927,000,000 33,541,000,000 34,464,000,000 38,995,000,000 33,024,000,000 34,039,000,000 45,306,000,000 46,584,000,000 47,690,000,000 49,721,000,000 51,348,000,000 52,427,000,000 54,238,000,000 43,056,000,000 39,602,000,000 43,297,000,000 33,424,000,000 34,334,000,000 
        short-term borrowings, including current portion of long-term debt: 2020—2,149; 2019—1,462
                            13,363,000,000                  
        preferred stock
                              17,000,000 18,000,000 18,000,000 19,000,000 20,000,000 20,000,000 21,000,000 22,000,000 23,000,000 23,000,000 25,000,000 25,000,000 26,000,000 27,000,000 28,000,000 28,000,000 
        trade accounts receivable, less allowance for doubtful accounts: 2020—525; 2019—527
                             9,128,000,000                 
        short-term borrowings, including current portion of long-term debt: 2020—1,481; 2019—1,462
                             13,084,000,000                 
        trade accounts receivable, less allowance for doubtful accounts: 2020—527; 2019—527
                              9,881,000,000                
        short-term borrowings, including current portion of long-term debt: 2020—337; 2019—1,462
                              16,007,000,000                
        trade accounts receivable, less allowance for doubtful accounts: 2019—541; 2018—541
                               9,439,000,000               
        assets held for sale
                               29,000,000 9,877,000,000 9,877,000,000   64,000,000 16,000,000 3,000,000 3,000,000 1,119,000,000      
        short-term borrowings, including current portion of long-term debt: 2019—2,431; 2018—4,776
                               16,617,000,000               
        liabilities held for sale
                                2,009,000,000 1,935,000,000             
        trade accounts receivable, less allowance for doubtful accounts: 2019—540; 2018—541
                                9,793,000,000              
        short-term borrowings, including current portion of long-term debt: 2019—2,139; 2018—4,776
                                10,507,000,000              
        trade accounts receivable, less allowance for doubtful accounts: 2019—538; 2018—541
                                 9,599,000,000             
        short-term borrowings, including current portion of long-term debt: 2019—4,471; 2018—4,776
                                 9,410,000,000             
        trade accounts receivable, less allowance for doubtful accounts: 2018—567; 2017—584
                                  10,024,000,000            
        short-term borrowings, including current portion of long-term debt: 2018—4,255; 2017—3,546
                                  7,385,000,000            
        trade accounts receivable, less allowance for doubtful accounts: 2018—578; 2017—584
                                   9,873,000,000           
        short-term borrowings, including current portion of long-term debt: 2018—4,262; 2017—3,546
                                   11,583,000,000           
        trade accounts receivable, less allowance for doubtful accounts: 2018—597; 2017—584
                                    9,452,000,000          
        short-term borrowings, including current portion of long-term debt: 2018—4,763; 2017—3,546
                                    9,010,000,000          
        trade accounts receivable, less allowance for doubtful accounts: 2017—590; 2016—609
                                     10,002,000,000         
        short-term borrowings, including current portion of long-term debt: 2017—3,072; 2016—4,225
                                     9,448,000,000 9,514,000,000        
        trade accounts receivable, less allowance for doubtful accounts: 2017—579; 2016—609
                                      9,476,000,000        
        trade accounts receivable, less allowance for doubtful accounts: 2017—588; 2016—609
                                       8,892,000,000       
        short-term borrowings, including current portion of long-term debt: 2017—3,292; 2016—4,225
                                       7,680,000,000       
        trade accounts receivable, less allowance for doubtful accounts: 2016—672; 2015—384
                                        9,836,000,000      
        short-term borrowings, including current portion of long-term debt
                                        13,633,000,000 13,724,000,000 11,546,000,000 9,818,000,000 8,394,000,000 6,555,000,000 
        trade accounts receivable, less allowance for doubtful accounts: 2016—670; 2015—384
                                         9,138,000,000     
        trade accounts receivable, less allowance for doubtful accounts: 2016—649; 2015—384
                                          9,033,000,000    
        trade accounts receivable, less allowance for doubtful accounts: 2015—416; 2014—412
                                           9,535,000,000   
        current deferred tax assets and other current tax assets
                                           4,883,000,000 4,263,000,000 4,214,000,000 
        trade accounts receivable, less allowance for doubtful accounts: 2015—397; 2014—412
                                            8,951,000,000  
        trade accounts receivable, less allowance for doubtful accounts: 2015—444; 2014—412
                                             8,920,000,000 
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2026-03-29 2025-09-28 2025-06-29 2025-03-30 2024-12-31 2024-09-29 2024-06-30 2024-03-31 2023-12-31 2023-10-01 2023-07-02 2023-04-02 2022-12-31 2022-10-02 2022-07-03 2022-04-03 2021-12-31 2021-10-03 2021-07-04 2021-04-04 2020-12-31 2020-09-27 2020-06-28 2020-03-29 2019-09-29 2019-06-30 2019-03-31 2018-09-30 2018-07-01 2018-04-01 2017-10-01 2017-07-02 2017-04-02 2016-10-02 2016-07-03 2016-04-03 2015-09-27 2015-06-28 2015-03-29 
                                               
          operating activities
                                               
          net income before allocation to noncontrolling interests
        2,696,000,000 3,551,000,000 2,928,000,000 2,973,000,000 418,000,000 4,473,000,000 48,000,000 3,123,000,000 -3,360,000,000 -2,376,000,000 2,338,000,000 5,556,000,000 5,003,000,000 8,623,000,000 9,911,000,000 7,870,000,000 3,392,000,000 8,158,000,000 5,589,000,000 4,886,000,000 606,000,000 2,201,000,000 3,435,000,000 3,410,000,000 7,683,000,000 5,056,000,000 3,889,000,000 4,122,000,000 3,879,000,000 3,570,000,000 2,858,000,000 3,078,000,000 3,130,000,000 1,319,000,000 2,035,000,000 3,026,000,000 2,138,000,000 2,636,000,000 2,381,000,000 
          discontinued operations—net of tax
        -13,000,000   7,000,000 -8,000,000 17,000,000 -5,000,000 -26,000,000 12,000,000 -2,000,000 1,000,000 2,000,000 -22,000,000 35,000,000 -9,000,000                        
          net income from continuing operations before allocation to noncontrolling interests
        2,709,000,000 3,551,000,000 2,903,000,000 2,973,000,000 411,000,000 4,481,000,000 31,000,000 3,128,000,000 -3,335,000,000 -2,388,000,000 2,340,000,000 5,555,000,000 5,001,000,000 8,644,000,000 9,877,000,000 7,879,000,000 3,849,000,000 8,167,000,000 5,566,000,000 4,877,000,000                    
          adjustments to reconcile net income from continuing operations before allocation to noncontrolling interests to net cash from operating activities:
                                               
          depreciation and amortization
        1,613,000,000 1,662,000,000 1,625,000,000 1,618,000,000 1,791,000,000 1,755,000,000 1,731,000,000 1,736,000,000 1,670,000,000 1,560,000,000 1,573,000,000 1,487,000,000 1,519,000,000 1,183,000,000 1,175,000,000 1,187,000,000 1,277,000,000 1,360,000,000 1,328,000,000 1,226,000,000 1,046,000,000 1,262,000,000 1,251,000,000 1,218,000,000 1,553,000,000 1,528,000,000 1,545,000,000 1,614,000,000 1,562,000,000 1,567,000,000 1,566,000,000 1,574,000,000 1,555,000,000 1,396,000,000 1,387,000,000 1,425,000,000 1,272,000,000 1,201,000,000 1,260,000,000 
          asset write-offs and impairments
        32,000,000 366,000,000 154,000,000 344,000,000 3,162,000,000 649,000,000 295,000,000 136,000,000 2,909,000,000 172,000,000 57,000,000 270,000,000 263,000,000 229,000,000 27,000,000 31,000,000 161,000,000 38,000,000 31,000,000 46,000,000 1,059,000,000 932,000,000 13,000,000 45,000,000 46,000,000 23,000,000 155,000,000 47,000,000 34,000,000 7,000,000 229,000,000 62,000,000 35,000,000 163,000,000 837,000,000 146,000,000 822,000,000 31,000,000 11,000,000 
          deferred taxes
        -12,000,000 -765,000,000 -272,000,000 -663,000,000 -396,000,000 -482,000,000 -783,000,000 -441,000,000 -1,858,000,000 -113,000,000 -873,000,000 -598,000,000                            
          share-based compensation expense
        272,000,000 201,000,000 203,000,000 170,000,000 177,000,000 274,000,000 206,000,000 220,000,000 121,000,000 151,000,000 148,000,000 105,000,000 364,000,000 135,000,000 287,000,000 86,000,000 495,000,000 293,000,000 222,000,000 172,000,000 264,000,000 234,000,000 194,000,000 64,000,000 64,000,000 199,000,000 185,000,000 303,000,000 197,000,000 182,000,000 207,000,000 170,000,000 218,000,000 145,000,000 244,000,000 143,000,000 141,000,000 185,000,000 162,000,000 
          benefit plan contributions in excess of expense/income
        -173,000,000 -84,000,000 -105,000,000 -229,000,000 454,000,000 -128,000,000 -137,000,000 -201,000,000 -320,000,000 -145,000,000 -122,000,000 -200,000,000 -626,000,000 -386,000,000 258,000,000 -404,000,000 -1,190,000,000 -1,154,000,000 -406,000,000 -373,000,000 -147,000,000                   
          other adjustments
        -93,000,000 -292,000,000 -101,000,000 40,000,000 -1,805,000,000 -715,000,000 411,000,000 -151,000,000 -2,748,000,000 -427,000,000 -416,000,000 99,000,000 -723,000,000 211,000,000 455,000,000 815,000,000 275,000,000 -543,000,000 -1,014,000,000 -291,000,000 -322,000,000   123,000,000          -102,000,000 -59,000,000 229,000,000    
          other changes in assets and liabilities, net of acquisitions and divestitures
        -1,732,000,000 -36,000,000 -4,989,000,000 -1,919,000,000  879,000,000 -3,535,000,000 -3,336,000,000  -1,199,000,000 -3,916,000,000 -5,507,000,000  -4,109,000,000 -2,766,000,000 -730,000,000  6,418,000,000 5,725,000,000 -1,327,000,000                    
          net cash from operating activities
        2,615,000,000 4,603,000,000 -582,000,000 2,335,000,000 6,721,000,000 6,714,000,000 -1,781,000,000 1,090,000,000 5,240,000,000 3,456,000,000 -1,208,000,000 1,212,000,000 8,582,000,000 5,974,000,000 8,170,000,000 6,541,000,000 5,914,000,000 10,829,000,000 11,299,000,000 4,538,000,000 5,625,000,000 2,090,000,000 3,555,000,000 3,133,000,000 4,510,000,000 2,611,000,000 1,698,000,000 5,259,000,000 3,847,000,000 1,983,000,000 4,887,000,000 3,252,000,000 1,589,000,000 4,699,000,000 3,579,000,000 1,651,000,000 5,024,000,000 4,090,000,000 685,000,000 
          capital expenditures
        -436,000,000 -602,000,000 -618,000,000 -564,000,000 -917,000,000 -651,000,000 -637,000,000 -704,000,000 -1,044,000,000 -810,000,000 -914,000,000 -1,139,000,000 -1,001,000,000 -841,000,000 -751,000,000 -643,000,000 -993,000,000 -624,000,000 -540,000,000 -554,000,000 -785,000,000 
          free cash flows
        2,179,000,000 4,001,000,000 -1,200,000,000 1,771,000,000 5,804,000,000 6,063,000,000 -2,418,000,000 386,000,000 4,196,000,000 2,646,000,000 -2,122,000,000 73,000,000 7,581,000,000 5,133,000,000 7,419,000,000 5,898,000,000 4,921,000,000 10,205,000,000 10,759,000,000 3,984,000,000 4,840,000,000 2,090,000,000 3,555,000,000 3,133,000,000 4,510,000,000 2,611,000,000 1,698,000,000 5,259,000,000 3,847,000,000 1,983,000,000 4,887,000,000 3,252,000,000 1,589,000,000 4,699,000,000 3,579,000,000 1,651,000,000 5,024,000,000 4,090,000,000 685,000,000 
          investing activities
                                               
          purchases of property, plant and equipment
        -436,000,000 -602,000,000 -618,000,000 -564,000,000 -917,000,000 -651,000,000 -637,000,000 -704,000,000 -1,044,000,000 -810,000,000 -914,000,000 -1,139,000,000 -1,001,000,000 -841,000,000 -751,000,000 -643,000,000 -993,000,000 -624,000,000 -540,000,000 -554,000,000 -785,000,000                   
          purchases of short-term investments
        -2,569,000,000 -4,223,000,000 -3,262,000,000 -2,823,000,000 -6,176,000,000 -2,703,000,000 -457,000,000 -797,000,000 -836,000,000 -9,132,000,000 -14,341,000,000 -6,665,000,000 -6,683,000,000 -10,764,000,000 -10,179,000,000 -8,758,000,000 -12,177,000,000 -10,298,000,000 -9,928,000,000 -6,054,000,000 -4,496,000,000                   
          proceeds from redemptions/sales of short-term investments
        4,576,000,000 2,736,000,000 6,545,000,000 3,955,000,000 1,498,000,000 918,000,000 1,054,000,000 658,000,000 21,246,000,000 5,424,000,000 6,194,000,000 6,400,000,000 9,734,000,000 14,936,000,000 6,730,000,000 13,421,000,000 11,595,000,000 8,280,000,000 2,107,000,000 5,465,000,000 2,690,000,000 3,802,000,000 1,338,000,000 3,257,000,000 1,765,000,000 2,400,000,000 3,601,000,000 2,255,000,000 4,034,000,000 6,463,000,000 2,263,000,000 1,285,000,000 2,235,000,000 5,928,000,000 6,835,000,000 7,922,000,000 13,126,000,000 9,781,000,000 10,702,000,000 
          net (purchases of)/proceeds from redemptions/sales of short-term investments with original maturities of three months or less
        -792,000,000 -583,000,000 1,184,000,000 -3,852,000,000 487,000,000 -889,000,000 4,725,000,000 -1,187,000,000 11,276,000,000 5,115,000,000 -15,882,000,000 4,665,000,000 10,394,000,000 -7,724,000,000 -6,562,000,000 3,409,000,000 -936,000,000 -6,647,000,000 491,000,000 -996,000,000 11,661,000,000                   
          purchases of long-term investments
        -104,000,000 -129,000,000 48,000,000 -134,000,000 -105,000,000 33,000,000 -73,000,000 -35,000,000 -38,000,000 -74,000,000 -41,000,000 -51,000,000 -286,000,000 -303,000,000 -648,000,000 -676,000,000 -207,000,000 -761,000,000 -73,000,000 -27,000,000 -313,000,000                   
          proceeds from redemptions/sales of long-term investments
        88,000,000 359,000,000 63,000,000 82,000,000 29,000,000 1,229,000,000 7,000,000 305,000,000 1,790,000,000 17,000,000 48,000,000 124,000,000 195,000,000 220,000,000 174,000,000 52,000,000 80,000,000 272,000,000 41,000,000 256,000,000 75,000,000 112,000,000 384,000,000 152,000,000 -26,000,000 98,000,000 44,000,000 813,000,000 785,000,000 576,000,000 878,000,000 693,000,000 846,000,000 4,488,000,000 1,285,000,000 1,142,000,000 1,244,000,000 1,354,000,000 1,937,000,000 
          proceeds from sales of investment in haleon
         6,311,000,000                                    
          other investing activities
        22,000,000 14,000,000 -12,000,000 300,000,000 15,000,000 5,000,000   14,000,000 350,000,000 -525,000,000 -18,000,000 8,000,000 -109,000,000 -78,000,000 -13,000,000 65,000,000 -298,000,000 -235,000,000 163,000,000 80,000,000 175,000,000 15,000,000 4,000,000 -34,000,000 112,000,000 67,000,000 110,000,000 113,000,000 25,000,000 64,000,000 158,000,000 297,000,000 34,000,000 20,000,000 6,000,000 13,000,000 3,000,000 330,000,000 
          net cash from investing activities
        785,000,000 -2,430,000,000 3,951,000,000 3,274,000,000 -1,623,000,000 -2,057,000,000 4,600,000,000 1,732,000,000 -10,996,000,000 888,000,000 -25,485,000,000 3,315,000,000  -627,000,000 -11,313,000,000 567,000,000  -10,076,000,000 -8,137,000,000 -1,747,000,000      -1,902,000,000 7,550,000,000 -2,904,000,000 -1,474,000,000 9,667,000,000   4,772,000,000   4,355,000,000    
          financing activities
                                               
          payments on short-term borrowings
         -151,000,000 -2,048,000,000 -3,452,000,000 -2,922,000,000 -4,524,000,000 -328,000,000                               
          net (payments on)/proceeds from short-term borrowings with original maturities of three months or less
        -127,000,000 6,000,000 -517,000,000 -386,000,000 -1,489,000,000 938,000,000 -2,039,000,000 3,267,000,000 -128,000,000 -204,000,000 226,000,000 -1,092,000,000 491,000,000 599,000,000 -220,000,000 -361,000,000 764,000,000 -474,000,000 -25,000,000 -5,757,000,000                   
          cash dividends paid
        -2,445,000,000 -2,444,000,000 -2,445,000,000 -2,437,000,000 -2,380,000,000 -2,380,000,000 -2,380,000,000 -2,372,000,000 -2,315,000,000 -2,314,000,000 -2,315,000,000 -2,303,000,000 -2,245,000,000 -2,245,000,000 -2,244,000,000 -2,249,000,000 -2,189,000,000 -2,185,000,000 -2,183,000,000 -2,172,000,000 -2,112,000,000                   
          other financing activities
        -284,000,000 -38,000,000 -21,000,000 -356,000,000 -14,000,000 -6,000,000 -63,000,000 -386,000,000 -18,000,000 -37,000,000 -140,000,000 -436,000,000 7,000,000 5,000,000 154,000,000 -501,000,000 201,000,000 324,000,000 101,000,000 -610,000,000 -409,000,000               25,000,000 17,000,000 32,000,000 122,000,000 
          net cash from financing activities
        -2,856,000,000 -2,477,000,000 -3,196,000,000 -5,227,000,000 -5,114,000,000 -4,636,000,000 -2,459,000,000 -4,931,000,000 5,442,000,000 -3,779,000,000 27,174,000,000 -2,771,000,000  -5,761,000,000 2,520,000,000 -6,578,000,000  -1,101,000,000                      
          effect of exchange-rate changes on cash and cash equivalents and restricted cash and cash equivalents
        19,000,000 2,000,000 41,000,000 -7,000,000 -29,000,000 9,000,000 -18,000,000 -28,000,000 -1,000,000 -32,000,000 -5,000,000 -2,000,000 -26,000,000 -72,000,000 -66,000,000 -1,000,000 -27,000,000 -37,000,000   31,000,000      12,000,000   55,000,000          
          net increase in cash and cash equivalents and restricted cash and cash equivalents
        563,000,000 -301,000,000 213,000,000 375,000,000 -45,000,000 29,000,000 343,000,000 -2,137,000,000 -316,000,000 535,000,000 475,000,000 1,754,000,000  -487,000,000 -688,000,000 529,000,000  -384,000,000 608,000,000 -15,000,000  -218,000,000 -351,000,000 846,000,000 1,008,000,000 -180,000,000 792,000,000   985,000,000          
          cash and cash equivalents and restricted cash and cash equivalents, at beginning of period
        1,197,000,000 1,107,000,000 2,917,000,000 468,000,000 1,983,000,000 1,825,000,000 1,350,000,000                
          cash and cash equivalents and restricted cash and cash equivalents, at end of period
        1,760,000,000 -300,000,000 213,000,000 1,481,000,000 -45,000,000 29,000,000 343,000,000 780,000,000 -316,000,000 535,000,000 476,000,000 2,222,000,000 -870,000,000 -486,000,000 -689,000,000 2,513,000,000 -51,000,000 -384,000,000 609,000,000 1,809,000,000 198,000,000 -218,000,000 -351,000,000 2,196,000,000                
          supplemental cash flow information
                                               
          cash paid during the period for:
                                               
          income taxes
        72,000,000 178,000,000 3,341,000,000 152,000,000  486,000,000 2,502,000,000 184,000,000  882,000,000 1,696,000,000 329,000,000  1,821,000,000 2,744,000,000 354,000,000  755,000,000 1,794,000,000 394,000,000   1,051,000,000 239,000,000  1,901,000,000 235,000,000 469,000,000 940,000,000 257,000,000 303,000,000 926,000,000 195,000,000 319,000,000 593,000,000 518,000,000 290,000,000 752,000,000 372,000,000 
          interest paid
        293,000,000 275,000,000 1,130,000,000 353,000,000  280,000,000 1,138,000,000 415,000,000  332,000,000 402,000,000 419,000,000  350,000,000 318,000,000 453,000,000  407,000,000 353,000,000 445,000,000   438,000,000 472,000,000  424,000,000 385,000,000             
          interest rate hedges
        62,000,000 66,000,000 -45,000,000 74,000,000  33,000,000 -35,000,000 33,000,000  67,000,000 -29,000,000 60,000,000  38,000,000 -36,000,000 26,000,000  41,000,000 -77,000,000 10,000,000          20,000,000   32,000,000       
          proceeds from short-term borrowings
            732,000,000 2,161,000,000 4,570,000,000 1,444,000,000 4,511,000,000 3,000,000 11,000,000 4,000,000 -125,000,000       7,050,000,000 5,302,000,000 7,626,000,000 3,347,000,000 609,000,000 199,000,000 1,318,000,000 428,000,000 2,204,000,000 2,245,000,000 2,554,000,000 4,090,000,000 1,625,000,000 682,000,000 24,000,000 1,998,000,000 
          proceeds from issuance of long-term debt
                         -11,478,000,000 94,000,000 15,365,000,000 1,241,000,000 4,942,000,000    5,273,000,000      
          payments on long-term debt
           -1,000,000,000 -1,250,000,000 -1,300,000,000 -1,000,000,000 -269,000,000 -1,689,000,000                           
          inventory write-offs and related charges associated with covid-19 products
                352,000,000                               
          other changes in assets and liabilities, net of acquisitions and divestitures:
                                               
          trade accounts receivable
                                               
          inventories
                                               
          other assets
                                               
          trade accounts payable
                                               
          other liabilities
                                               
          other tax accounts
                                               
          proceeds from partial sales of investment in haleon
                                               
          acquisitions of businesses, net of cash acquired
                -43,405,000,000                              
          dividend received from the consumer healthcare jv
                                               
          purchases of common stock
                    -2,000,000,000                        
          - continued -
                                               
          proceeds from partial sale of investment in haleon
             3,491,000,000                                
          acquisition of business, net of cash acquired
                     -6,225,000,000                        
          adjustments to reconcile net income before allocation to noncontrolling interests to net cash from operating activities:
                                               
          net cash from operating activities from continuing operations
                    8,582,000,000 5,968,000,000 8,176,000,000 6,541,000,000 6,262,000,000 10,832,000,000 11,298,000,000 4,530,000,000                    
          net cash from operating activities from discontinued operations
                         -3,000,000 9,000,000                    
          net cash from investing activities from continuing operations
                     -627,000,000 -11,313,000,000 567,000,000  -10,076,000,000 -8,137,000,000 -1,747,000,000                    
          net cash from investing activities from discontinued operations
                                               
          proceeds from issuances of long-term debt
                                               
          deferred taxes from continuing operations
                    -365,000,000 62,000,000 -1,140,000,000 -2,321,000,000 -591,000,000 -3,749,000,000 -152,000,000 199,000,000 -871,000,000 -668,000,000 -38,000,000 109,000,000      294,000,000 -79,000,000 282,000,000 38,000,000       
          net cash provided by/(used in) operating activities from discontinued operations
                                               
          net cash provided by/(used in) investing activities from continuing operations
                                               
          net cash provided by/(used in) investing activities from discontinued operations
                                               
          net cash provided by/(used in) investing activities
                                      -2,996,000,000       -2,105,000,000 6,592,000,000 
          net cash provided by/(used in) financing activities from continuing operations
                                               
          net cash provided by/(used in) financing activities from discontinued operations
                                               
          net cash provided by/(used in) financing activities
                            -13,787,000,000                   
          net increase/(decrease) in cash and cash equivalents and restricted cash and cash equivalents
                                               
          dividends received from haleon/gsk consumer healthcare jv
                                               
          non-cash transaction:
                                               
          right-of-use assets obtained in exchange for lease liabilities
                     221,000,000    348,000,000                      
          principal payments on long-term debt
                      -1,609,000,000 -1,003,000,000    -1,492,000,000                   
          tcja impact
                                               
          gain on completion of consumer healthcare jv transaction, net of cash conveyed
                                              
          principal payments on short-term borrowings
                            -4,748,000,000                   
          income from discontinued operations—net of tax
                         -8,000,000 23,000,000 9,000,000                    
          net cash from financing activities from continuing operations
                         -1,101,000,000 -2,557,000,000 -2,807,000,000                    
          net cash from financing activities from discontinued operations
                                               
          acquisitions of intangible assets
                            -501,000,000                   
          proceeds from exercise of stock options
                            219,000,000 48,000,000 34,000,000 124,000,000 55,000,000 122,000,000 126,000,000 625,000,000 102,000,000 372,000,000 245,000,000 98,000,000 313,000,000 250,000,000 400,000,000 296,000,000 184,000,000 187,000,000 794,000,000 
          ‘- continued -
                                               
          see notes to condensed consolidated financial statements.
                                               
          net
                                               
          net proceeds from short-term borrowings with original maturities of three months or less
                               3,207,000,000           458,000,000 1,724,000,000    
          benefit plan contributions in excess of income
                                               
          net proceeds from redemptions/sales of short-term investments with original maturities of three months or less
                                3,590,000,000 -1,224,000,000 5,941,000,000 -846,000,000 -3,276,000,000 4,507,000,000   3,778,000,000   493,000,000    
          net proceeds from/(payments on) short-term borrowings with original maturities of three months or less
                                  2,032,000,000             
          cash and cash equivalents and restricted cash and cash equivalents, beginning
                                1,225,000,000 1,431,000,000          
          cash and cash equivalents and restricted cash and cash equivalents, end
                                1,009,000,000 -181,000,000 2,018,000,000 847,000,000 395,000,000 2,416,000,000          
          non-cash transactions:
                                               
          equity investment in allogene received in exchange for pfizer's allogeneic car t developmental program assets
                                              
          cash paid (received) during the period for:
                                               
          benefit plan contributions in excess of expense
                                               
          adjustments to loss on sale of his net assets
                                               
          benefit plan contributions in excess of income––2018 and expense––2017
                                               
          receipt of icu medical common stock
                                      428,000,000       
          promissory note from icu medical
                                      75,000,000       
          equity investment in cerevel therapeutics, inc. in exchange for pfizer’s portfolio of clinical and preclinical neuroscience assets
                                               
          interest
                                   244,000,000 465,000,000 259,000,000 220,000,000 665,000,000 216,000,000 274,000,000 521,000,000 382,000,000 248,000,000 582,000,000 332,000,000 
          loss on sale of his net assets
                                     3,000,000 -12,000,000 27,000,000 37,000,000       
          net payments on short-term borrowings with original maturities of three months or less
                                               
          effect of exchange-rate changes on cash and cash equivalents
                                      30,000,000 16,000,000 21,000,000       
          net increase/(decrease) in cash and cash equivalents
                                        1,461,000,000       
          cash and cash equivalents, beginning
                                      2,595,000,000 3,641,000,000 3,343,000,000 
          cash and cash equivalents, end
                                      194,000,000 -1,472,000,000 4,057,000,000 -1,317,000,000 850,000,000 2,561,000,000 -571,000,000 107,000,000 3,563,000,000 
          net decrease in cash and cash equivalents
                                               
          write-down of his net assets to fair value less estimated costs to sell
                                               
          net cash (used in)/provided by investing activities
                                               
          adjustment to gain on disposal of discontinued operations
                                               
          benefit plan contributions (in excess of)/less than expense
                                               
          net proceeds from redemptions/sales of short-term investments with original maturities of 90 days or less
                                            2,537,000,000 -2,223,000,000 5,243,000,000 
          net proceeds from/(payments on) short-term borrowings with original maturities of 90 days or less
                                            1,426,000,000   
          deferred taxes from discontinued operations
                                               
          net increase in cash and cash equivalents
                                             107,000,000 220,000,000 
          net proceeds from short-term borrowings with original maturities of 90 days or less
                                              863,000,000