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Northrop Grumman Corporation
(NYSE:NOC) 

NOC stock logo

Northrop Grumman Corporation operates as an aerospace and defense company worldwide. The company operates through four segments: Aeronautics Systems, Defense Systems, Mission Systems, and Space Systems. The Aeronautics Systems segment designs, develops, manufactures, integrates, and sustains aircraf...

Founded: 1994
Full Time Employees: 90,000
Sector: Industrials
Industry: Aerospace & Defense

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At a glance:
  • Defense Prime With Diverse Mission Portfolio: Northrop Grumman is a major U.S. defense contractor with meaningful exposure to space systems, aeronautics, mission/IT solutions, and defense electronics, providing diversification across programs and end-markets.
  • Backlog and Long-Duration Programs Support Revenue Visibility: A large backlog and multi-year contract structures tend to provide strong forward revenue visibility, though timing of awards, options, and program milestones can drive quarter-to-quarter variability.
  • U.S. Government Budget and Policy Remain Key Demand Drivers: Results are highly influenced by U.S. defense and intelligence spending priorities, continuing resolutions, and geopolitical developments that can shift funding toward or away from specific mission areas.
  • Program Execution and Cost Performance Are Central Risks: Margin performance depends on execution across complex development and production programs, with potential impacts from supply chain constraints, inflationary pressures, and contract type (fixed-price vs. cost-plus).
  • Capital Allocation Focused on Shareholder Returns and Investment: The company typically balances funding for R&D and capacity needs with shareholder returns (dividends and share repurchases), while monitoring leverage and cash flow generation to maintain financial flexibility.
Bull Thesis:
  • Robust Backlog and Strategic Programs: Northrop Grumman boasts a substantial and growing backlog, driven by critical, long-term programs like the B-21 Raider stealth bomber and the Sentinel (GBSD) intercontinental ballistic missile system. These programs provide significant revenue visibility and stability for decades, ensuring a steady stream of future earnings.
  • Favorable Geopolitical Environment & Increased Defense Spending: Escalating global tensions and conflicts (e.g., Ukraine, Middle East, Indo-Pacific) are driving increased defense budgets across the U.S. and its allies. As a prime contractor for advanced defense systems, Northrop Grumman is a direct beneficiary of this trend, securing more contracts and funding for its cutting-edge technologies.
  • Technological Leadership in Key Growth Areas: The company holds a leading position in high-growth defense sectors such as space systems, cybersecurity, advanced sensors, and autonomous platforms. Its continuous innovation and investment in these areas ensure relevance and competitiveness for future defense requirements, positioning it for long-term growth.
  • Consistent Cash Flow Generation & Shareholder Returns: Northrop Grumman has a strong track record of generating significant free cash flow, which it consistently returns to shareholders through a combination of growing dividends and robust share repurchase programs. This commitment to capital allocation enhances investor value and signals financial strength.
Bear Thesis:
  • High Dependence on Government Spending & Political Risk: A significant portion of Northrop Grumman's revenue is derived from U.S. government contracts, making it vulnerable to shifts in defense priorities, budget cuts, or changes in political administrations that could impact funding for key programs. Any significant reduction in defense spending could severely affect its top and bottom lines.
  • Program Execution Risks & Cost Overruns: Large, complex defense programs are inherently susceptible to technical challenges, schedule delays, and cost overruns. Issues with major programs like Sentinel, which has already seen some cost increases, could lead to reduced profitability, reputational damage, and potential penalties, impacting investor confidence.
  • Supply Chain Vulnerabilities & Inflationary Pressures: The company faces ongoing risks from global supply chain disruptions, component shortages, and inflationary pressures on raw materials and labor. These factors can increase production costs and impact delivery schedules, potentially compressing profit margins and delaying revenue recognition.
  • Intense Competition & Margin Pressure: The defense industry is highly competitive, with major players vying for lucrative contracts. This intense competition can lead to aggressive bidding, potentially putting pressure on profit margins, especially for new contract wins or renewals, as companies compete on price and capabilities.
Main Competitors:
  • Lockheed Martin Corporation ($LMT) (F-35 Lightning II), A direct and primary competitor across nearly all of Northrop Grumman's segments, including advanced aircraft (manned and unmanned), missile defense systems (e.g., THAAD), space systems (satellites, deep space exploration), and C4ISR (Command, Control, Communications, Computers, Intelligence, Surveillance, and Reconnaissance) solutions. They frequently bid on the same large government contracts.
  • RTX Corporation ($RTX) (Patriot Missile System), Competes heavily in missile systems (e.g., AMRAAM, Tomahawk), advanced sensors, radars, electronic warfare systems, and C4ISR. Through its Pratt & Whitney division, it also competes in aerospace propulsion, supplying engines for many military aircraft, including those that might compete with or integrate Northrop Grumman's airframes or systems.
  • The Boeing Company ($BA) (F-15 Eagle / F/A-18 Super Hornet), A major competitor in military aircraft (fighters, bombers, tankers, surveillance platforms), rotorcraft, satellites, and missile defense systems. While Boeing also has a large commercial aviation business, its Defense, Space & Security division directly rivals Northrop Grumman for significant government aerospace and space contracts.
  • General Dynamics Corporation ($GD) (Virginia-class Submarine), While General Dynamics' core strengths are in naval systems (submarines, destroyers) and land systems (armored vehicles), it competes with Northrop Grumman in areas like C4ISR, IT solutions, and advanced technology integration for defense platforms. Both companies vie for government contracts requiring complex systems engineering and integration.
Moat:
Northrop Grumman operates within a highly specialized and capital-intensive defense industry, characterized by significant barriers to entry. Its competitive moat is built upon deep expertise in advanced technology (stealth, cyber, space systems, autonomous platforms), long-standing relationships with government clients, proprietary intellectual property, and the ability to act as a prime systems integrator for complex national security programs. Competition is intense among a small group of large, established defense contractors, primarily for multi-billion dollar government contracts. These competitors often vie for the same programs based on technological superiority, reliability, cost-effectiveness, and the ability to meet stringent government requirements, rather than traditional consumer market competition.
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
                                                                              
      product
    7,958,000,000 9,593,000,000 8,369,000,000 8,258,000,000 7,521,000,000 8,609,000,000 7,939,000,000 8,076,000,000 8,102,000,000 8,507,000,000 7,678,000,000 7,441,000,000 7,271,000,000 7,923,000,000 6,979,000,000 6,779,000,000 6,841,000,000 6,808,000,000 6,845,000,000 7,193,000,000 7,022,000,000 7,690,000,000 6,667,000,000 6,482,000,000 6,176,000,000 6,247,000,000 5,997,000,000 5,880,000,000 5,728,000,000 5,776,000,000 5,614,000,000 4,790,000,000 4,289,000,000 4,153,000,000 4,135,000,000 3,916,000,000 3,834,000,000 3,979,000,000 3,721,000,000 3,560,000,000 3,478,000,000 3,413,000,000 3,615,000,000 3,509,000,000 3,429,000,000 3,549,000,000 3,494,000,000 3,564,000,000 3,408,000,000 3,689,000,000 3,330,000,000 3,593,000,000 3,421,000,000 3,611,000,000 3,487,000,000 3,399,000,000 3,341,000,000                  
      service
    1,923,000,000 2,119,000,000 2,054,000,000 2,093,000,000 1,947,000,000 2,077,000,000 2,057,000,000 2,142,000,000 2,031,000,000 2,131,000,000 2,097,000,000 2,135,000,000 2,030,000,000 2,110,000,000 1,992,000,000 2,022,000,000 1,956,000,000 1,831,000,000 1,875,000,000 1,958,000,000 2,135,000,000 2,522,000,000 2,416,000,000 2,402,000,000 2,444,000,000 2,474,000,000 2,478,000,000 2,576,000,000 2,461,000,000 2,380,000,000 2,471,000,000 2,329,000,000 2,446,000,000 2,481,000,000 2,392,000,000 2,459,000,000 2,433,000,000 2,418,000,000 2,434,000,000 2,440,000,000 2,478,000,000 2,281,000,000 2,364,000,000 2,387,000,000 2,528,000,000 2,559,000,000 2,490,000,000 2,475,000,000 2,440,000,000 2,468,000,000 2,776,000,000 2,701,000,000 2,683,000,000 2,865,000,000 2,783,000,000 2,875,000,000 2,857,000,000                  
      total sales
    9,881,000,000 11,712,000,000 10,423,000,000 10,351,000,000 9,468,000,000 10,686,000,000 9,996,000,000 10,218,000,000 10,133,000,000 10,638,000,000 9,775,000,000 9,576,000,000 9,301,000,000 10,033,000,000 8,971,000,000 8,801,000,000 8,797,000,000 8,639,000,000 8,720,000,000 9,151,000,000 9,157,000,000 10,212,000,000 9,083,000,000 8,884,000,000 8,620,000,000 8,721,000,000 8,475,000,000 8,456,000,000 8,189,000,000 8,156,000,000 8,085,000,000 7,119,000,000 6,735,000,000 6,634,000,000 6,527,000,000 6,375,000,000 6,267,000,000 6,397,000,000 6,155,000,000 6,000,000,000 5,956,000,000 5,694,000,000 5,979,000,000 5,896,000,000 5,957,000,000 6,108,000,000 5,984,000,000 6,039,000,000 5,848,000,000 6,157,000,000 6,106,000,000 6,294,000,000 6,104,000,000 6,476,000,000 6,270,000,000 6,274,000,000 6,198,000,000                  
      yoy
    4.36% 9.60% 4.27% 1.30% -6.56% 0.45% 2.26% 6.70% 8.95% 6.03% 8.96% 8.81% 5.73% 16.14% 2.88% -3.82% -3.93% -15.40% -4.00% 3.01% 6.23% 17.10% 7.17% 5.06% 5.26% 6.93% 4.82% 18.78% 21.59% 22.94% 23.87% 11.67% 7.47% 3.70% 6.04% 6.25% 5.22% 12.35% 2.94% 1.76% -0.02% -6.78% -0.08% -2.37% 1.86% -0.80% -2.00% -4.05% -4.19% -4.93% -2.62% 0.32% -1.52%                      
      qoq
    -15.63% 12.37% 0.70% 9.33% -11.40% 6.90% -2.17% 0.84% -4.75% 8.83% 2.08% 2.96% -7.30% 11.84% 1.93% 0.05% 1.83% -0.93% -4.71% -0.07% -10.33% 12.43% 2.24% 3.06% -1.16% 2.90% 0.22% 3.26% 0.40% 0.88% 13.57% 5.70% 1.52% 1.64% 2.38% 1.72% -2.03% 3.93% 2.58% 0.74% 4.60% -4.77% 1.41% -1.02% -2.47% 2.07% -0.91% 3.27% -5.02% 0.84% -2.99% 3.11% -5.74% 3.29% -0.06% 1.23%                   
      operating costs and expenses
                                                                              
      general and administrative expenses
    971,000,000 1,025,000,000 985,000,000 1,016,000,000 1,007,000,000 843,000,000 986,000,000 1,101,000,000 1,062,000,000 878,000,000 1,025,000,000 1,073,000,000 1,038,000,000 918,000,000 974,000,000 1,005,000,000 976,000,000 809,000,000 891,000,000 999,000,000 898,000,000 938,000,000 855,000,000 832,000,000 788,000,000 970,000,000 776,000,000 784,000,000 760,000,000 744,000,000 817,000,000 739,000,000 711,000,000 646,000,000 666,000,000 666,000,000 677,000,000 646,000,000 662,000,000 620,000,000 656,000,000 627,000,000 663,000,000 641,000,000 635,000,000 693,000,000 580,000,000 590,000,000 542,000,000 561,000,000 555,000,000 582,000,000 558,000,000 737,000,000 572,000,000 580,000,000 561,000,000 637,000,000 589,000,000 556,000,000 568,000,000 815,000,000 725,000,000 770,000,000 768,000,000 851,000,000 768,000,000 774,000,000 749,000,000 920,000,000 785,000,000 797,000,000 738,000,000  
      total operating costs and expenses
    8,892,000,000 10,441,000,000 9,181,000,000 9,157,000,000 8,895,000,000 9,597,000,000 8,876,000,000 9,128,000,000 9,062,000,000 11,031,000,000 8,759,000,000 8,609,000,000 8,354,000,000 9,127,000,000 8,127,000,000 7,847,000,000 7,900,000,000 7,897,000,000 7,677,000,000 8,107,000,000 8,315,000,000                                                      
      operating income
    989,000,000 1,271,000,000 1,242,000,000 1,425,000,000 573,000,000 1,089,000,000 1,120,000,000 1,090,000,000 1,071,000,000 -393,000,000 1,016,000,000 967,000,000 947,000,000 906,000,000 844,000,000 954,000,000 897,000,000 742,000,000 1,043,000,000 1,044,000,000 2,822,000,000 1,152,000,000 985,000,000 994,000,000 934,000,000 1,136,000,000 951,000,000 946,000,000 936,000,000 925,000,000 1,178,000,000 823,000,000 854,000,000 767,000,000 845,000,000 855,000,000 832,000,000 831,000,000 826,000,000 797,000,000 739,000,000 689,000,000 794,000,000 813,000,000 780,000,000 762,000,000 769,000,000 820,000,000 845,000,000 768,000,000 790,000,000 806,000,000 759,000,000 824,000,000 736,000,000 774,000,000 796,000,000 799,000,000 825,000,000 841,000,000 811,000,000 788,000,000 801,000,000 716,000,000 765,000,000 520,000,000 655,000,000 653,000,000 655,000,000 -2,152,000,000 771,000,000 806,000,000 464,000,000  
      yoy
    72.60% 16.71% 10.89% 30.73% -46.50% -377.10% 10.24% 12.72% 13.09% -143.38% 20.38% 1.36% 5.57% 22.10% -19.08% -8.62% -68.21% -35.59% 5.89% 5.03% 202.14% 1.41% 3.58% 5.07% -0.21% 22.81% -19.27% 14.95% 9.60% 20.60% 39.41% -3.74% 2.64% -7.70% 2.30% 7.28% 12.58% 20.61% 4.03% -1.97% -5.26% -9.58% 3.25% -0.85% -7.69% -0.78% -2.66% 1.74% 11.33% -6.80% 7.34% 4.13% -4.65% 3.13% -10.79% -7.97% -1.85% 1.40% 3.00% 17.46% 6.01% 51.54% 22.29% 9.65% 16.79% -124.16% -15.05% -18.98% 41.16%      
      qoq
    -22.19% 2.33% -12.84% 148.69% -47.38% -2.77% 2.75% 1.77% -372.52% -138.68% 5.07% 2.11% 4.53% 7.35% -11.53% 6.35% 20.89% -28.86% -0.10% -63.00% 144.97% 16.95% -0.91% 6.42% -17.78% 19.45% 0.53% 1.07% 1.19% -21.48% 43.13% -3.63% 11.34% -9.23% -1.17% 2.76% 0.12% 0.61% 3.64% 7.85% 7.26% -13.22% -2.34% 4.23% 2.36% -0.91% -6.22% -2.96% 10.03% -2.78% -1.99% 6.19% -7.89% 11.96% -4.91% -2.76% -0.38% -3.15% -1.90% 3.70% 2.92% -1.62% 11.87% -6.41% 47.12% -20.61% 0.31% -0.31% -130.44% -379.12% -4.34% 73.71%   
      operating margin %
    10.01% 10.85% 11.92% 13.77% 6.05% 10.19% 11.20% 10.67% 10.57% -3.69% 10.39% 10.10% 10.18% 9.03% 9.41% 10.84% 10.20% 8.59% 11.96% 11.41% 30.82% 11.28% 10.84% 11.19% 10.84% 13.03% 11.22% 11.19% 11.43% 11.34% 14.57% 11.56% 12.68% 11.56% 12.95% 13.41% 13.28% 12.99% 13.42% 13.28% 12.41% 12.10% 13.28% 13.79% 13.09% 12.48% 12.85% 13.58% 14.45% 12.47% 12.94% 12.81% 12.43% 12.72% 11.74% 12.34% 12.84% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% -Infinity% Infinity% Infinity% Infinity%  
      other income
                                                                              
      interest expense
    -162,000,000 -175,000,000 -161,000,000 -173,000,000 -156,000,000 -160,000,000 -161,000,000 -154,000,000 -146,000,000 -128,000,000 -141,000,000 -147,000,000 -129,000,000 -120,000,000 -122,000,000 -131,000,000 -133,000,000 -133,000,000 -132,000,000 -136,000,000 -155,000,000 -160,000,000 -154,000,000 -154,000,000 -125,000,000 -130,000,000 -123,000,000 -137,000,000 -138,000,000 -142,000,000 -133,000,000 -144,000,000 -143,000,000 -136,000,000 -73,000,000 -76,000,000 -75,000,000 -77,000,000 -74,000,000 -74,000,000 -76,000,000 -75,000,000 -75,000,000 -75,000,000 -76,000,000 -74,000,000 -69,000,000 -70,000,000 -69,000,000 -74,000,000 -70,000,000 -60,000,000 -53,000,000 -54,000,000 -53,000,000 -52,000,000 -53,000,000 -53,000,000 -57,000,000 -53,000,000 -58,000,000 -65,000,000 -68,000,000 -68,000,000 -80,000,000 -62,000,000 -76,000,000 -70,000,000 -73,000,000 -72,000,000 -74,000,000 -72,000,000 -77,000,000  
      non-operating fas pension benefit
    166,000,000 138,000,000 136,000,000 137,000,000 130,000,000 153,000,000 168,000,000 167,000,000 168,000,000 133,000,000 132,000,000 133,000,000 132,000,000 376,000,000 376,000,000 377,000,000 376,000,000 368,000,000 367,000,000 367,000,000 367,000,000                                                      
      other
    37,000,000 -21,000,000 106,000,000 38,000,000 31,000,000 26,000,000 61,000,000 43,000,000 38,000,000 53,000,000 111,000,000 34,000,000 48,000,000 58,000,000 -8,000,000 -50,000,000 4,000,000 13,000,000 -3,000,000 27,000,000 -18,000,000 56,000,000 34,000,000 60,000,000 -58,000,000 25,000,000 27,000,000 19,000,000 36,000,000 -12,000,000 57,000,000 45,000,000 40,000,000 53,000,000 13,000,000 28,000,000 16,000,000 -6,000,000 17,000,000 7,000,000 13,000,000 7,000,000 10,000,000 -2,000,000  13,000,000 -6,000,000 6,000,000 10,000,000 13,000,000  -22,000,000 6,000,000 17,000,000 12,000,000 5,000,000 13,000,000 36,000,000 -13,000,000  5,000,000 27,000,000 13,000,000 -10,000,000 7,000,000 2,000,000 41,000,000 13,000,000 8,000,000 -34,000,000 45,000,000 5,000,000 15,000,000  
      earnings before income taxes
    1,030,000,000 1,740,000,000 1,323,000,000 1,427,000,000 578,000,000 1,551,000,000 1,188,000,000 1,146,000,000 1,131,000,000 -757,000,000 1,118,000,000 987,000,000 998,000,000 2,452,000,000 1,090,000,000 1,150,000,000 1,144,000,000 3,345,000,000 1,275,000,000 1,302,000,000 3,016,000,000 305,000,000 1,167,000,000 1,203,000,000 1,053,000,000 -569,000,000 1,055,000,000 1,028,000,000 1,034,000,000 785,000,000 1,237,000,000 849,000,000 871,000,000 684,000,000 785,000,000 807,000,000 773,000,000 748,000,000 769,000,000 730,000,000 676,000,000 621,000,000 729,000,000 736,000,000 704,000,000 701,000,000 694,000,000 756,000,000 786,000,000 539,000,000 720,000,000 724,000,000 712,000,000                      
      federal and foreign income tax expense
    155,000,000 313,000,000 223,000,000 253,000,000 97,000,000 287,000,000 162,000,000 206,000,000 187,000,000 -222,000,000 181,000,000 175,000,000 156,000,000 372,000,000 175,000,000 204,000,000 189,000,000 635,000,000 212,000,000 265,000,000 821,000,000 -25,000,000 181,000,000 198,000,000 185,000,000 -160,000,000 122,000,000 167,000,000 171,000,000 128,000,000 93,000,000 160,000,000 132,000,000 506,000,000 140,000,000 255,000,000 133,000,000 223,000,000 167,000,000 213,000,000 120,000,000 162,000,000 213,000,000 205,000,000 220,000,000 195,000,000 221,000,000 245,000,000 207,000,000 229,000,000 223,000,000 236,000,000 223,000,000 254,000,000 236,000,000 247,000,000 250,000,000 232,000,000 235,000,000 268,000,000    -73,000,000           
      net earnings
    875,000,000 1,427,000,000 1,100,000,000 1,174,000,000 481,000,000 1,264,000,000 1,026,000,000 940,000,000 944,000,000 -535,000,000 937,000,000 812,000,000 842,000,000 2,080,000,000 915,000,000 946,000,000 955,000,000 2,710,000,000 1,063,000,000 1,037,000,000 2,195,000,000 330,000,000 986,000,000 1,005,000,000 868,000,000 -409,000,000 933,000,000 861,000,000 863,000,000 657,000,000 1,144,000,000 689,000,000 739,000,000 178,000,000 645,000,000 552,000,000 640,000,000 525,000,000 602,000,000 517,000,000 556,000,000 459,000,000 516,000,000 531,000,000 484,000,000 506,000,000 473,000,000 511,000,000 579,000,000 478,000,000 497,000,000 488,000,000 489,000,000 533,000,000 459,000,000 480,000,000 506,000,000 548,000,000 520,000,000 520,000,000 530,000,000 376,000,000 497,000,000 711,000,000 469,000,000 413,000,000 490,000,000 394,000,000 389,000,000 -2,533,000,000 512,000,000 495,000,000 264,000,000  
      yoy
    81.91% 12.90% 7.21% 24.89% -49.05% -336.26% 9.50% 15.76% 12.11% -125.72% 2.40% -14.16% -11.83% -23.25% -13.92% -8.78% -56.49% 721.21% 7.81% 3.18% 152.88% -180.68% 5.68% 16.72% 0.58% -162.25% -18.44% 24.96% 16.78% 269.10% 77.36% 24.82% 15.47% -66.10% 7.14% 6.77% 15.11% 14.38% 16.67% -2.64% 14.88% -9.29% 9.09% 3.91% -16.41% 5.86% -4.83% 4.71% 18.40% -10.32% 8.28% 1.67% -3.36% -2.74% -11.73% -7.69% -4.53% 45.74% 4.63% -26.86% 13.01% -8.96% 1.43% 80.46% 20.57% -116.30% -4.30% -20.40% 47.35%      
      qoq
    -38.68% 29.73% -6.30% 144.07% -61.95% 23.20% 9.15% -0.42% -276.45% -157.10% 15.39% -3.56% -59.52% 127.32% -3.28% -0.94% -64.76% 154.94% 2.51% -52.76% 565.15% -66.53% -1.89% 15.78% -312.22% -143.84% 8.36% -0.23% 31.35% -42.57% 66.04% -6.77% 315.17% -72.40% 16.85% -13.75% 21.90% -12.79% 16.44% -7.01% 21.13% -11.05% -2.82% 9.71% -4.35% 6.98% -7.44% -11.74% 21.13% -3.82% 1.84% -0.20% -8.26% 16.12% -4.37% -5.14% -7.66% 5.38% 0.00% -1.89% 40.96% -24.35% -30.10% 51.60% 13.56% -15.71% 24.37% 1.29% -115.36% -594.73% 3.43% 87.50%   
      net income margin %
    8.86% 12.18% 10.55% 11.34% 5.08% 11.83% 10.26% 9.20% 9.32% -5.03% 9.59% 8.48% 9.05% 20.73% 10.20% 10.75% 10.86% 31.37% 12.19% 11.33% 23.97% 3.23% 10.86% 11.31% 10.07% -4.69% 11.01% 10.18% 10.54% 8.06% 14.15% 9.68% 10.97% 2.68% 9.88% 8.66% 10.21% 8.21% 9.78% 8.62% 9.34% 8.06% 8.63% 9.01% 8.12% 8.28% 7.90% 8.46% 9.90% 7.76% 8.14% 7.75% 8.01% 8.23% 7.32% 7.65% 8.16% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% -Infinity% Infinity% Infinity% Infinity%  
      basic earnings per share
    6.16 9.98 7.69 8.17 3.33 8.66 7.02 6.37 6.34 -3.5 6.2 5.35 5.52 13.48 5.92 6.09 6.12 17.07 6.65 6.44 13.46 1.97 5.91 6.02 5.18 -2.39 5.52 5.07 5.08 3.83 6.57 3.95 4.24 1.02 3.7 3.16 3.66 2.98 3.38 2.87 3.07 2.53 2.78 2.77 2.45 2.52 2.29 2.41 2.68 2.17 2.18 2.09 2.07 2.19 1.86 1.91 2.1 1.89 1.84 1.82 1.29 1.69 2.37 1.55 1.33 1.55 1.22 1.19 -7.54 1.53 1.46 0.78  
      weighted-average common shares outstanding, in millions
    142.1 143.5 143.1 143.7 144.6 147 146.2 147.5 148.9 151.5 151.2 151.7 152.6 154.9 154.6 155.4 156 160.3 159.8 161 163.1 167.1 166.8 166.9 167.7 169.3 169.1 169.7 170 173.7 174.1 174.5 174.3 174.4 174.2 174.5 174.8 178.9 178.1 180.1 181.3 189.4 185.8 191.8 197.7 208.8 206.2 212.4 216.3 229.6 228.2 234 236.4 248.6 247.2 250.8 253.1 276.8 274.9 282.6 291.8 296.9 293.5 299.6 302.5 319.2 317.1 322 326.9 334.5 334.2 339 338.8  
      diluted earnings per share
    6.14 9.96 7.67 8.15 3.32 8.65 6.36 6.32 -3.47 6.18 5.34 5.5 13.41 5.89 6.06 6.1 16.99 6.63 6.42 13.43 1.98 5.89 6.01 5.15 -2.38 5.49 5.06 5.06 3.81 6.54 3.93 4.21 1.01 3.68 3.15 3.63 2.96 3.35 2.85 3.03 2.5 2.75 2.74 2.41 2.47 2.26 2.37 2.63 2.13 2.14 2.05 2.03 2.14 1.82 1.88 1.96 2.07 1.86 1.81 1.79 1.28 1.67 2.34 1.53 1.31 1.53 1.21 1.17 -7.46 1.51 1.44 0.76  
      weighted-average diluted shares outstanding, in millions
    142.5 143.8 143.5 144 144.9 147.3 146.5 147.7 149.3 152 151.7 152.2 153.2 155.6 155.3 156 156.6 160.9 160.4 161.5 163.5 167.6 167.3 167.3 168.4 170 169.9 170.3 170.7 174.6 174.9 175.4 175.4 175.6 175.3 175.5 176.1 180.5 179.6 181.5 183.4 191.6 187.9 193.7 200.5 212.1 209.2 215.2 220.4 233.9 232.6 237.5 241 253.4 252.1 254.7 258 281.6 279.3 287.2 296.9 301.1 297.6 303.8 306.1 323.3 320.6 325.8 332.1 334.5 340.1 344.1 349.3  
      other comprehensive income, net of tax
    -5 -3 18 10 -16 10 -3 -15 19                 61.75 81 83 83 525 99 99 105 -508 94 92 96 -221 82 109 66 -2,478 35 63 1,559 92 88 64 -1,453 61 39 56 -1,314 -3 14 46 173 57 15 12 390 73 119 46      
      change in cumulative translation adjustment
    -2 -2 -4 -1 12                 -4 -2  -2   -4 -31 -6 -9 -4 -10 -15 13 -29 -35 -26  15 -16 12 -15 -6 -25  27 -7 18 -24 -28 -13 20 38 -14      
      change in other
    -3 -1 -1 11 -12 -2 -16 -3 -2                                                               
      comprehensive income
    870 1,424 1,101 1,192 491 1,248 1,036 937 929 -516 940 813 844 2,093 908 933 952 2,707 1,055 1,036 2,192 323 982 1,004 849 -419 921 845 856 336 1,225 772 822 703 744 651 745 17 696 609 652 238 598 640 550 -1,972 481 546 642 2,037 589 576 553 -920 520 519 562 -766 517 534 576 549 554 726 481 803 563 513 435      
      gain on sale of business
       231,000,000                 1,980,000,000                                                      
      other comprehensive loss, net of tax
                 13 -7 -13 -3 -3 -8 -1 -3 -7 -4 -1 -19 -10 -12 -16 -7                                              
      change in unamortized prior service credit
                    -1                                                          
      change in cumulative translation adjustment and other
                 13 -7 -13 -2 -1 -6 -1 10 -9   -4                                              
      other comprehensive loss
                                                                              
      change in unamortized prior service credit, net of tax
                     -1.5 -2 -2 -2 -7.75 -10 -11 -10 -8.75 -12 -12 -11                                              
      fas (non-service) pension benefit
                         291,000,000 302,000,000 303,000,000 302,000,000 200,000,000 200,000,000 200,000,000 200,000,000                                              
      net fas (non-service) pension benefit
                                 669,000,000 135,000,000 125,000,000 120,000,000                                          
      other comprehensive income
                                                                              
      change in unamortized benefit plan costs, net of tax
                                 64 84 86 86 75 99 102 99 75.5 101 100 101 72 96 96 96 31.75 31 35 61 59.25 78 79 80 38.5 50 54 50 14.25 22 14 21 29.5 39 39 40 39.75 53 53 53      
      change in unrealized gain on marketable securities and cash flow hedges, net of tax
                                                 0.75       -0.25 -1   -0.5   -2       28       
      change in unrealized loss on marketable securities and cash flow hedges, net of tax
                                                     -0.25 -1                        
      earnings from continuing operations before income taxes
                                                         787,000,000 695,000,000 727,000,000 756,000,000 782,000,000 755,000,000 788,000,000 758,000,000 519,000,000 746,000,000 638,000,000 692,000,000 460,000,000 620,000,000 596,000,000 590,000,000 -2,258,000,000 742,000,000 739,000,000 409,000,000  
      earnings from continuing operations
                                                         533,000,000 459,000,000 480,000,000 506,000,000 550,000,000 520,000,000 520,000,000 496,000,000 376,000,000 489,000,000 711,000,000 462,000,000 303,000,000 487,000,000 394,000,000 389,000,000 -2,536,000,000 509,000,000 483,000,000 263,000,000  
      earnings from discontinued operations, net of tax
                                                             -2,000,000   34,000,000  8,000,000  7,000,000 110,000,000 3,000,000        
      continuing operations
                                                         2.19 1.86 1.91 2.11 1.89 1.84 1.7 1.29 1.67 2.37 1.53 0.99 1.54 1.22 1.19 -7.55 1.52 1.42 0.78  
      discontinued operations
                                                             -0.01   0.12  0.02  0.02 0.34 0.01   0.01 0.01 0.04   
      sales and service revenues
                                                                              
      product sales
                                                             3,721,000,000 3,780,000,000 3,709,000,000 3,863,000,000 5,403,000,000 5,303,000,000 5,544,000,000 5,526,000,000 5,942,000,000 4,982,000,000 5,420,000,000 4,570,000,000 5,583,000,000 4,808,000,000 4,849,000,000 4,394,000,000  
      service revenues
                                                             2,785,000,000 2,832,000,000 2,851,000,000 2,871,000,000 3,204,000,000 3,411,000,000 3,282,000,000 3,084,000,000 1,810,000,000 3,744,000,000 3,537,000,000 3,750,000,000 3,571,000,000 3,573,000,000 3,779,000,000 3,330,000,000  
      total sales and service revenues
                                                             6,506,000,000 6,612,000,000 6,560,000,000 6,734,000,000 8,607,000,000 8,714,000,000 8,826,000,000 8,610,000,000 7,752,000,000 8,726,000,000 8,957,000,000 8,320,000,000 9,154,000,000 8,381,000,000 8,628,000,000 7,724,000,000  
      cost of sales and service revenues
                                                                              
      cost of product sales
                                                             3,287,000,000 2,700,000,000 2,662,000,000 2,842,000,000 4,061,000,000 4,096,000,000 4,367,000,000 4,296,000,000 4,584,000,000 4,027,000,000 4,345,000,000 3,635,000,000 4,286,000,000 3,682,000,000 3,793,000,000 3,729,000,000  
      cost of service revenues
                                                             1,783,000,000 2,498,000,000 2,501,000,000 2,513,000,000 2,943,000,000 3,092,000,000 2,973,000,000 2,781,000,000 1,797,000,000 3,276,000,000 3,185,000,000 3,281,000,000 3,040,000,000 3,143,000,000 3,232,000,000 2,793,000,000  
      federal and foreign income taxes
                                                                262,000,000 143,000,000 257,000,000  230,000,000 157,000,000 133,000,000 202,000,000 201,000,000 278,000,000 233,000,000 256,000,000 146,000,000  
      net unrealized gain on marketable securities
                                                                              
      and cash flow hedges, net of tax
                                                                     8.75         
      income from discontinued operations, net of tax
                                                                         3,000,000 3,000,000 12,000,000 1,000,000  
      change in unrealized gain on marketable securities and cash
                                                                             
      flow hedges, net of tax
                                                                              
      interest income
                                                                            7,000,000  
    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
                                                                                
        cash and cash equivalents
      2,090,000,000 4,403,000,000 1,957,000,000 1,899,000,000 1,685,000,000 4,353,000,000 3,326,000,000 3,272,000,000 3,061,000,000 3,109,000,000 2,082,000,000 3,384,000,000 2,495,000,000 2,577,000,000 1,666,000,000 1,169,000,000 2,174,000,000 3,530,000,000 4,055,000,000 3,941,000,000 3,517,000,000 4,907,000,000 4,995,000,000 4,178,000,000 3,278,000,000 2,245,000,000 1,127,000,000 1,088,000,000 755,000,000 1,579,000,000 1,228,000,000 1,539,000,000 10,369,000,000 11,225,000,000 1,878,000,000 1,383,000,000 1,403,000,000 2,541,000,000 1,103,000,000 1,139,000,000 1,277,000,000 2,319,000,000 1,292,000,000 1,907,000,000 2,646,000,000 3,863,000,000 3,402,000,000 3,476,000,000 3,885,000,000 5,150,000,000 4,944,000,000 4,904,000,000 3,183,000,000 3,862,000,000 3,525,000,000 3,148,000,000 2,682,000,000 3,002,000,000 2,946,000,000 2,810,000,000 4,019,000,000 3,701,000,000 2,528,000,000 2,044,000,000 1,961,000,000 3,275,000,000 1,924,000,000 1,056,000,000 882,000,000 1,504,000,000 1,016,000,000 581,000,000 429,000,000 963,000,000 
        accounts receivable
      1,806,000,000 1,375,000,000 1,983,000,000 2,196,000,000 1,805,000,000 1,272,000,000 1,609,000,000 1,694,000,000 1,832,000,000 1,454,000,000 1,764,000,000 2,096,000,000 2,061,000,000 1,511,000,000 1,936,000,000 2,387,000,000 1,713,000,000 1,467,000,000 1,590,000,000 1,910,000,000 1,710,000,000 1,501,000,000 1,958,000,000 1,989,000,000 2,136,000,000 1,326,000,000 2,111,000,000 1,832,000,000 2,166,000,000 1,448,000,000 1,702,000,000 1,815,000,000 1,241,000,000 3,976,000,000 4,414,000,000 4,280,000,000 4,072,000,000 3,299,000,000 3,659,000,000 3,483,000,000 3,346,000,000 2,841,000,000 3,268,000,000 3,151,000,000 3,131,000,000 2,806,000,000 3,233,000,000 3,280,000,000 3,234,000,000 2,685,000,000                    3,904,000,000    3,813,000,000 
        unbilled receivables
      7,556,000,000 6,544,000,000 7,030,000,000 7,133,000,000 6,857,000,000 5,908,000,000 6,518,000,000 6,434,000,000 6,450,000,000 5,693,000,000 6,270,000,000 5,870,000,000 6,215,000,000 5,983,000,000 6,430,000,000 6,211,000,000 6,118,000,000 5,492,000,000 5,674,000,000 5,418,000,000 5,519,000,000 5,140,000,000 5,723,000,000 5,460,000,000 5,918,000,000 5,334,000,000 5,777,000,000 5,657,000,000 5,785,000,000 5,026,000,000 5,600,000,000 5,272,000,000 3,869,000,000                                          
        inventoried costs
      1,450,000,000 1,309,000,000 1,615,000,000 1,553,000,000 1,578,000,000 1,455,000,000 1,646,000,000 1,504,000,000 1,370,000,000 1,109,000,000 1,355,000,000 1,287,000,000 1,115,000,000 978,000,000 989,000,000 909,000,000 838,000,000 811,000,000 872,000,000 863,000,000 860,000,000 759,000,000 853,000,000 832,000,000 785,000,000 783,000,000 810,000,000 810,000,000 778,000,000 654,000,000 719,000,000 690,000,000 435,000,000 780,000,000 1,007,000,000 1,039,000,000 933,000,000 816,000,000 797,000,000 973,000,000 898,000,000 807,000,000 856,000,000 856,000,000 818,000,000 742,000,000 671,000,000 741,000,000 781,000,000 698,000,000                    1,003,000,000    1,045,000,000 
        prepaid expenses and other current assets
      1,868,000,000 1,656,000,000 1,520,000,000 1,245,000,000 1,342,000,000 1,286,000,000 1,233,000,000 1,363,000,000 2,083,000,000 2,341,000,000 1,679,000,000 1,232,000,000 924,000,000 1,439,000,000 1,277,000,000 961,000,000 713,000,000 1,126,000,000 737,000,000 630,000,000 647,000,000 1,402,000,000 1,023,000,000 720,000,000 1,011,000,000 997,000,000 1,011,000,000 772,000,000 959,000,000 973,000,000 883,000,000 406,000,000 243,000,000 368,000,000 300,000,000 162,000,000 160,000,000 200,000,000 212,000,000 186,000,000 185,000,000 367,000,000 199,000,000 160,000,000 177,000,000 369,000,000 290,000,000 339,000,000 165,000,000 350,000,000 264,000,000 240,000,000 159,000,000 300,000,000 217,000,000 225,000,000 177,000,000 411,000,000 135,000,000 163,000,000 213,000,000 251,000,000 392,000,000 384,000,000 295,000,000 272,000,000 453,000,000 363,000,000 256,000,000 229,000,000 408,000,000 596,000,000 501,000,000 409,000,000 
        total current assets
      14,770,000,000 15,287,000,000 14,105,000,000 14,026,000,000 13,267,000,000 14,274,000,000 14,332,000,000 14,267,000,000 14,796,000,000 13,706,000,000 13,150,000,000 13,869,000,000 12,810,000,000 12,488,000,000 12,298,000,000 11,637,000,000 11,556,000,000 12,426,000,000 12,928,000,000 12,762,000,000 12,253,000,000 15,344,000,000 14,552,000,000 13,179,000,000 13,128,000,000 10,685,000,000 10,836,000,000 10,159,000,000 10,443,000,000 9,680,000,000 10,132,000,000 9,722,000,000 16,157,000,000 16,349,000,000 7,599,000,000 6,864,000,000 6,568,000,000 6,856,000,000 5,771,000,000 5,781,000,000 5,706,000,000 6,334,000,000 5,951,000,000 6,460,000,000 7,143,000,000 8,184,000,000 8,122,000,000 8,390,000,000 8,604,000,000 9,488,000,000 9,591,000,000 9,564,000,000 7,846,000,000 8,392,000,000 7,902,000,000 7,700,000,000 7,360,000,000 7,746,000,000 7,686,000,000 7,814,000,000 9,071,000,000 9,904,000,000 9,003,000,000 8,384,000,000 8,369,000,000 8,635,000,000 8,084,000,000 7,256,000,000 7,252,000,000 7,189,000,000 7,009,000,000 7,094,000,000 6,949,000,000 6,772,000,000 
        property, plant and equipment, net of accumulated depreciation
      10,243,000,000 10,972,000,000 10,542,000,000 10,537,000,000 10,522,000,000 10,536,000,000 10,078,000,000 9,771,000,000 9,690,000,000 9,653,000,000 9,173,000,000 8,976,000,000 8,838,000,000 8,800,000,000 8,325,000,000 8,125,000,000 8,017,000,000 7,894,000,000 7,277,000,000 7,164,000,000 7,093,000,000 7,071,000,000 7,187,000,000 7,063,000,000 6,956,000,000 6,912,000,000 6,611,000,000 6,522,000,000 6,420,000,000 6,372,000,000 6,025,000,000 5,864,000,000 4,285,000,000 4,225,000,000 3,925,000,000 3,802,000,000 3,656,000,000 3,588,000,000 3,334,000,000 3,299,000,000 3,230,000,000 3,064,000,000 3,005,000,000 3,005,000,000 2,989,000,000 2,991,000,000 2,845,000,000 2,818,000,000 2,793,000,000 2,806,000,000 2,763,000,000 2,783,000,000 2,829,000,000 2,887,000,000 2,895,000,000 2,935,000,000                   
        operating lease right-of-use assets
      1,925,000,000 1,859,000,000 1,783,000,000 1,783,000,000 1,826,000,000 1,770,000,000 1,779,000,000 1,823,000,000 1,763,000,000 1,818,000,000 1,714,000,000 1,763,000,000 1,779,000,000 1,811,000,000 1,680,000,000 1,669,000,000 1,702,000,000 1,655,000,000 1,552,000,000 1,575,000,000 1,552,000,000 1,533,000,000 1,479,000,000 1,528,000,000 1,469,000,000 1,511,000,000 1,511,000,000 1,278,000,000 1,283,000,000                                              
        goodwill
      17,439,000,000 17,437,000,000 17,436,000,000 17,435,000,000 17,434,000,000 17,512,000,000 17,517,000,000 17,516,000,000 17,515,000,000 17,517,000,000 17,514,000,000 17,517,000,000 17,516,000,000 17,516,000,000 17,516,000,000 17,518,000,000 17,523,000,000 17,515,000,000 17,516,000,000 17,518,000,000 17,518,000,000 17,518,000,000 18,711,000,000 18,707,000,000 18,698,000,000 18,708,000,000 18,707,000,000 18,708,000,000 18,698,000,000 18,672,000,000 18,642,000,000 18,747,000,000 12,455,000,000 12,455,000,000 12,456,000,000 12,453,000,000 12,454,000,000 12,450,000,000 12,464,000,000 12,463,000,000 12,462,000,000 12,460,000,000 12,458,000,000 12,464,000,000 12,464,000,000 12,466,000,000 12,463,000,000 12,468,000,000 12,468,000,000 12,438,000,000 12,438,000,000 12,437,000,000 12,437,000,000 12,431,000,000 12,373,000,000 12,344,000,000 12,374,000,000 12,374,000,000 12,376,000,000 12,376,000,000 12,376,000,000 13,517,000,000 13,517,000,000 13,517,000,000 13,517,000,000 13,517,000,000 14,526,000,000 14,536,000,000 14,524,000,000 14,518,000,000 17,475,000,000 17,586,000,000 17,620,000,000 17,672,000,000 
        deferred tax assets
      743,000,000 1,051,000,000 1,255,000,000 1,713,000,000 1,633,000,000 1,599,000,000 1,407,000,000 1,250,000,000 1,123,000,000 1,020,000,000 330,000,000 452,000,000 234,000,000 162,000,000 233,000,000 239,000,000 220,000,000 200,000,000 418,000,000 433,000,000 311,000,000 311,000,000 188,000,000 346,000,000 355,000,000 508,000,000 83,000,000 85,000,000 84,000,000 94,000,000 69,000,000 179,000,000 474,000,000 475,000,000 1,200,000,000 1,385,000,000 1,416,000,000 1,462,000,000 1,239,000,000 1,375,000,000 1,383,000,000 1,409,000,000 336,000,000 386,000,000 371,000,000 404,000,000 526,000,000 554,000,000 539,000,000 605,000,000 596,000,000 551,000,000 524,000,000 574,000,000 560,000,000 504,000,000 466,000,000 496,000,000   417,000,000 710,000,000 718,000,000 648,000,000 627,000,000 524,000,000 513,000,000 487,000,000       
        pension and other postretirement benefit plan assets
      3,307,000,000 3,167,000,000 2,501,000,000 2,393,000,000 2,285,000,000 2,184,000,000                                                                     
        other non-current assets
      1,580,000,000 1,604,000,000 1,458,000,000 1,333,000,000 1,259,000,000 1,230,000,000 2,908,000,000 2,761,000,000 2,641,000,000 2,525,000,000 2,691,000,000 2,688,000,000 2,703,000,000 2,594,000,000 2,248,000,000 2,243,000,000 2,352,000,000 2,311,000,000 2,026,000,000 2,010,000,000 1,964,000,000 1,909,000,000 1,811,000,000 1,743,000,000 1,623,000,000 1,725,000,000 1,682,000,000 1,626,000,000 1,534,000,000 1,463,000,000 1,615,000,000 1,537,000,000 1,424,000,000 1,413,000,000 1,333,000,000 1,309,000,000 1,319,000,000 1,258,000,000 1,292,000,000 1,163,000,000 1,152,000,000 1,187,000,000 1,200,000,000 1,240,000,000 1,277,000,000 1,309,000,000 1,484,000,000 1,495,000,000 1,471,000,000 1,440,000,000 1,339,000,000 1,295,000,000 1,292,000,000 1,291,000,000 1,412,000,000 1,409,000,000 1,431,000,000                  
        total assets
      50,007,000,000 51,377,000,000 49,300,000,000 49,451,000,000 48,468,000,000 49,359,000,000 48,289,000,000 47,670,000,000 47,818,000,000 46,544,000,000 44,896,000,000 45,609,000,000 44,244,000,000 43,755,000,000 42,733,000,000 41,914,000,000 41,903,000,000 42,579,000,000 42,346,000,000 42,142,000,000 41,423,000,000 44,469,000,000 44,772,000,000 43,475,000,000 43,203,000,000 41,089,000,000 40,553,000,000 39,584,000,000 39,751,000,000 37,653,000,000 37,943,000,000 37,378,000,000 34,795,000,000 34,917,000,000 26,513,000,000 25,813,000,000 25,413,000,000 25,614,000,000 24,100,000,000 24,081,000,000 23,933,000,000 24,454,000,000 23,966,000,000 24,552,000,000 25,266,000,000 26,572,000,000 25,043,000,000 25,351,000,000 25,535,000,000 26,381,000,000 27,405,000,000 27,508,000,000 25,914,000,000 26,543,000,000 25,262,000,000 25,226,000,000 25,053,000,000 25,411,000,000 25,100,000,000 25,377,000,000 26,790,000,000 31,421,000,000 30,176,000,000 29,694,000,000 29,762,000,000 30,252,000,000 30,845,000,000 30,148,000,000 30,142,000,000 30,197,000,000 33,254,000,000 33,467,000,000 33,375,000,000 33,373,000,000 
        liabilities
                                                                                
        trade accounts payable
      2,681,000,000 3,240,000,000 2,797,000,000 2,592,000,000 2,501,000,000 2,599,000,000 2,518,000,000 2,352,000,000 2,580,000,000 2,110,000,000 2,260,000,000 2,056,000,000 2,136,000,000 2,587,000,000 2,335,000,000 2,098,000,000 2,050,000,000 2,197,000,000 2,184,000,000 2,001,000,000 1,895,000,000 1,806,000,000 2,197,000,000 2,006,000,000 2,071,000,000 2,226,000,000 2,021,000,000 1,962,000,000 1,932,000,000 2,182,000,000 1,939,000,000 1,824,000,000 1,395,000,000 1,661,000,000 1,507,000,000 1,385,000,000 1,374,000,000 1,554,000,000 1,325,000,000 1,272,000,000 1,204,000,000 1,282,000,000 1,194,000,000 1,246,000,000 1,248,000,000 1,305,000,000 1,193,000,000 1,178,000,000 1,229,000,000 1,229,000,000 1,221,000,000 1,195,000,000 1,225,000,000 1,392,000,000 1,194,000,000 1,191,000,000 1,226,000,000 1,481,000,000 1,338,000,000 1,259,000,000 1,347,000,000 1,846,000,000 1,677,000,000 1,643,000,000 1,642,000,000 1,921,000,000 1,793,000,000 1,774,000,000 1,924,000,000 1,943,000,000 1,820,000,000 1,727,000,000 1,806,000,000 1,901,000,000 
        accrued employee compensation
      1,732,000,000 2,309,000,000 1,946,000,000 1,856,000,000 1,598,000,000 2,271,000,000 1,924,000,000 1,903,000,000 1,701,000,000 2,251,000,000 1,927,000,000 1,878,000,000 1,646,000,000 2,057,000,000 1,831,000,000 1,741,000,000 1,532,000,000 1,993,000,000 1,811,000,000 1,746,000,000 1,542,000,000 1,997,000,000 1,847,000,000 1,614,000,000 1,472,000,000 1,865,000,000 1,744,000,000 1,528,000,000 1,404,000,000 1,676,000,000 1,645,000,000 1,451,000,000 1,204,000,000 1,382,000,000 1,309,000,000 1,213,000,000 1,141,000,000 1,342,000,000 1,257,000,000 1,112,000,000 1,071,000,000 1,195,000,000 1,208,000,000 1,097,000,000 1,063,000,000 1,441,000,000 1,225,000,000 1,154,000,000 1,050,000,000 1,169,000,000 1,058,000,000 1,001,000,000 938,000,000 1,173,000,000 1,036,000,000                    
        advance payments and billings in excess of costs incurred
      3,697,000,000 4,086,000,000 3,562,000,000 3,997,000,000 3,710,000,000 4,070,000,000 3,157,000,000 3,292,000,000 3,530,000,000 4,193,000,000 3,458,000,000 3,397,000,000 3,211,000,000 3,609,000,000 3,107,000,000 2,734,000,000 2,876,000,000 3,026,000,000 2,594,000,000 2,526,000,000 2,393,000,000 2,517,000,000 2,235,000,000 2,179,000,000 2,027,000,000 2,237,000,000 2,127,000,000 1,942,000,000 1,969,000,000                       1,802,000,000 1,801,000,000 1,759,000,000 1,838,000,000 1,826,000,000 1,756,000,000 1,777,000,000 1,744,000,000 1,820,000,000 1,899,000,000 2,076,000,000 2,069,000,000 1,979,000,000 1,909,000,000 1,954,000,000 1,977,000,000 2,050,000,000 1,953,000,000 2,036,000,000 1,889,000,000 1,825,000,000 1,834,000,000 1,563,000,000 
        other current liabilities
      4,711,000,000 4,247,000,000 4,413,000,000 5,014,000,000 6,160,000,000 5,188,000,000 5,502,000,000 5,361,000,000 5,321,000,000 3,388,000,000 2,660,000,000 4,226,000,000 3,490,000,000 3,334,000,000 3,539,000,000 2,403,000,000 2,392,000,000 2,314,000,000 2,230,000,000 2,318,000,000 2,537,000,000 3,002,000,000 3,830,000,000 3,928,000,000 4,607,000,000 3,106,000,000 2,524,000,000 2,723,000,000 3,516,000,000 2,499,000,000 2,769,000,000 2,847,000,000 2,337,000,000 2,305,000,000 2,194,000,000 2,248,000,000 1,367,000,000 1,263,000,000 1,218,000,000 1,332,000,000 1,271,000,000 1,443,000,000 1,432,000,000 1,441,000,000 1,543,000,000 1,433,000,000 1,483,000,000 1,494,000,000 1,498,000,000 1,695,000,000 1,785,000,000 1,641,000,000 1,591,000,000 1,732,000,000 1,622,000,000 1,571,000,000 1,677,000,000 1,668,000,000 1,524,000,000 1,612,000,000 1,932,000,000 2,331,000,000 2,007,000,000 2,042,000,000 2,028,000,000 1,726,000,000 1,562,000,000 1,574,000,000 1,763,000,000 1,660,000,000 1,632,000,000 1,659,000,000 1,680,000,000 1,651,000,000 
        total current liabilities
      12,821,000,000 13,882,000,000 12,718,000,000 13,459,000,000 13,969,000,000 14,128,000,000 13,101,000,000 12,908,000,000 13,132,000,000 11,942,000,000 10,305,000,000 11,557,000,000 10,483,000,000 11,587,000,000 10,812,000,000 8,976,000,000 8,850,000,000 9,530,000,000 8,819,000,000 8,591,000,000 8,367,000,000 9,580,000,000 10,109,000,000 9,727,000,000 10,177,000,000 9,434,000,000 8,416,000,000 8,155,000,000 8,821,000,000 8,274,000,000 8,039,000,000 7,833,000,000 6,415,000,000 6,965,000,000 6,300,000,000 6,186,000,000 5,168,000,000 5,630,000,000 5,106,000,000 5,099,000,000 4,955,000,000 5,457,000,000 5,133,000,000 5,154,000,000 5,284,000,000 5,892,000,000 5,511,000,000 5,414,000,000 5,271,000,000 5,815,000,000 5,762,000,000 5,639,000,000 5,555,000,000 6,056,000,000 5,690,000,000 5,608,000,000 5,594,000,000 6,135,000,000 5,721,000,000 5,795,000,000 6,161,000,000 8,386,000,000 7,763,000,000 7,666,000,000 7,488,000,000 6,985,000,000 7,270,000,000 7,243,000,000 7,509,000,000 7,424,000,000 6,812,000,000 6,591,000,000 6,737,000,000 6,432,000,000 
        long-term debt
      14,411,000,000 15,162,000,000 15,162,000,000 15,160,000,000 14,167,000,000 14,692,000,000 14,689,000,000 14,706,000,000 14,742,000,000 13,786,000,000 13,793,000,000 13,796,000,000 13,770,000,000 11,805,000,000 11,803,000,000 12,834,000,000 12,825,000,000 12,777,000,000 12,774,000,000 12,764,000,000 12,764,000,000 14,261,000,000 14,260,000,000 14,259,000,000 14,299,000,000 12,770,000,000 13,826,000,000 13,838,000,000 13,863,000,000 13,883,000,000 13,889,000,000 14,387,000,000 14,392,000,000 14,399,000,000 6,227,000,000 6,219,000,000 7,060,000,000 7,058,000,000 6,387,000,000 6,387,000,000 6,387,000,000 6,416,000,000 6,417,000,000 6,417,000,000 6,418,000,000 5,925,000,000 5,926,000,000 5,927,000,000 5,927,000,000 5,928,000,000 5,928,000,000 5,929,000,000 3,937,000,000 3,930,000,000 3,931,000,000 3,932,000,000 3,933,000,000 3,935,000,000 3,936,000,000 3,937,000,000 3,939,000,000 4,045,000,000 3,437,000,000 3,438,000,000 3,440,000,000 4,191,000,000 4,194,000,000 3,348,000,000 3,352,000,000 3,443,000,000 3,843,000,000 3,844,000,000 3,928,000,000 3,918,000,000 
        pension and other postretirement benefit plan liabilities
      1,095,000,000 1,110,000,000 1,100,000,000 1,108,000,000 1,115,000,000 1,120,000,000 1,186,000,000 1,211,000,000 1,250,000,000 1,290,000,000 1,147,000,000 1,161,000,000 1,173,000,000 1,188,000,000 2,405,000,000 2,692,000,000 2,979,000,000 3,269,000,000 5,667,000,000 5,942,000,000 6,217,000,000 6,498,000,000 6,389,000,000 6,582,000,000 6,779,000,000 6,979,000,000 5,431,000,000 5,535,000,000 5,646,000,000                                              
        operating lease liabilities
      1,905,000,000 1,857,000,000 1,796,000,000 1,805,000,000 1,854,000,000 1,798,000,000 1,821,000,000 1,870,000,000 1,830,000,000 1,892,000,000 1,736,000,000 1,772,000,000 1,789,000,000 1,824,000,000 1,696,000,000 1,654,000,000 1,661,000,000 1,590,000,000 1,367,000,000 1,389,000,000 1,354,000,000 1,343,000,000 1,292,000,000 1,333,000,000 1,280,000,000 1,308,000,000 1,304,000,000 1,081,000,000 1,098,000,000                                              
        other non-current liabilities
      2,660,000,000 2,692,000,000 2,536,000,000 2,448,000,000 2,379,000,000 2,331,000,000 2,744,000,000 2,674,000,000 2,641,000,000 2,839,000,000 1,987,000,000 1,837,000,000 1,893,000,000 1,907,000,000 1,988,000,000 1,976,000,000 1,991,000,000 1,997,000,000 2,302,000,000 2,284,000,000 2,196,000,000 2,208,000,000 2,216,000,000 1,862,000,000 1,606,000,000 1,779,000,000 1,734,000,000 1,621,000,000 1,451,000,000 1,446,000,000 1,518,000,000 1,176,000,000 946,000,000 994,000,000 914,000,000 823,000,000 881,000,000 849,000,000 831,000,000 853,000,000 853,000,000 887,000,000 941,000,000 939,000,000 854,000,000 965,000,000 938,000,000 922,000,000 894,000,000 1,064,000,000 985,000,000 956,000,000 928,000,000 958,000,000 940,000,000 904,000,000 905,000,000                  
        total liabilities
      32,892,000,000 34,703,000,000 33,312,000,000 33,980,000,000 33,484,000,000 34,069,000,000 33,541,000,000 33,369,000,000 33,595,000,000 31,749,000,000 28,968,000,000 30,123,000,000 29,108,000,000 28,443,000,000 28,790,000,000 28,263,000,000 28,616,000,000 29,653,000,000 30,929,000,000 30,970,000,000 30,898,000,000 33,890,000,000 34,305,000,000 33,763,000,000 34,141,000,000 32,270,000,000 30,822,000,000 30,370,000,000 31,012,000,000 29,466,000,000 28,840,000,000 29,151,000,000 27,115,000,000 27,869,000,000 20,020,000,000 19,894,000,000 19,855,000,000 20,355,000,000 18,333,000,000 18,400,000,000 18,312,000,000 18,932,000,000 18,269,000,000 18,381,000,000 18,518,000,000 19,337,000,000 15,150,000,000 15,083,000,000 14,966,000,000 15,761,000,000 18,049,000,000 17,950,000,000 16,445,000,000 17,029,000,000 14,315,000,000 14,511,000,000 14,512,000,000 15,075,000,000 13,149,000,000 13,228,000,000 14,113,000,000 17,864,000,000 16,982,000,000 16,791,000,000 17,122,000,000 17,565,000,000 18,416,000,000 17,959,000,000 18,085,000,000 18,277,000,000 15,691,000,000 15,604,000,000 15,774,000,000 15,686,000,000 
        commitments and contingencies
                                                                                
        shareholders’ equity
                                                                                
        preferred stock, 1 par value; 10,000,000 shares authorized; no shares issued and outstanding
                                                                                
        common stock
      142,000,000 142,000,000 143,000,000 143,000,000 144,000,000 145,000,000 146,000,000 146,000,000 148,000,000 150,000,000 151,000,000 151,000,000 152,000,000 153,000,000 154,000,000 155,000,000 156,000,000 156,000,000 159,000,000 160,000,000 161,000,000 167,000,000 167,000,000 167,000,000 167,000,000 168,000,000 169,000,000 169,000,000 170,000,000 171,000,000 174,000,000 174,000,000 174,000,000 174,000,000 174,000,000 174,000,000 175,000,000 175,000,000 177,000,000 179,000,000 181,000,000 181,000,000 183,000,000 188,000,000 195,000,000 199,000,000 203,000,000 209,000,000 215,000,000 218,000,000 224,000,000 231,000,000 235,000,000 239,000,000 246,000,000 248,000,000 252,000,000 254,000,000 266,000,000 278,000,000 293,000,000 291,000,000 292,000,000 295,000,000 301,000,000 307,000,000 315,000,000  325,000,000 327,000,000 327,000,000 337,000,000 339,000,000 338,000,000 
        paid-in capital
      8,000,000                    8,000,000 58,000,000 27,000,000 10,000,000          44,000,000 16,000,000              292,000,000 848,000,000 1,479,000,000 2,124,000,000 2,461,000,000 2,924,000,000 3,296,000,000 3,443,000,000 3,646,000,000 3,873,000,000 4,460,000,000 5,026,000,000 5,934,000,000 7,778,000,000 7,827,000,000 7,949,000,000 8,264,000,000 8,657,000,000 9,061,000,000 9,243,000,000 9,482,000,000 9,645,000,000 9,668,000,000 10,335,000,000 10,438,000,000 10,661,000,000 
        retained earnings
      17,096,000,000 16,658,000,000 15,968,000,000 15,452,000,000 14,982,000,000 15,297,000,000 14,738,000,000 14,301,000,000 14,218,000,000 14,773,000,000 15,924,000,000 15,485,000,000 15,135,000,000 15,312,000,000 13,955,000,000 13,655,000,000 13,277,000,000 12,913,000,000 11,398,000,000 11,144,000,000 10,487,000,000 10,482,000,000 10,394,000,000 9,652,000,000 9,011,000,000 8,748,000,000 9,649,000,000 9,120,000,000 8,628,000,000 8,068,000,000 14,464,000,000 13,669,000,000 13,205,000,000 11,548,000,000 11,546,000,000 11,087,000,000 10,824,000,000 10,630,000,000 10,628,000,000 10,634,000,000 10,664,000,000 10,661,000,000 10,613,000,000 11,164,000,000 11,843,000,000 12,392,000,000 12,568,000,000 12,945,000,000 12,983,000,000 12,538,000,000 12,196,000,000 11,838,000,000 11,496,000,000 11,138,000,000 10,739,000,000 10,419,000,000 10,077,000,000 9,699,000,000 9,401,000,000 9,018,000,000 8,637,000,000 8,245,000,000 8,005,000,000 7,646,000,000 7,077,000,000 6,737,000,000 6,457,000,000 6,104,000,000 5,846,000,000 5,590,000,000 8,253,000,000 7,877,000,000 7,518,000,000 7,387,000,000 
        accumulated other comprehensive loss
      -131,000,000 -126,000,000 -123,000,000 -124,000,000 -142,000,000 -152,000,000 -136,000,000 -146,000,000 -143,000,000 -128,000,000 -147,000,000 -150,000,000 -151,000,000 -153,000,000 -166,000,000 -159,000,000 -146,000,000 -143,000,000 -140,000,000 -132,000,000 -131,000,000 -128,000,000 -121,000,000 -117,000,000 -116,000,000 -97,000,000 -87,000,000 -75,000,000 -59,000,000  -5,535,000,000 -5,616,000,000 -5,699,000,000 -4,718,000,000 -5,243,000,000 -5,342,000,000 -5,441,000,000 -5,546,000,000 -5,038,000,000 -5,132,000,000 -5,224,000,000 -5,320,000,000 -5,099,000,000 -5,181,000,000 -5,290,000,000 -5,356,000,000 -2,878,000,000 -2,886,000,000 -2,921,000,000 -2,984,000,000 -4,543,000,000 -4,635,000,000 -4,723,000,000 -4,787,000,000 -3,334,000,000 -3,395,000,000 -3,434,000,000 -3,490,000,000 -2,176,000,000 -2,173,000,000 -2,187,000,000 -2,757,000,000 -2,930,000,000 -2,987,000,000 -3,002,000,000 -3,014,000,000 -3,404,000,000 -3,477,000,000 -3,596,000,000 -3,642,000,000 -685,000,000 -686,000,000 -694,000,000 -699,000,000 
        total shareholders’ equity
      17,115,000,000 16,674,000,000 15,988,000,000 15,471,000,000 14,984,000,000 15,290,000,000 14,748,000,000 14,301,000,000 14,223,000,000 14,795,000,000 15,928,000,000 15,486,000,000 15,136,000,000 15,312,000,000 13,943,000,000 13,651,000,000 13,287,000,000 12,926,000,000 11,417,000,000 11,172,000,000 10,525,000,000 10,579,000,000 10,467,000,000 9,712,000,000 9,062,000,000 8,819,000,000 9,731,000,000 9,214,000,000 8,739,000,000 8,187,000,000 9,103,000,000 8,227,000,000 7,680,000,000 7,048,000,000 6,493,000,000 5,919,000,000 5,558,000,000 5,259,000,000 5,767,000,000 5,681,000,000 5,621,000,000 5,522,000,000 5,697,000,000 6,171,000,000 6,748,000,000 7,235,000,000 9,893,000,000 10,268,000,000 10,569,000,000 10,620,000,000 9,356,000,000 9,558,000,000 9,469,000,000 9,514,000,000 10,947,000,000 10,715,000,000 10,541,000,000 10,336,000,000 11,951,000,000 12,149,000,000 12,677,000,000 13,557,000,000 13,194,000,000 12,903,000,000 12,640,000,000 12,687,000,000 12,429,000,000 12,189,000,000 12,057,000,000 11,920,000,000 17,563,000,000 17,863,000,000 17,601,000,000 17,687,000,000 
        total liabilities and shareholders’ equity
      50,007,000,000 51,377,000,000 49,300,000,000 49,451,000,000 48,468,000,000 49,359,000,000 48,289,000,000 47,670,000,000 47,818,000,000 46,544,000,000 44,896,000,000 45,609,000,000 44,244,000,000 43,755,000,000 42,733,000,000 41,914,000,000 41,903,000,000 42,579,000,000 42,346,000,000 42,142,000,000 41,423,000,000 44,469,000,000 44,772,000,000 43,475,000,000 43,203,000,000 41,089,000,000 40,553,000,000 39,584,000,000 39,751,000,000 37,653,000,000 37,943,000,000 37,378,000,000 34,795,000,000 34,917,000,000 26,513,000,000 25,813,000,000 25,413,000,000 25,614,000,000 24,100,000,000 24,081,000,000 23,933,000,000 24,454,000,000 23,966,000,000 24,552,000,000 25,266,000,000 26,572,000,000 25,043,000,000 25,351,000,000 25,535,000,000 26,381,000,000 27,405,000,000 27,508,000,000 25,914,000,000 26,543,000,000 25,262,000,000 25,226,000,000 25,053,000,000 25,411,000,000 25,100,000,000 25,377,000,000 26,790,000,000 31,421,000,000 30,176,000,000 29,694,000,000 29,762,000,000 30,252,000,000 30,845,000,000 30,148,000,000 30,142,000,000 30,197,000,000 33,254,000,000 33,467,000,000 33,375,000,000 33,373,000,000 
        intangible assets
        220,000,000 231,000,000 242,000,000 254,000,000 268,000,000 282,000,000 290,000,000 305,000,000 324,000,000 344,000,000 364,000,000 384,000,000 433,000,000 483,000,000 533,000,000 578,000,000 629,000,000 680,000,000 732,000,000 783,000,000 844,000,000 909,000,000 974,000,000 1,040,000,000 1,123,000,000 1,206,000,000 1,289,000,000 1,372,000,000 1,460,000,000 1,329,000,000                                           
        deferred tax liabilities
                   132,000,000 86,000,000 131,000,000 310,000,000 490,000,000     39,000,000    111,000,000 140,000,000 133,000,000 108,000,000                                             
        assets of disposal group held for sale
                           1,635,000,000                                                     
        liabilities of disposal group held for sale
                           258,000,000                                                     
        advance payments and amounts in excess of costs incurred
                                   1,917,000,000 1,686,000,000 1,711,000,000 1,479,000,000 1,617,000,000 1,290,000,000 1,340,000,000 1,286,000,000 1,471,000,000 1,306,000,000 1,383,000,000 1,409,000,000 1,537,000,000 1,299,000,000 1,370,000,000 1,430,000,000 1,713,000,000 1,610,000,000 1,588,000,000 1,494,000,000 1,722,000,000 1,698,000,000                        
        pension and opb plan liabilities
                                   5,755,000,000                                             
        accumulated other comprehensive income
                                   -52,000,000                                             
        pension and other post-retirement benefit plan liabilities
                                    5,394,000,000 5,755,000,000 5,362,000,000 5,511,000,000 6,579,000,000 6,666,000,000 6,746,000,000 6,818,000,000 6,009,000,000 6,061,000,000 6,117,000,000 6,172,000,000 5,778,000,000 5,871,000,000 5,962,000,000 6,555,000,000 2,775,000,000 2,820,000,000 2,874,000,000 2,954,000,000                         
        non-current deferred tax assets
                                                1,352,000,000 1,383,000,000 1,393,000,000 1,622,000,000 129,000,000 180,000,000 199,000,000 209,000,000 1,274,000,000 1,429,000,000 1,510,000,000 1,542,000,000 680,000,000 838,000,000 895,000,000  487,000,000 555,000,000               
        accounts receivable, net of progress payments
                                                        3,003,000,000 3,124,000,000 3,050,000,000 2,858,000,000 2,973,000,000 3,119,000,000 3,231,000,000 2,964,000,000 3,328,000,000 3,474,000,000 3,563,000,000 4,057,000,000 4,172,000,000 4,160,000,000 4,197,000,000 3,394,000,000 3,951,000,000 4,251,000,000 4,416,000,000  3,957,000,000    
        inventoried costs, net of progress payments
                                                        784,000,000 745,000,000 930,000,000 798,000,000 627,000,000 704,000,000 804,000,000 873,000,000 884,000,000 902,000,000 859,000,000 1,185,000,000 1,193,000,000 1,148,000,000 1,289,000,000 1,170,000,000 1,243,000,000 1,099,000,000 1,178,000,000  1,147,000,000    
        pension and post-retirement benefit plan liabilities
                                                        5,374,000,000 5,426,000,000 6,025,000,000  3,754,000,000                    
        pension and post-retirement plan liabilities
                                                           6,085,000,000  4,067,000,000 4,080,000,000 4,079,000,000 2,591,000,000 2,597,000,000 3,097,000,000 4,116,000,000 4,511,000,000 4,487,000,000 4,723,000,000 4,874,000,000 5,349,000,000 5,816,000,000       
        accrued employees compensation
                                                             1,020,000,000 935,000,000                  
        property, plant, and equipment, net of accumulated depreciation of 4,018 in 2012 and 3,933 in 2011
                                                              2,993,000,000                  
        current assets
                                                                                
        assets of discontinued operations
                                                                                
        property, plant, and equipment
                                                               3,047,000,000    5,042,000,000    4,868,000,000    4,810,000,000    4,715,000,000 
        land and land improvements
                                                               375,000,000    666,000,000    649,000,000    619,000,000    605,000,000 
        buildings and improvements
                                                               1,433,000,000    2,658,000,000    2,422,000,000         
        machinery and other equipment
                                                               4,143,000,000    5,134,000,000    4,759,000,000    5,080,000,000    4,775,000,000 
        capitalized software costs
                                                               444,000,000    636,000,000    624,000,000         
        leasehold improvements
                                                               585,000,000    670,000,000    630,000,000    588,000,000    526,000,000 
        property, plant, and equipment, cost
                                                               6,980,000,000                 
        accumulated depreciation
                                                               -3,933,000,000    -4,722,000,000    -4,216,000,000    -3,803,000,000    -3,440,000,000 
        other assets
                                                                            983,000,000 1,019,000,000 1,038,000,000  
        other purchased intangibles, net of accumulated amortization of 1,650 in 2011 and 1,613 in 2010
                                                               155,000,000                 
        pension and post-retirement plan assets
                                                               153,000,000 355,000,000 344,000,000 333,000,000 450,000,000 324,000,000 308,000,000 304,000,000 300,000,000 292,000,000 292,000,000       
        long-term deferred tax assets
                                                               900,000,000   691,000,000 612,000,000 654,000,000 844,000,000 883,000,000 1,010,000,000 1,281,000,000 1,414,000,000 1,455,000,000      
        miscellaneous other assets
                                                               1,036,000,000 1,022,000,000 1,086,000,000 1,090,000,000 1,117,000,000 1,110,000,000 1,055,000,000 1,046,000,000 1,049,000,000 988,000,000 947,000,000 921,000,000 933,000,000    1,060,000,000 
        total other assets
                                                               14,618,000,000    16,475,000,000    16,749,000,000    18,198,000,000    21,886,000,000 
        liabilities and shareholders’ equity
                                                                                
        current liabilities
                                                                                
        notes payables to banks and current portion of long-term debt
                                                               13,000,000                 
        accrued employees’ compensation
                                                               1,196,000,000 1,076,000,000 1,062,000,000 944,000,000 1,349,000,000 1,238,000,000 1,229,000,000 1,134,000,000 1,281,000,000 1,419,000,000 1,325,000,000 1,280,000,000 1,284,000,000 1,370,000,000 1,283,000,000 1,248,000,000 1,180,000,000 
        liabilities of discontinued operations
                                                                                
        other long-term liabilities
                                                               926,000,000 901,000,000 899,000,000 916,000,000 1,317,000,000 1,271,000,000 1,200,000,000 1,471,000,000 1,515,000,000 1,603,000,000 1,552,000,000 1,503,000,000 1,587,000,000 1,934,000,000 2,076,000,000 2,004,000,000 1,978,000,000 
        preferred stock, 1 par value; 10,000,000 shares authorized; no shares issued and outstanding in 2011 and 2010
                                                                                
        current deferred tax assets
                                                                393,000,000 465,000,000               
        property, plant, and equipment, net of accumulated depreciation of 3,897 in 2011 and 3,712 in 2010
                                                                3,010,000,000                
        other purchased intangibles, net of accumulated amortization of 1,641 in 2011 and 1,613 in 2010
                                                                164,000,000                
        notes payable to banks
                                                                16,000,000 19,000,000 16,000,000 10,000,000 15,000,000 13,000,000 14,000,000 12,000,000 28,000,000 27,000,000 24,000,000 24,000,000 28,000,000 23,000,000 59,000,000 26,000,000 
        current portion of long-term debt
                                                                23,000,000 23,000,000 23,000,000 774,000,000 757,000,000 760,000,000 761,000,000 91,000,000 491,000,000 493,000,000 565,000,000 477,000,000 73,000,000 74,000,000 110,000,000 111,000,000 
        property, plant, and equipment, net of accumulated depreciation of 3,864 in 2011 and 3,712 in 2010
                                                                 3,028,000,000               
        other purchased intangibles, net of accumulated amortization of 1,631 in 2011 and 1,613 in 2010
                                                                 174,000,000               
        property, plant, and equipment, net of accumulated depreciation of 3,781 in 2011 and 3,712 in 2010
                                                                  3,046,000,000              
        other purchased intangibles, net of accumulated amortization of 1,622 in 2011 and 1,613 in 2010
                                                                  183,000,000              
        property, plant, and equipment - sum
                                                                   9,764,000,000    9,084,000,000    8,613,000,000    8,155,000,000 
        other purchased intangibles, net of accumulated amortization of 1,965 in 2010 and 1,871 in 2009
                                                                   779,000,000             
        property, plant, and equipment, net of accumulated depreciation of 4,608 in 2010 and 4,216 in 2009
                                                                    4,767,000,000            
        other purchased intangibles, net of accumulated amortization of 1,943 in 2010 and 1,871 in 2009
                                                                    801,000,000            
        property, plant, and equipment, net of accumulated depreciation of 4,465 in 2010 and 4,216 in 2009
                                                                     4,763,000,000           
        other purchased intangibles, net of accumulated amortization of 1,921 in 2010 and 1,871 in 2009
                                                                     823,000,000           
        property, plant, and equipment, net of accumulated depreciation of 4,340 in 2010 and 4,216 in 2009
                                                                      4,797,000,000          
        other purchased intangibles, net of accumulated amortization of 1,898 in 2010 and 1,871 in 2009
                                                                      846,000,000          
        other purchased intangibles, net of accumulated amortization of 1,871 in 2009 and 1,767 in 2008
                                                                       873,000,000         
        property, plant, and equipment, net of accumulated depreciation of 4,171 in 2009 and 3,803 in 2008
                                                                        4,775,000,000        
        other purchased intangibles, net of accumulated amortization of 1,873 in 2009 and 1,795 in 2008
                                                                        899,000,000        
        property, plant, and equipment, net of accumulated depreciation of 4,053 in 2009 and 3,803 in 2008
                                                                         4,778,000,000       
        other purchased intangibles, net of accumulated amortization of 1,847 in 2009 and 1,795 in 2008
                                                                         925,000,000       
        outstanding: 2009 – 319,156,206; 2008 – 327,012,663
                                                                         319,000,000       
        deferred income taxes
                                                                          520,000,000 549,000,000 481,000,000 503,000,000 529,000,000 542,000,000 
        property, plant, and equipment, net of accumulated depreciation of 3,925 in 2009 and 3,803 in 2008
                                                                          4,777,000,000      
        other purchased intangibles, net of accumulated amortization of 1,821 in 2009 and 1,795 in 2008
                                                                          921,000,000      
        pension and postretirement plan assets
                                                                          292,000,000      
        pension and postretirement plan liabilities
                                                                          5,721,000,000      
        buildings
                                                                           2,326,000,000    2,249,000,000 
        other purchased intangibles, net of accumulated amortization of 1,795 in 2008 and 1,687 in 2007
                                                                           947,000,000     
        pension and postretirement benefits asset
                                                                           290,000,000 2,148,000,000 2,125,000,000 2,103,000,000 2,080,000,000 
        long-term deferred tax asset
                                                                           1,510,000,000     
        in millions
                                                                           2,008,000,000    2,007,000,000 
        mandatorily redeemable preferred stock
                                                                              46,000,000 350,000,000 
        pension and postretirement benefits liability
                                                                           5,823,000,000 3,102,000,000 3,093,000,000 3,059,000,000 3,008,000,000 
        assets:
                                                                                
        property, plant, and equipment, net of accumulated depreciation of 3,719 in 2008 and 3,424 in 2007
                                                                            4,675,000,000    
        other purchased intangibles, net of accumulated amortization of 1,767 in 2008 and 1,687 in 2007
                                                                            964,000,000    
        liabilities:
                                                                                
        mandatorily redeemable convertible preferred stock
                                                                                
        shareholders’ equity:
                                                                                
        accounts receivable, net of progress payments of 43,630 in 2008 and 40,475 in 2007
                                                                             4,325,000,000   
        inventoried costs, net of progress payments of 1,560 in 2008 and 1,345 in 2007
                                                                             1,089,000,000   
        property, plant, and equipment, net of accumulated depreciation of 3,608 in 2008 and 3,424 in 2007
                                                                             4,651,000,000   
        other purchased intangibles, net of accumulated amortization of 1,739 in 2008 and 1,687 in 2007
                                                                             992,000,000   
        accounts receivable, net of progress payments of 41,983 in 2008 and 40,475 in 2007
                                                                              4,358,000,000  
        inventoried costs, net of progress payments of 1,479 in 2008 and 1,345 in 2007
                                                                              1,132,000,000  
        property, plant, and equipment, net of accumulated depreciation of 3,552 in 2008 and 3,424 in 2007
                                                                              4,645,000,000  
        other purchased intangibles, net of accumulated amortization of 1,711 in 2008 and 1,687 in 2007
                                                                              1,020,000,000  
        other purchased intangibles, net of accumulated amortization of 1,687 in 2007 and 1,555 in 2006
                                                                               1,074,000,000 
        liabilities and shareholders’ equity:
                                                                                
        income tax payable
                                                                                
      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 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 
                                                                                 
          operating activities
                                                                                 
          net earnings
        875,000,000 1,427,000,000 1,100,000,000 1,174,000,000 481,000,000 1,264,000,000 1,026,000,000 940,000,000 944,000,000 -535,000,000 937,000,000 812,000,000 842,000,000 2,080,000,000 915,000,000 946,000,000 955,000,000 2,710,000,000 1,063,000,000 1,037,000,000 2,195,000,000 330,000,000 986,000,000 1,005,000,000 868,000,000 -409,000,000 933,000,000 861,000,000 863,000,000 657,000,000 1,144,000,000 689,000,000 739,000,000 178,000,000 645,000,000 552,000,000 640,000,000 525,000,000 602,000,000 517,000,000 556,000,000 459,000,000 516,000,000 531,000,000 484,000,000 506,000,000 473,000,000 511,000,000 579,000,000                         
          adjustments to reconcile to net cash from operating activities:
                                                                                 
          depreciation and amortization
        372,000,000 406,000,000 379,000,000 350,000,000 337,000,000 414,000,000 331,000,000 326,000,000 299,000,000 400,000,000 317,000,000 323,000,000 298,000,000 382,000,000 327,000,000 330,000,000 303,000,000 331,000,000 314,000,000 300,000,000 294,000,000 345,000,000 317,000,000 308,000,000 297,000,000 281,000,000 258,000,000 245,000,000 234,000,000 266,000,000 253,000,000 159,000,000 122,000,000 153,000,000 111,000,000 107,000,000 104,000,000 134,000,000 113,000,000 106,000,000 103,000,000 138,000,000 113,000,000 117,000,000 99,000,000 140,000,000 105,000,000 108,000,000 109,000,000                         
          stock-based compensation
        20,000,000 54,000,000 25,000,000 20,000,000 20,000,000 29,000,000 26,000,000 26,000,000 20,000,000 23,000,000 17,000,000 28,000,000 19,000,000 27,000,000 30,000,000 24,000,000 18,000,000 23,000,000 31,000,000 22,000,000 18,000,000 29,000,000 25,000,000 18,000,000 18,000,000 34,000,000 38,000,000 29,000,000 26,000,000 4,000,000 29,000,000 34,000,000 19,000,000 28,000,000 24,000,000 25,000,000 17,000,000 32,000,000 24,000,000 23,000,000 14,000,000 29,000,000 23,000,000 23,000,000 24,000,000 41,000,000 42,000,000 29,000,000 22,000,000                         
          deferred income taxes
        308,000,000 204,000,000 458,000,000 -80,000,000 -34,000,000 -195,000,000 -157,000,000 -127,000,000 -103,000,000 -690,000,000 125,000,000 -218,000,000 -205,000,000 117,000,000 -39,000,000 -198,000,000 -201,000,000 708,000,000 16,000,000 -122,000,000 1,000,000 -159,000,000 200,000,000 13,000,000 156,000,000 -533,000,000 -24,000,000 15,000,000 33,000,000 58,000,000 193,000,000 38,000,000 -55,000,000 524,000,000 126,000,000 -31,000,000 -16,000,000 49,000,000 76,000,000 -54,000,000 -35,000,000 407,000,000 26,000,000 -65,000,000 204,000,000 140,000,000 55,000,000 -19,000,000 40,000,000                         
          b-21 loss provision
          477,000,000                                                                     
          net periodic pension and opb income
        -120,000,000 -90,000,000 -87,000,000 -88,000,000 -81,000,000 -99,000,000 -113,000,000 -113,000,000 -113,000,000 -78,000,000 -76,000,000 -78,000,000 -76,000,000 -298,000,000 -298,000,000 -299,000,000 -298,000,000 -273,000,000 -272,000,000                                                       
          pension and opb contributions
        -33,000,000 -36,000,000 -32,000,000 -34,000,000 -28,000,000 -36,000,000 -24,000,000 -33,000,000 -36,000,000 -31,000,000 -33,000,000 -35,000,000 -40,000,000 -30,000,000 -35,000,000 -35,000,000 -36,000,000 -33,000,000 -34,000,000                                                       
          changes in assets and liabilities:
                                                                                 
          accounts receivable
        -431,000,000 608,000,000 213,000,000 -387,000,000 -542,000,000 337,000,000 85,000,000 138,000,000 -378,000,000 310,000,000 335,000,000 -41,000,000 -550,000,000 425,000,000 451,000,000 -674,000,000 -246,000,000 123,000,000 320,000,000 -200,000,000 -253,000,000 347,000,000 31,000,000 147,000,000 -810,000,000 785,000,000 -279,000,000 334,000,000 -718,000,000 254,000,000 93,000,000 42,000,000 -187,000,000 438,000,000 -134,000,000 -208,000,000 -773,000,000 369,000,000 -183,000,000 -133,000,000 -514,000,000 433,000,000 -119,000,000 -19,000,000 -325,000,000 426,000,000 46,000,000 -46,000,000 -531,000,000                         
          unbilled receivables
        -551,000,000 486,000,000 103,000,000 -274,000,000 -1,069,000,000 610,000,000 -84,000,000 16,000,000 -757,000,000 534,000,000 -397,000,000 342,000,000 -232,000,000 392,000,000 -319,000,000 -93,000,000 -626,000,000 182,000,000 -284,000,000 45,000,000 -357,000,000 546,000,000 -260,000,000 458,000,000 -584,000,000 443,000,000 -120,000,000 101,000,000 -759,000,000 601,000,000 -328,000,000 -166,000,000 -404,000,000                                         
          inventoried costs
        -144,000,000 276,000,000 -77,000,000 23,000,000 -125,000,000 184,000,000 -144,000,000 -136,000,000 -262,000,000 176,000,000 -65,000,000 -194,000,000 -137,000,000 -34,000,000 -73,000,000 -71,000,000 -27,000,000 61,000,000 -9,000,000 -3,000,000 -101,000,000 88,000,000 -21,000,000 -47,000,000 -2,000,000 21,000,000 -32,000,000 -124,000,000 65,000,000 -29,000,000 -36,000,000 -37,000,000 227,000,000 32,000,000 -106,000,000 -117,000,000 -29,000,000 184,000,000 -81,000,000 -89,000,000 50,000,000 -13,000,000 -41,000,000 -76,000,000 -67,000,000 76,000,000 33,000,000 -66,000,000                         
          prepaid expenses and other assets
        -37,000,000 37,000,000 -50,000,000 63,000,000 -42,000,000 50,000,000 -60,000,000 -4,000,000 49,000,000 41,000,000 -193,000,000 120,000,000 -54,000,000 66,000,000 -178,000,000 98,000,000 16,000,000 60,000,000 -20,000,000 64,000,000 -38,000,000 -25,000,000 -106,000,000 -72,000,000 56,000,000 3,000,000 -33,000,000 -25,000,000 -23,000,000 53,000,000 -166,000,000 44,000,000 13,000,000 5,000,000 -61,000,000 21,000,000 -46,000,000 34,000,000 -151,000,000 11,000,000 -4,000,000 16,000,000 -21,000,000 32,000,000 16,000,000 43,000,000 -7,000,000 -17,000,000 -6,000,000                         
          trade accounts payable
        -559,000,000                                                                         
          advance payments and billings in excess of costs incurred
        -389,000,000                                                                         
          other liabilities
        -802,000,000                                                                         
          income taxes payable
        -164,000,000 -138,000,000 -276,000,000 -203,000,000 58,000,000 37,000,000 181,000,000 706,000,000 219,000,000 -698,000,000 -245,000,000 -291,000,000 576,000,000 -223,000,000 -142,000,000 -275,000,000 361,000,000 -448,000,000 -218,000,000 -147,000,000 1,028,000,000 -349,000,000 -219,000,000 320,000,000 10,000,000 -29,000,000 -228,000,000 54,000,000 140,000,000 -144,000,000 -300,000,000 -11,000,000 197,000,000 -99,000,000 -148,000,000 -62,000,000 152,000,000 -70,000,000 -7,000,000 51,000,000 174,000,000 -268,000,000 89,000,000 -52,000,000 366,000,000 -117,000,000 98,000,000 -176,000,000 279,000,000                         
          other operating activities
        -1,000,000                                                                         
          net cash from operating activities
        -1,656,000,000 3,897,000,000 1,557,000,000 868,000,000 -1,565,000,000 2,578,000,000 1,091,000,000 1,425,000,000 -706,000,000 2,430,000,000 1,228,000,000 919,000,000 -702,000,000 2,251,000,000 1,335,000,000 -197,000,000 -488,000,000 1,442,000,000 1,163,000,000 1,028,000,000 -66,000,000 1,602,000,000 1,359,000,000 2,337,000,000 -993,000,000 2,464,000,000 1,139,000,000 1,607,000,000 -913,000,000 2,377,000,000 812,000,000 875,000,000 -237,000,000 1,607,000,000 938,000,000 507,000,000 -439,000,000 1,531,000,000 738,000,000 604,000,000 -60,000,000 1,633,000,000 557,000,000 626,000,000 -654,000,000 1,490,000,000 933,000,000 572,000,000 -402,000,000 1,204,000,000 950,000,000 328,000,000 1,000,000 1,057,000,000 812,000,000 876,000,000 -105,000,000 1,321,000,000 948,000,000 -34,000,000 -120,000,000 1,387,000,000 978,000,000 619,000,000 -531,000,000 931,000,000 544,000,000 830,000,000 -172,000,000 1,037,000,000 1,373,000,000 607,000,000 194,000,000 
          investing activities
                                                                                 
          capital expenditures
        -167,000,000 -662,000,000 -301,000,000 -231,000,000 -256,000,000 -816,000,000 -361,000,000 -320,000,000 -270,000,000 -803,000,000 -359,000,000 -304,000,000 -309,000,000 -632,000,000 -296,000,000 -263,000,000 -244,000,000 -733,000,000 -247,000,000 -230,000,000 -205,000,000 -592,000,000 -287,000,000 -269,000,000 -272,000,000 -471,000,000 -257,000,000 -252,000,000 -284,000,000 -463,000,000 -282,000,000 -199,000,000 -305,000,000 -278,000,000 -217,000,000 -217,000,000 -216,000,000 -312,000,000 -137,000,000 -173,000,000 -298,000,000 -137,000,000 -102,000,000 -115,000,000 -117,000,000 -276,000,000 -109,000,000 -116,000,000 -60,000,000 -186,000,000 -90,000,000 -48,000,000 -40,000,000 -135,000,000 -64,000,000 -51,000,000 -81,000,000 -164,000,000 -108,000,000 -94,000,000 -122,000,000 -372,000,000 -160,000,000 -103,000,000 -135,000,000 -218,000,000 -139,000,000 -135,000,000 -162,000,000 -237,000,000 -167,000,000 -134,000,000 -143,000,000 
          free cash flows
        -1,823,000,000 3,235,000,000 1,256,000,000 637,000,000 -1,821,000,000 1,762,000,000 730,000,000 1,105,000,000 -976,000,000 1,627,000,000 869,000,000 615,000,000 -1,011,000,000 1,619,000,000 1,039,000,000 -460,000,000 -732,000,000 709,000,000 916,000,000 798,000,000 -271,000,000 1,010,000,000 1,072,000,000 2,068,000,000 -1,265,000,000 1,993,000,000 882,000,000 1,355,000,000 -1,197,000,000 1,914,000,000 530,000,000 676,000,000 -542,000,000 1,329,000,000 721,000,000 290,000,000 -655,000,000 1,219,000,000 601,000,000 431,000,000 -358,000,000 1,496,000,000 455,000,000 511,000,000 -771,000,000 1,214,000,000 824,000,000 456,000,000 -462,000,000 1,018,000,000 860,000,000 280,000,000 -39,000,000 922,000,000 748,000,000 825,000,000 -186,000,000 1,157,000,000 840,000,000 -128,000,000 -242,000,000 1,015,000,000 818,000,000 516,000,000 -666,000,000 713,000,000 405,000,000 695,000,000 -334,000,000 800,000,000 1,206,000,000 473,000,000 51,000,000 
          other investing activities
        -1,000,000                                         4,000,000 38,000,000 -4,000,000 2,000,000 -12,000,000 -72,000,000 9,000,000 3,000,000 4,000,000 2,000,000 -10,000,000 6,000,000   35,000,000 4,000,000 2,000,000 7,000,000 -26,000,000 -2,000,000 21,000,000 3,000,000  14,000,000 1,000,000 1,000,000 1,000,000 1,000,000 
          net cash from investing activities
        -168,000,000 -664,000,000 -300,000,000 61,000,000 -252,000,000 -798,000,000 -361,000,000 -321,000,000 -269,000,000 -770,000,000 -200,000,000 -303,000,000 -309,000,000 -578,000,000 -195,000,000 -219,000,000 -249,000,000 -741,000,000 -223,000,000 -174,000,000 3,196,000,000 -383,000,000 -289,000,000 -269,000,000 -270,000,000 -422,000,000 -250,000,000 -255,000,000 -280,000,000 -458,000,000 -261,000,000 -7,852,000,000 -307,000,000 -260,000,000 -203,000,000 -212,000,000 -214,000,000 -200,000,000 -136,000,000 -171,000,000 -298,000,000 -133,000,000 -64,000,000 -119,000,000 -115,000,000 -288,000,000 -109,000,000 -116,000,000 -132,000,000 -177,000,000 -87,000,000 -44,000,000 -38,000,000 -145,000,000 -101,000,000 -7,000,000 169,000,000 -409,000,000 -101,000,000 -91,000,000 1,281,000,000 -380,000,000 -163,000,000 -83,000,000 -135,000,000 1,406,000,000 -177,000,000 -186,000,000 -176,000,000 -327,000,000 -167,000,000 16,000,000 -148,000,000 
          financing activities
                                                                                 
          payments of long-term debt
        -527,000,000 -1,500,000,000            -36,000,000 -2,200,000,000 -1,000,000,000       -726,000,000       -214,000,000 -107,000,000               -18,000,000 -750,000,000             
          net borrowings on commercial paper
        498,000,000   -908,000,000 1,474,000,000                    744,000,000  100,000,000 -713,000,000 814,000,000 -301,000,000 250,000,000                                           
          common stock repurchases
        -68,000,000 -456,000,000 -277,000,000 -411,000,000 -480,000,000 -441,000,000 -321,000,000 -562,000,000 -1,190,000,000 -346,000,000 -223,000,000 -208,000,000 -723,000,000 -493,000,000 -371,000,000 -322,000,000 -318,000,000 -981,000,000 -581,000,000 -143,000,000 -2,000,000,000 -146,000,000 -344,000,000 -300,000,000 -213,000,000 -171,000,000 -60,000,000 -1,054,000,000 -168,000,000   -26,000,000 -138,000,000 -229,000,000 -398,000,000 -467,000,000 -400,000,000 -282,000,000 -318,000,000 -948,000,000 -1,091,000,000 -825,000,000 -610,000,000 -757,000,000 -731,000,000 -570,000,000 -710,000,000 -740,000,000 -465,000,000 -456,000,000 -470,000,000 -291,000,000 -292,000,000 -263,000,000 -697,000,000 -585,000,000 -1,000,000,000 -13,000,000 -117,000,000 -205,000,000 -348,000,000 -507,000,000 -450,000,000 -227,000,000 -273,000,000 -150,000,000 -93,000,000 -657,000,000 -205,000,000 -600,000,000 
          cash dividends paid
        -333,000,000 -329,000,000 -330,000,000 -332,000,000 -302,000,000 -299,000,000 -301,000,000 -303,000,000 -283,000,000 -282,000,000 -280,000,000 -284,000,000 -270,000,000 -266,000,000 -267,000,000 -268,000,000 -251,000,000 -246,000,000 -251,000,000 -248,000,000 -238,000,000 -242,000,000 -242,000,000 -242,000,000 -227,000,000 -222,000,000 -223,000,000 -224,000,000 -211,000,000 -205,000,000 -209,000,000 -209,000,000 -198,000,000 -174,000,000 -174,000,000 -175,000,000 -166,000,000 -158,000,000 -160,000,000 -163,000,000 -159,000,000 -145,000,000 -149,000,000 -153,000,000 -156,000,000 -140,000,000 -143,000,000 -148,000,000 -132,000,000 -134,000,000 -139,000,000 -142,000,000 -130,000,000 -134,000,000 -136,000,000 -138,000,000 -127,000,000                 
          payments of employee taxes withheld from share-based awards
        -57,000,000 -1,000,000 -38,000,000 -1,000,000 -2,000,000 -55,000,000 -1,000,000 -1,000,000 -3,000,000 -47,000,000 -2,000,000 -48,000,000 -1,000,000 -2,000,000 -1,000,000 -30,000,000 -2,000,000 -1,000,000 -63,000,000 -2,000,000 -2,000,000 -61,000,000 -1,000,000 -4,000,000 -1,000,000 -79,000,000 -1,000,000 -1,000,000 -90,000,000 -1,000,000 -2,000,000 -13,000,000 -137,000,000                                 
          other financing activities
        -2,000,000                                         -10,000,000 -11,000,000 -2,000,000 -67,000,000 9,000,000 2,000,000 14,000,000 -29,000,000 -3,000,000 8,000,000 -13,000,000 -73,000,000 -10,000,000 -5,000,000 -2,000,000 -61,000,000 -9,000,000 -3,000,000               
          net cash from financing activities
        -489,000,000 -787,000,000 -1,199,000,000 -715,000,000 -851,000,000 -753,000,000 -676,000,000 -893,000,000 927,000,000 -633,000,000 -2,330,000,000 273,000,000 929,000,000 -762,000,000 -643,000,000 -589,000,000 -619,000,000 -1,226,000,000 -826,000,000 -430,000,000 -4,520,000,000 -1,307,000,000 -253,000,000 -1,168,000,000 2,296,000,000 -924,000,000 -850,000,000 -1,112,000,000 462,000,000 -1,568,000,000 -862,000,000 -1,853,000,000 -312,000,000 8,000,000,000 -240,000,000 -315,000,000 -485,000,000 107,000,000 -638,000,000 -571,000,000 -684,000,000 -473,000,000 -1,108,000,000 -1,246,000,000 -448,000,000 -741,000,000 -898,000,000 -865,000,000 -731,000,000 -821,000,000 -823,000,000 1,437,000,000 -642,000,000 -575,000,000 -334,000,000 -403,000,000 -384,000,000 -856,000,000 -711,000,000 -1,084,000,000 -843,000,000 166,000,000 -331,000,000 -453,000,000 -648,000,000 -986,000,000 501,000,000 -470,000,000 -274,000,000 -222,000,000 -771,000,000 -471,000,000 -580,000,000 
          decrease in cash and cash equivalents
        -2,313,000,000    -2,668,000,000    -48,000,000    -82,000,000  497,000,000 -1,005,000,000 -1,356,000,000          39,000,000    -311,000,000 -8,830,000,000 -856,000,000  495,000,000 -20,000,000 -1,138,000,000  -36,000,000 -138,000,000 -1,042,000,000  -615,000,000 -739,000,000 -1,217,000,000    -1,265,000,000    -679,000,000      136,000,000     83,000,000 -1,314,000,000   174,000,000 -622,000,000   152,000,000 -534,000,000 
          cash and cash equivalents, beginning of year
        4,403,000,000 4,353,000,000 3,109,000,000 2,577,000,000 3,530,000,000 4,907,000,000 2,245,000,000   11,225,000,000 2,541,000,000 2,319,000,000 3,863,000,000 5,150,000,000 3,862,000,000 3,002,000,000                 
          cash and cash equivalents, end of period
        2,090,000,000 2,446,000,000 58,000,000 214,000,000 1,685,000,000 1,027,000,000 54,000,000 211,000,000 3,061,000,000  -1,302,000,000 889,000,000 2,495,000,000  497,000,000 -1,005,000,000 2,174,000,000  114,000,000 424,000,000 3,517,000,000  817,000,000 900,000,000 3,278,000,000  39,000,000    -311,000,000 -8,830,000,000 10,369,000,000  495,000,000 -20,000,000 1,403,000,000  -36,000,000 -138,000,000 1,277,000,000  -615,000,000 -739,000,000 2,646,000,000  -74,000,000 -409,000,000 3,885,000,000  40,000,000 1,721,000,000 3,183,000,000  377,000,000 466,000,000 2,682,000,000  136,000,000 -1,209,000,000 4,019,000,000  484,000,000 83,000,000 1,961,000,000  868,000,000 174,000,000 882,000,000  435,000,000 152,000,000 429,000,000 
          b-21 loss provisions
                                                                                 
          gain on sale of business
                       -1,980,000,000                                                     
          mark-to-market pension and opb expense
                                                                                 
          divestiture of training services business
                                                                               
          proceeds from sale of minority investments
                                                                                 
          net proceeds from issuance of long-term debt
           2,495,000,000 1,995,000,000         2,239,000,000                 600,000,000                           
          increase in cash and cash equivalents
         2,446,000,000 58,000,000   1,027,000,000 54,000,000           -525,000,000 114,000,000 424,000,000 -1,390,000,000 -88,000,000 817,000,000 900,000,000 1,033,000,000                     461,000,000 -74,000,000   206,000,000 40,000,000   337,000,000 377,000,000 466,000,000 -320,000,000    318,000,000 1,173,000,000    1,351,000,000    488,000,000    
          accounts payable and other liabilities
          -150,000,000 522,000,000 -1,014,000,000 402,000,000 3,000,000 -337,000,000 -581,000,000 962,000,000 600,000,000 85,000,000 -1,128,000,000 629,000,000 667,000,000 8,000,000 -732,000,000 327,000,000 251,000,000 387,000,000 -589,000,000 436,000,000 657,000,000 459,000,000 -833,000,000 297,000,000 687,000,000 113,000,000 -480,000,000 506,000,000 297,000,000 168,000,000 -590,000,000 580,000,000 269,000,000 156,000,000 -466,000,000 490,000,000 -5,000,000 77,000,000 -364,000,000 326,000,000 -88,000,000 19,000,000 -889,000,000 425,000,000 74,000,000                           
          other
          -49,000,000 13,000,000 -3,000,000 24,000,000 21,000,000 23,000,000 -7,000,000 35,000,000 -94,000,000 66,000,000 -15,000,000 -50,000,000 29,000,000 42,000,000 25,000,000 26,000,000 5,000,000 -49,000,000 30,000,000 -46,000,000 -20,000,000 -36,000,000 68,000,000 -8,000,000 -16,000,000 -4,000,000 -31,000,000 38,000,000 -54,000,000 -15,000,000 2,000,000 -1,000,000 4,000,000 -26,000,000 -20,000,000 -78,000,000 -24,000,000 -17,000,000 -6,000,000 -20,000,000 -24,000,000 20,000,000 -12,000,000 -19,000,000 -25,000,000 -6,000,000 -19,000,000                         
          b-21 charge
                                                                                 
          proceeds from sale of equipment to a customer
                     55,000,000    28,000,000                                                       
          proceeds from sale of minority investment
                                                                                 
          divestiture of it services business
                         3,400,000,000                                                     
          cash and cash equivalents, end of year
                                                                                 
          payments to credit facilities
                             -65,000,000 -6,000,000 -7,000,000                                                
          net repayments of commercial paper
                                                                                 
          retiree benefits
                            -314,000,000 -974,000,000 -231,000,000 -236,000,000 -237,000,000 -281,000,000 -137,000,000 -143,000,000 -142,000,000 -636,000,000 -320,000,000 -71,000,000 -56,000,000 -426,000,000 70,000,000 79,000,000 86,000,000 75,000,000 109,000,000 104,000,000 105,000,000 55,000,000 60,000,000 62,000,000 -440,000,000 -22,000,000 -3,000,000 -6,000,000 14,000,000                         
          acquisition of orbital atk, net of cash acquired
                                                                               
          net (repayments of) borrowings on commercial paper
                                                                                 
          non-cash lease expense
                                 60,000,000 60,000,000 59,000,000 68,000,000                                             
          net payments to credit facilities
                                  -11,000,000 -20,000,000                                             
          decrease in cash, cash equivalents and restricted cash
                                    -731,000,000                                             
          cash, cash equivalents and restricted cash, beginning of year
                                    1,579,000,000                                             
          cash, cash equivalents and restricted cash, end of period
                                    848,000,000                                             
          net (payments to) proceeds from credit facilities
                                        -14,000,000                                         
          excess tax benefits from stock-based compensation
                                                 8,000,000 -5,000,000 -1,000,000 -105,000,000 -6,000,000 -1,000,000 -6,000,000 -68,000,000     -4,000,000 -12,000,000 -2,000,000 -27,000,000 7,000,000 -3,000,000 -12,000,000 -9,000,000 -10,000,000 -2,000,000 -5,000,000 -5,000,000    -1,000,000 -2,000,000 -1,000,000 -44,000,000 
          net proceeds from credit facilities
                                                                                 
          maturities of short-term investments
                                                             250,000,000                 
          decrease in assets:
                                                                                 
          increase in liabilities:
                                                                                 
          accounts payable and accruals
                                                        -755,000,000                         
          sources of cash—continuing operations
                                                                                 
          cash received from customers
                                                                                 
          other cash receipts
                                                         33,000,000 34,000,000 5,000,000 27,000,000 32,000,000 29,000,000 11,000,000 27,000,000 46,000,000 23,000,000 73,000,000 7,000,000 33,000,000 25,000,000 2,000,000 1,000,000 5,000,000 12,000,000 -31,000,000 51,000,000 1,000,000 50,000,000 4,000,000 28,000,000 
          total sources of cash—continuing operations
                                                             6,531,000,000 6,430,000,000 6,533,000,000 5,969,000,000  6,666,000,000               
          uses of cash—continuing operations
                                                                                 
          cash paid to suppliers and employees
                                                         -4,918,000,000 -4,853,000,000 -5,053,000,000 -5,649,000,000 -5,059,000,000 -5,046,000,000 -5,111,000,000 -5,858,000,000 -4,928,000,000 -5,439,000,000 -5,490,000,000 -6,202,000,000 -6,979,000,000 -7,297,000,000 -7,496,000,000 -8,003,000,000 -6,533,000,000 -7,163,000,000 -8,024,000,000 -7,530,000,000 -8,232,000,000 -7,479,000,000   
          pension contributions
                                                         -18,000,000 -18,000,000 -517,000,000 -26,000,000 -18,000,000 -316,000,000 -16,000,000 -17,000,000 -512,000,000 -22,000,000   -456,000,000 -74,000,000   -26,000,000        
          interest paid, net of interest received
                                                         -51,000,000 -72,000,000 -31,000,000 -80,000,000 -23,000,000 -75,000,000 -24,000,000 -78,000,000 -22,000,000 -86,000,000 -23,000,000 -96,000,000 -26,000,000 -110,000,000 -18,000,000 -126,000,000 -29,000,000 -99,000,000 -43,000,000 -98,000,000 -36,000,000 -98,000,000   
          income taxes paid, net of refunds received
                                                         -301,000,000 -167,000,000 -386,000,000 -26,000,000 -359,000,000 -176,000,000 -492,000,000 -92,000,000 -19,000,000 -178,000,000 -567,000,000 -46,000,000 -138,000,000 -301,000,000 -521,000,000 -111,000,000 -99,000,000 -208,000,000 -394,000,000 -73,000,000 -150,000,000 -87,000,000   
          other cash payments
                                                         -20,000,000 -14,000,000 -7,000,000 -40,000,000 -11,000,000 7,000,000 -12,000,000 -2,000,000   -6,000,000 -4,000,000 -11,000,000 -21,000,000 -9,000,000 -5,000,000 -1,000,000 29,000,000 -36,000,000 -22,000,000 -4,000,000 -1,000,000 -4,000,000 -3,000,000 
          total uses of cash—continuing operations
                                                             -5,474,000,000 -5,618,000,000 -5,657,000,000 -6,074,000,000  -5,718,000,000               
          cash from continuing operations
                                                             1,057,000,000 812,000,000 876,000,000 -105,000,000 1,321,000,000 948,000,000 -34,000,000 112,000,000 1,387,000,000 978,000,000 619,000,000 -531,000,000 829,000,000 544,000,000 830,000,000 -172,000,000 1,037,000,000 1,374,000,000 600,000,000 197,000,000 
          cash from discontinued operations
                                                                 -232,000,000         -1,000,000 7,000,000 -3,000,000 
          continuing operations
                                                                                 
          contribution received from the spin-off of shipbuilding business
                                                                 1,429,000,000             
          purchases of short-term investments
                                                                                 
          cash from investing activities from continuing operations
                                                             -145,000,000 -101,000,000 -7,000,000 169,000,000                 
          cash from investing activities from discontinued operations
                                                                                 
          proceeds from exercises of stock options
                                                         26,000,000 48,000,000 93,000,000 17,000,000 35,000,000 86,000,000 27,000,000 40,000,000                 
          sources of cash
                                                                                 
          collections on billings
                                                          4,313,000,000 4,976,000,000 4,582,000,000 5,260,000,000 5,721,000,000 4,990,000,000 4,921,000,000 5,101,000,000 5,499,000,000 5,601,000,000 5,427,000,000 6,934,000,000 7,143,000,000 8,663,000,000 5,339,000,000 4,906,000,000 6,895,000,000 6,972,000,000 6,326,000,000 7,110,000,000 6,845,000,000 7,033,000,000 5,950,000,000 
          progress payments
                                                          1,727,000,000 1,341,000,000 1,213,000,000 1,239,000,000 680,000,000 1,532,000,000 1,021,000,000 1,684,000,000 1,144,000,000 940,000,000 1,035,000,000 2,040,000,000 1,615,000,000 367,000,000 2,379,000,000 3,089,000,000 1,912,000,000 2,386,000,000 1,174,000,000 2,353,000,000 2,146,000,000 1,711,000,000 1,608,000,000 
          total sources of cash
                                                          6,074,000,000 6,322,000,000 5,822,000,000                     
          uses of cash
                                                                                 
          total uses of cash
                                                          -5,124,000,000 -5,994,000,000 -5,821,000,000                     
          proceeds from issuance of long-term debt
                                                                         -7,000,000        
          cash from financing activities from continuing operations
                                                                                 
          cash from financing activities from discontinued operations
                                                                                 
          proceeds from sale of business, net of cash divested
                                                                                
          sources of cash — continuing operations
                                                                                 
          total sources of cash — continuing operations
                                                                    6,469,000,000             
          uses of cash — continuing operations
                                                                                 
          income taxes paid on sale of business
                                                                                 
          total uses of cash — continuing operations
                                                                    -6,357,000,000             
          additions to property, plant, and equipment
                                                                 -164,000,000 -108,000,000 -94,000,000 -122,000,000 -372,000,000 -160,000,000 -103,000,000 -135,000,000 -218,000,000 -139,000,000 -135,000,000 -162,000,000 -237,000,000 -167,000,000 -134,000,000 -143,000,000 
          purchases of short term investments
                                                                                 
          maturities of short term investments
                                                                                 
          cash from investing activities by continuing operations
                                                                 -409,000,000 -101,000,000 -91,000,000 1,344,000,000             
          cash from investing activities by discontinued operations
                                                                 -63,000,000             
          proceeds from exercises of stock options and common stock issuances
                                                                                 
          cash from financing activities by continuing operations
                                                                                 
          cash from financing activities by discontinued operations
                                                                                 
          decrease in restricted cash
                                                                  3,000,000 31,000,000     -31,000,000 3,000,000 2,000,000 22,000,000 11,000,000 26,000,000 
          dividends paid
                                                                  -137,000,000 -140,000,000 -137,000,000 -137,000,000 -138,000,000 -141,000,000 -129,000,000 -134,000,000 -136,000,000 -138,000,000 -131,000,000 -130,000,000 -134,000,000 -135,000,000 -126,000,000 
          proceeds from exercises of stock options and issuances of common stock
                                                                  11,000,000 43,000,000 43,000,000 30,000,000 9,000,000 33,000,000 70,000,000 22,000,000 12,000,000 9,000,000 8,000,000     
          cash and cash equivalents, beginning of period
                                                                  3,701,000,000  3,275,000,000  1,504,000,000  963,000,000 
          payments for outsourcing contract costs and related software costs
                                                                    -1,000,000 -1,000,000 -1,000,000 -1,000,000 -3,000,000 -10,000,000 -21,000,000 -19,000,000 -18,000,000     
          net borrowings under lines of credit
                                                                    5,000,000 -5,000,000 2,000,000   -16,000,000       33,000,000 
          income taxes paid on sale of businesses
                                                                                 
          proceeds from sale of businesses, net of cash divested
                                                                                 
          payments for businesses purchased
                                                                               
          sources of cash – continuing operations
                                                                                 
          total sources of cash – continuing operations
                                                                      8,783,000,000 9,032,000,000 7,719,000,000  8,819,000,000 9,327,000,000 7,551,000,000     
          uses of cash – continuing operations
                                                                                 
          total uses of cash – continuing operations
                                                                      -7,805,000,000 -8,413,000,000 -8,250,000,000  -8,275,000,000 -8,497,000,000 -7,723,000,000     
          principal payments of long-term debt
                                                                      -1,000,000 -1,000,000 -89,000,000 -401,000,000 -1,000,000   -3,000,000 -1,000,000   
          net borrowings (payments) under lines of credit
                                                                        2,000,000         
          insurance proceeds received
                                                                                 
          net (payments) borrowings under lines of credit
                                                                            -1,000,000     
          payments for litigation settlements
                                                                                 
          payments for businesses purchased, net of cash acquired
                                                                                 
          proceeds from sale of property, plant, and equipment
                                                                             9,000,000 1,000,000   
          proceeds from insurance carriers related to capital expenditures
                                                                                 
          proceeds from sale of investments
                                                                                 
          payment for purchase of investment
                                                                                 
          proceeds from insurance carriers related to operations
                                                                              5,000,000 
          total sources of cash-continuing operations
                                                                              9,041,000,000 8,739,000,000 7,600,000,000 
          total uses of cash-continuing operations
                                                                              -7,667,000,000 -8,139,000,000 -7,403,000,000 
          payment for businesses purchased, net of cash acquired
                                                                                 
          payments for outsourcing contract and related software costs
                                                                              -23,000,000 -42,000,000 -35,000,000 
          proceeds from exercises of stock options and issuance of common stock
                                                                              13,000,000 13,000,000 69,000,000 
          payment for business purchased, net of cash acquired
                                                                                 
          net payments under lines of credit
                                                                                 
          income tax refunds received
                                                                                2,000,000 
          interest received
                                                                                7,000,000 
          uses of cash—continuing operations cash paid to suppliers and employees
                                                                                -7,189,000,000 
          interest paid
                                                                                -113,000,000 
          income taxes paid
                                                                                -54,000,000 
          proceeds from disposals of property, plant and equipment
                                                                                3,000,000 
          other collections
                                                                                 
          proceeds from insurance carrier
                                                                                 
          restriction of cash, net of restrictions released
                                                                                 
          payments for outsourcing contract costs
                                                                                 
          borrowings under lines of credit
                                                                                 
          repayment of borrowings under lines of credit