7Baggers

Cognizant Technology Solutions Corporation
(NASDAQ:CTSH) 

CTSH stock logo

Cognizant Technology Solutions Corporation, a professional services company, provides consulting and technology, and outsourcing services in North America, Europe, and internationally. The company operates through four segments: Financial Services; Healthcare; Products and Resources; and Communicati...

Founded: 1994
Full Time Employees: 283,100
Sector: Technology
Industry: Information Technology Services

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Quarterly
Annual
    Unit: USD2025-09-30 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 
                                                
      revenues
    5,415,000,000 5,245,000,000 5,115,000,000 5,082,000,000 5,044,000,000 4,850,000,000 4,760,000,000 4,758,000,000 4,897,000,000 4,886,000,000 4,812,000,000 4,839,000,000 4,857,000,000 4,906,000,000 4,826,000,000 4,777,000,000 4,744,000,000 4,585,000,000 4,401,000,000 4,184,000,000 4,243,000,000 4,000,000,000 4,225,000,000 4,284,000,000 4,248,000,000 4,141,000,000 4,110,000,000 4,129,000,000 4,078,000,000 4,006,000,000 3,912,000,000 3,828,000,000 3,766,000,000 3,670,000,000 3,546,000,000 3,461,900,000 3,453,200,000 3,369,900,000 3,202,000,000 3,232,500,000 3,187,000,000 3,085,100,000 2,911,400,000  
      yoy
    7.36% 8.14% 7.46% 6.81% 3.00% -0.74% -1.08% -1.67% 0.82% -0.41% -0.29% 1.30% 2.38% 7.00% 9.66% 14.17% 11.81% 14.63% 4.17% -2.33% -0.12% -3.40% 2.80% 3.75% 4.17% 3.37% 5.06% 7.86% 8.28% 9.16% 10.32% 10.58% 9.06% 8.91% 10.74% 7.10% 8.35% 9.23% 9.98%      
      qoq
    3.24% 2.54% 0.65% 0.75% 4.00% 1.89% 0.04% -2.84% 0.23% 1.54% -0.56% -0.37% -1.00% 1.66% 1.03% 0.70% 3.47% 4.18% 5.19% -1.39% 6.08% -5.33% -1.38% 0.85% 2.58% 0.75% -0.46% 1.25% 1.80% 2.40% 2.19% 1.65% 2.62% 3.50% 2.43% 0.25% 2.47% 5.24% -0.94% 1.43% 3.30% 5.97%   
      operating expenses:
                                                
      cost of revenues
    3,581,000,000 3,479,000,000 3,397,000,000 3,297,000,000 3,311,000,000 3,204,000,000 3,146,000,000 3,081,000,000 3,209,000,000 3,231,000,000 3,143,000,000 3,152,000,000 3,080,000,000 3,119,000,000 3,097,000,000 3,030,000,000 2,947,000,000 2,863,000,000 2,764,000,000 2,662,000,000 2,647,000,000 2,615,000,000 2,747,000,000 2,749,000,000 2,681,000,000 2,629,000,000 2,575,000,000 2,540,000,000 2,480,000,000 2,417,000,000 2,401,000,000 2,360,000,000 2,337,000,000 2,261,000,000 2,194,000,000 2,077,500,000 2,077,400,000 2,037,700,000 1,915,400,000 1,933,600,000 1,934,600,000 1,844,800,000 1,727,200,000  
      gross profit
    1,834,000,000 1,766,000,000 1,718,000,000 1,785,000,000 1,733,000,000 1,646,000,000 1,614,000,000 1,677,000,000 1,688,000,000 1,655,000,000 1,669,000,000 1,687,000,000 1,777,000,000 1,787,000,000 1,729,000,000 1,747,000,000 1,797,000,000 1,722,000,000 1,637,000,000 1,522,000,000 1,596,000,000 1,385,000,000 1,478,000,000 1,535,000,000 1,567,000,000 1,512,000,000 1,535,000,000 1,589,000,000 1,598,000,000 1,589,000,000 1,511,000,000 1,468,000,000 1,429,000,000 1,409,000,000 1,352,000,000 1,384,400,000 1,375,800,000 1,332,200,000 1,286,600,000 1,298,900,000 1,252,400,000 1,240,300,000 1,184,200,000  
      yoy
    5.83% 7.29% 6.44% 6.44% 2.67% -0.54% -3.30% -0.59% -5.01% -7.39% -3.47% -3.43% -1.11% 3.77% 5.62% 14.78% 12.59% 24.33% 10.76% -0.85% 1.85% -8.40% -3.71% -3.40% -1.94% -4.85% 1.59% 8.24% 11.83% 12.78% 11.76% 6.04% 3.87% 5.76% 5.08% 6.58% 9.85% 7.41% 8.65%      
      qoq
    3.85% 2.79% -3.75% 3.00% 5.29% 1.98% -3.76% -0.65% 1.99% -0.84% -1.07% -5.06% -0.56% 3.35% -1.03% -2.78% 4.36% 5.19% 7.56% -4.64% 15.23% -6.29% -3.71% -2.04% 3.64% -1.50% -3.40% -0.56% 0.57% 5.16% 2.93% 2.73% 1.42% 4.22% -2.34% 0.63% 3.27% 3.54% -0.95% 3.71% 0.98% 4.74%   
      gross margin %
    33.87% 33.67% 33.59% 35.12% 34.36% 33.94% 33.91% 35.25% 34.47% 33.87% 34.68% 34.86% 36.59% 36.42% 35.83% 36.57% 37.88% 37.56% 37.20% 36.38% 37.61% 34.63% 34.98% 35.83% 36.89% 36.51% 37.35% 38.48% 39.19% 39.67% 38.62% 38.35% 37.94% 38.39% 38.13% 39.99% 39.84% 39.53% 40.18% 40.18% 39.30% 40.20% 40.67%  
      selling, general and administrative expenses
    833,000,000 810,000,000 791,000,000 844,000,000 833,000,000 781,000,000 765,000,000 786,000,000 801,000,000 830,000,000 835,000,000 860,000,000 838,000,000 883,000,000 862,000,000 871,000,000 924,000,000 881,000,000 827,000,000 874,000,000 804,000,000 711,000,000 711,000,000 560,000,000 771,000,000 768,000,000 873,000,000 776,000,000 734,000,000 805,000,000 711,000,000 700,000,000 674,000,000 709,000,000 686,000,000 730,400,000 700,500,000 653,900,000 646,200,000 658,700,000 627,100,000 612,000,000 610,800,000  
      restructuring charges
       49,000,000 33,000,000 29,000,000 23,000,000 40,000,000 72,000,000 117,000,000          38,000,000 51,000,000 71,000,000 55,000,000                      
      depreciation and amortization expense
    135,000,000 139,000,000 136,000,000 141,000,000 129,000,000 128,000,000 131,000,000 127,000,000 129,000,000 131,000,000 132,000,000 141,000,000 141,000,000 144,000,000 143,000,000 144,000,000 144,000,000 145,000,000 141,000,000 145,000,000 138,000,000 136,000,000 133,000,000 132,000,000 127,000,000 125,000,000 123,000,000 120,000,000 119,000,000 114,000,000 107,000,000 111,000,000 107,000,000 94,000,000 96,000,000 93,300,000 91,900,000 87,400,000 86,400,000 86,800,000 82,500,000 82,800,000 73,100,000  
      (gain) on sale of property and equipment
      -62,000,000                                          
      income from operations
    866,000,000 817,000,000 853,000,000 751,000,000 738,000,000 708,000,000 695,000,000 724,000,000 686,000,000 577,000,000 702,000,000 686,000,000 798,000,000 760,000,000 724,000,000 732,000,000 729,000,000 696,000,000 669,000,000 465,000,000 603,000,000 467,000,000 579,000,000 626,000,000 669,000,000 619,000,000 539,000,000 693,000,000 745,000,000 670,000,000 693,000,000 657,000,000 648,000,000 606,000,000 570,000,000 560,700,000 583,400,000 590,900,000 554,000,000 553,400,000 542,800,000 545,500,000 500,300,000  
      yoy
    17.34% 15.40% 22.73% 3.73% 7.58% 22.70% -1.00% 5.54% -14.04% -24.08% -3.04% -6.28% 9.47% 9.20% 8.22% 57.42% 20.90% 49.04% 15.54% -25.72% -9.87% -24.56% 7.42% -9.67% -10.20% -7.61% -22.22% 5.48% 14.97% 10.56% 21.58% 17.17% 11.07% 2.56% 2.89% 1.32% 7.48% 8.32% 10.73%      
      qoq
    6.00% -4.22% 13.58% 1.76% 4.24% 1.87% -4.01% 5.54% 18.89% -17.81% 2.33% -14.04% 5.00% 4.97% -1.09% 0.41% 4.74% 4.04% 43.87% -22.89% 29.12% -19.34% -7.51% -6.43% 8.08% 14.84% -22.22% -6.98% 11.19% -3.32% 5.48% 1.39% 6.93% 6.32% 1.66% -3.89% -1.27% 6.66% 0.11% 1.95% -0.49% 9.03%   
      operating margin %
    15.99% 15.58% 16.68% 14.78% 14.63% 14.60% 14.60% 15.22% 14.01% 11.81% 14.59% 14.18% 16.43% 15.49% 15.00% 15.32% 15.37% 15.18% 15.20% 11.11% 14.21% 11.68% 13.70% 14.61% 15.75% 14.95% 13.11% 16.78% 18.27% 16.72% 17.71% 17.16% 17.21% 16.51% 16.07% 16.20% 16.89% 17.53% 17.30% 17.12% 17.03% 17.68% 17.18%  
      other income, net:
                                                
      interest income
    25,000,000 23,000,000 30,000,000 28,000,000 31,000,000 30,000,000 30,000,000 34,000,000 32,000,000 30,000,000 30,000,000 27,000,000 17,000,000 9,000,000 6,000,000 7,000,000 7,000,000 7,000,000 9,000,000 14,000,000 27,000,000 37,000,000 41,000,000 40,000,000 43,000,000 45,000,000 48,000,000 49,000,000 47,000,000 40,000,000 41,000,000 36,000,000 34,000,000 31,000,000 32,000,000 29,600,000 27,200,000 27,600,000 30,600,000 27,400,000 20,700,000 17,600,000 18,000,000  
      interest expense
    -8,000,000 -9,000,000 -12,000,000 -19,000,000 -14,000,000 -10,000,000 -11,000,000 -11,000,000 -11,000,000 -10,000,000 -9,000,000 -8,000,000 -6,000,000 -3,000,000 -2,000,000 -2,000,000 -3,000,000 -2,000,000 -2,000,000 -3,000,000 -6,000,000 -9,000,000 -6,000,000 -6,000,000 -7,000,000 -6,000,000 -7,000,000 -8,000,000 -6,000,000 -7,000,000 -6,000,000 -5,000,000 -6,000,000 -6,000,000 -6,000,000 -4,400,000 -4,900,000 -4,600,000 -5,100,000 -4,300,000 -4,300,000 -4,100,000 -5,000,000  
      foreign currency exchange gains
    4,000,000 7,000,000 2,000,000 -18,000,000 -8,000,000 1,000,000 6,000,000 -1,000,000  -9,000,000 12,000,000 8,000,000 3,000,000 -4,000,000  -1,000,000 -3,000,000 -7,000,000 -9,000,000 -11,000,000 -1,000,000 -2,000,000 -102,000,000 -36,000,000 -47,000,000 16,000,000 2,000,000 81,000,000 -122,000,000 -80,000,000 -31,000,000 26,000,000 -16,000,000 5,000,000 52,000,000 -25,800,000 6,900,000 -20,200,000 9,100,000 -14,200,000 -15,800,000 -10,400,000 -2,200,000  
      other
     4,000,000 -1,000,000 500,000 1,000,000 -1,000,000 2,000,000 3,000,000 6,000,000 -1,000,000 3,000,000   -1,000,000 1,000,000 -250,000 1,000,000  -2,000,000 2,000,000 1,000,000 2,000,000 -2,000,000 2,000,000  2,000,000 1,000,000  -2,000,000   -1,000,000 -2,000,000 -1,000,000 1,000,000 300,000 300,000 900,000 500,000 -1,100,000 -400,000 200,000 -500,000  
      total other income
    21,000,000 25,000,000 19,000,000 -11,000,000 10,000,000 20,000,000 27,000,000 25,000,000 27,000,000 10,000,000 36,000,000 28,000,000 14,000,000 1,000,000 5,000,000 5,000,000 2,000,000 -2,000,000 -4,000,000 2,000,000 21,000,000 28,000,000 -69,000,000  -11,000,000 57,000,000 44,000,000 122,000,000 -83,000,000 -47,000,000 4,000,000 56,000,000 10,000,000 29,000,000 79,000,000 -300,000 29,500,000 3,700,000 35,100,000 7,800,000 200,000 3,300,000 10,300,000  
      income before provision for income taxes
    887,000,000 842,000,000 872,000,000 740,000,000 748,000,000  722,000,000     714,000,000 812,000,000 761,000,000 729,000,000 737,000,000 731,000,000 694,000,000 665,000,000 467,000,000 624,000,000 495,000,000 510,000,000 626,000,000 658,000,000 676,000,000 583,000,000 815,000,000 662,000,000 623,000,000 697,000,000 713,000,000 658,000,000 635,000,000 649,000,000 560,400,000 612,900,000 594,600,000 589,100,000      
      provision for income taxes
    -613,000,000 -197,000,000 -213,000,000 -199,000,000 -170,000,000  -179,000,000     -193,000,000 -183,000,000 -184,000,000 -170,000,000 -162,000,000 -187,000,000 -184,000,000 -160,000,000 -152,000,000 -276,000,000 -134,000,000 -142,000,000 -174,000,000 -160,000,000 -167,000,000 -142,000,000 -168,000,000 -185,000,000 -168,000,000 -177,000,000 -732,000,000 -164,000,000 -165,000,000 -92,000,000 -145,800,000 -168,900,000 -342,400,000 147,900,000      
      income from equity method investments
      4,000,000 5,000,000 4,000,000 3,000,000 3,000,000 4,000,000 3,000,000      4,000,000 1,000,000  2,000,000  -250,000   -1,000,000 -57,000,000 -1,000,000   1,000,000  1,000,000               
      net income
    274,000,000 645,000,000 663,000,000 546,000,000 582,000,000 566,000,000 546,000,000 558,000,000 525,000,000 463,000,000 580,000,000 521,000,000 629,000,000 577,000,000 563,000,000 576,000,000 544,000,000 512,000,000 505,000,000 316,000,000 348,000,000 361,000,000 367,000,000 395,000,000 497,000,000 509,000,000 441,000,000 648,000,000 477,000,000 456,000,000 520,000,000 -18,000,000 495,000,000 470,000,000 557,000,000 415,000,000 444,400,000 252,400,000 441,200,000 423,400,000 397,200,000 420,100,000 382,900,000  
      yoy
    -52.92% 13.96% 21.43% -2.15% 10.86% 22.25% -5.86% 7.10% -16.53% -19.76% 3.02% -9.55% 15.63% 12.70% 11.49% 82.28% 56.32% 41.83% 37.60% -20.00% -29.98% -29.08% -16.78% -39.04% 4.19% 11.62% -15.19% -3700.00% -3.64% -2.98% -6.64% -104.34% 11.39% 86.21% 26.25% -1.98% 11.88% -39.92% 15.23%      
      qoq
    -57.52% -2.71% 21.43% -6.19% 2.83% 3.66% -2.15% 6.29% 13.39% -20.17% 11.32% -17.17% 9.01% 2.49% -2.26% 5.88% 6.25% 1.39% 59.81% -9.20% -3.60% -1.63% -7.09% -20.52% -2.36% 15.42% -31.94% 35.85% 4.61% -12.31% -2988.89% -103.64% 5.32% -15.62% 34.22% -6.62% 76.07% -42.79% 4.20% 6.60% -5.45% 9.72%   
      net income margin %
    5.06% 12.30% 12.96% 10.74% 11.54% 11.67% 11.47% 11.73% 10.72% 9.48% 12.05% 10.77% 12.95% 11.76% 11.67% 12.06% 11.47% 11.17% 11.47% 7.55% 8.20% 9.03% 8.69% 9.22% 11.70% 12.29% 10.73% 15.69% 11.70% 11.38% 13.29% -0.47% 13.14% 12.81% 15.71% 11.99% 12.87% 7.49% 13.78% 13.10% 12.46% 13.62% 13.15%  
      basic earnings per share
    0.56 1.31 1.34 1.11 1.17 1.14 1.1 1.11 1.04 0.92 1.14 1.02 1.22 1.11 1.07 1.1 1.04 0.97 0.95 0.6 0.64 0.67 0.67 0.73 0.9 0.9 0.77 1.12 0.82 0.78 0.89 -0.02 0.84 0.8 0.92 0.68 0.73 0.42 0.73 0.7 0.65 0.69 0.63  
      diluted earnings per share
    0.56 1.31 1.34 1.1 1.17 1.14 1.1 1.12 1.04 0.91 1.14 1.01 1.22 1.11 1.07 1.09 1.03 0.97 0.95 0.59 0.64 0.67 0.67 0.72 0.9 0.9 0.77 1.12 0.82 0.78 0.88 -0.02 0.84 0.8 0.92 0.68 0.73 0.41 0.72 0.69 0.65 0.68 0.62  
      weighted-average number of common shares outstanding - basic
    486 492 494  496 497 497  504 506 509  516 520 524  525 527 530  542 541 546  551 564 573  579 585 587  590 589 605  606.2 606.1 608  608.8 609.9 609.6  
      dilutive effect of shares issuable under stock-based compensation plans
       0.25           0.1 2.3 2.7 3.8 0.1 3.9 4.3  
      weighted-average number of common shares outstanding - diluted
    487 492 495  496 498 498  505 507 509  517 521 525  526 528 531  543 541 546  551 564 575  580 586 589  592 591 607  608.5 608.8 611.8  612.7 613.9 613.9  
      income before benefit from income taxes
         728,000,000  749,000,000 713,000,000 587,000,000 738,000,000                             400,600,000 543,000,000 548,800,000 510,600,000  
      benefit from income taxes
         -165,000,000  -195,000,000 -191,000,000 -124,000,000 -158,000,000                             100,550,000 145,800,000 128,700,000 127,700,000  
      dividends declared per common share
                               0.15 0.2 0.2 0.2 0.15 0.15 0.15           
      income from equity method investment
                                   250,000 1,000,000   400,000 400,000 200,000       
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2025-09-30 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 
                                                  
        assets
                                                  
        current assets:
                                                  
        cash and cash equivalents
      2,341,000,000 1,796,000,000 1,980,000,000 2,231,000,000 2,013,000,000 2,193,000,000 2,231,000,000 2,621,000,000 2,204,000,000 2,055,000,000 2,458,000,000 2,191,000,000 2,042,000,000 1,768,000,000 2,192,000,000 1,792,000,000 1,664,000,000 1,368,000,000 1,973,000,000 2,680,000,000 4,436,000,000 4,422,000,000 3,886,000,000 2,645,000,000 2,343,000,000 1,660,000,000 950,000,000 1,161,000,000 1,339,000,000 901,000,000 1,440,000,000 1,925,000,000 1,577,000,000 1,157,000,000 1,308,000,000 2,034,000,000 1,550,300,000 1,684,500,000 1,523,800,000 2,125,200,000 1,476,700,000 1,089,300,000 1,271,400,000 2,010,149,000 
        short-term investments
      13,000,000 12,000,000 12,000,000 12,000,000 12,000,000 12,000,000 12,000,000 14,000,000 164,000,000 40,000,000 23,000,000 310,000,000 689,000,000 552,000,000 127,000,000 927,000,000 749,000,000 482,000,000 185,000,000 44,000,000 139,000,000 160,000,000 396,000,000 779,000,000 734,000,000 1,343,000,000 2,718,000,000 3,350,000,000 3,424,000,000 3,346,000,000 3,390,000,000 3,131,000,000 3,136,000,000 3,221,000,000 2,966,000,000 3,135,000,000 3,308,300,000 2,796,700,000 2,927,900,000 2,824,300,000 2,574,000,000 2,477,200,000 2,078,400,000 1,764,577,000 
        trade accounts receivable
      4,391,000,000 4,402,000,000 4,239,000,000 4,059,000,000 4,206,000,000 3,973,000,000 3,822,000,000 3,849,000,000 3,807,000,000 3,755,000,000 3,718,000,000 3,796,000,000 3,686,000,000 3,785,000,000 3,663,000,000 3,557,000,000 3,510,000,000 3,419,000,000 3,232,000,000 3,087,000,000 3,118,000,000 3,208,000,000                       
        other current assets
      1,349,000,000 1,396,000,000 1,314,000,000 1,202,000,000 1,317,000,000 1,067,000,000 1,021,000,000 1,022,000,000 952,000,000 1,101,000,000 1,029,000,000 969,000,000 900,000,000 918,000,000 1,095,000,000 1,066,000,000 1,072,000,000 1,182,000,000 1,205,000,000 1,040,000,000 926,000,000 741,000,000 823,000,000 931,000,000 876,000,000 817,000,000 838,000,000 909,000,000 777,000,000 852,000,000 856,000,000 833,000,000 552,000,000 632,000,000 529,000,000 526,000,000 425,500,000 399,200,000 367,900,000 337,500,000 264,700,000 322,700,000 336,900,000 352,613,000 
        total current assets
      8,094,000,000 7,606,000,000 7,545,000,000 7,504,000,000 7,548,000,000 7,245,000,000 7,086,000,000 7,506,000,000 7,127,000,000 6,951,000,000 7,228,000,000 7,266,000,000 7,317,000,000 7,023,000,000 7,077,000,000 7,342,000,000 6,995,000,000 6,451,000,000 6,595,000,000 6,851,000,000 8,619,000,000 8,531,000,000 8,325,000,000 7,611,000,000 7,391,000,000 7,206,000,000 7,883,000,000 8,677,000,000 8,727,000,000 8,303,000,000 8,990,000,000 9,111,000,000 8,557,000,000 8,099,000,000 7,842,000,000 8,600,000,000 8,199,800,000 7,758,900,000 7,570,900,000 7,908,600,000 7,237,900,000 6,771,400,000 6,406,500,000 6,750,297,000 
        property and equipment
      949,000,000 976,000,000 988,000,000 994,000,000 1,001,000,000 1,009,000,000 1,036,000,000 1,048,000,000 1,048,000,000 1,087,000,000 1,102,000,000 1,101,000,000 1,105,000,000 1,121,000,000 1,171,000,000 1,171,000,000 1,179,000,000 1,225,000,000 1,250,000,000 1,251,000,000 1,313,000,000 1,345,000,000 1,322,000,000 1,309,000,000 1,318,000,000 1,337,000,000 1,314,000,000 1,394,000,000 1,362,000,000 1,345,000,000 1,333,000,000 1,324,000,000 1,304,000,000 1,284,000,000 1,306,000,000 1,311,000,000 1,323,300,000 1,287,400,000 1,270,000,000 1,271,400,000 1,278,900,000 1,277,300,000 1,268,000,000 1,247,205,000 
        operating lease assets
      578,000,000 565,000,000 555,000,000 552,000,000 587,000,000 553,000,000 589,000,000 611,000,000 718,000,000 788,000,000 842,000,000 876,000,000 873,000,000 907,000,000 915,000,000 933,000,000 956,000,000 1,004,000,000 980,000,000 1,013,000,000 1,004,000,000 1,002,000,000 927,000,000 926,000,000 905,000,000 847,000,000 809,000,000                  
        goodwill
      7,100,000,000 7,120,000,000 7,006,000,000 6,953,000,000 7,132,000,000 6,395,000,000 6,393,000,000 6,085,000,000 6,013,000,000 6,065,000,000 6,040,000,000 5,710,000,000 5,425,000,000 5,517,000,000 5,605,000,000 5,620,000,000 5,451,000,000 5,457,000,000 5,219,000,000 5,031,000,000 4,931,000,000 4,391,000,000 4,014,000,000 3,979,000,000 3,694,000,000 3,651,000,000 3,638,000,000 3,481,000,000 3,037,000,000 3,036,000,000 2,713,000,000 2,704,000,000 2,608,000,000 2,576,000,000 2,563,000,000 2,554,000,000 2,482,000,000 2,457,900,000 2,461,800,000 2,404,700,000 2,403,600,000 2,405,300,000 2,403,600,000 2,413,564,000 
        intangible assets
      1,472,000,000 1,523,000,000 1,555,000,000 1,599,000,000 1,681,000,000 1,129,000,000 1,171,000,000 1,149,000,000 1,174,000,000 1,228,000,000 1,262,000,000 1,168,000,000 1,038,000,000 1,101,000,000 1,167,000,000 1,218,000,000 1,198,000,000 1,219,000,000 1,110,000,000 1,046,000,000 1,087,000,000 1,026,000,000 1,005,000,000 1,041,000,000 1,192,000,000 1,161,000,000 1,185,000,000 1,150,000,000 1,021,000,000 1,060,000,000 955,000,000 981,000,000 957,000,000 894,000,000 923,000,000 951,000,000 936,900,000 961,400,000 862,300,000 864,300,000 881,400,000 906,100,000 928,400,000 953,749,000 
        deferred income tax assets
      844,000,000 1,256,000,000 1,216,000,000 1,248,000,000 1,091,000,000 1,095,000,000 993,000,000 993,000,000 935,000,000 762,000,000 666,000,000 642,000,000 520,000,000 473,000,000 333,000,000 404,000,000 282,000,000 308,000,000 307,000,000 445,000,000 563,000,000 669,000,000 594,000,000 585,000,000 492,000,000 468,000,000 464,000,000 442,000,000 391,000,000 367,000,000 394,000,000 418,000,000 464,000,000 457,000,000 458,000,000 425,000,000 385,300,000 328,700,000 295,000,000 347,800,000 365,900,000 333,500,000 271,700,000 329,694,000 
        long-term investments
      107,000,000 110,000,000 94,000,000 90,000,000 90,000,000 86,000,000 83,000,000 435,000,000 432,000,000 425,000,000 424,000,000 427,000,000 431,000,000 443,000,000 458,000,000 463,000,000 466,000,000 433,000,000 439,000,000 440,000,000 441,000,000 429,000,000 433,000,000 17,000,000 79,000,000 80,000,000 79,000,000 80,000,000 93,000,000 80,000,000 83,000,000 235,000,000 262,000,000 198,000,000 110,000,000          
        other noncurrent assets
      990,000,000 1,008,000,000 1,008,000,000 1,026,000,000 1,034,000,000 1,068,000,000 1,057,000,000 656,000,000 632,000,000 661,000,000 583,000,000 662,000,000 638,000,000 673,000,000 708,000,000 701,000,000 705,000,000 732,000,000 760,000,000 846,000,000 829,000,000 823,000,000 809,000,000 736,000,000 773,000,000 767,000,000 724,000,000 689,000,000 643,000,000 615,000,000 577,000,000 448,000,000 428,000,000 430,000,000 427,000,000 359,000,000 328,800,000 286,200,000 275,900,000 268,600,000 262,100,000 277,700,000 223,600,000 209,663,000 
        total assets
      20,134,000,000 20,164,000,000 19,967,000,000 19,966,000,000 20,164,000,000 18,580,000,000 18,408,000,000 18,483,000,000 18,079,000,000 17,967,000,000 18,147,000,000 17,852,000,000 17,347,000,000 17,258,000,000 17,434,000,000 17,852,000,000 17,232,000,000 16,829,000,000 16,660,000,000 16,923,000,000 18,787,000,000 18,216,000,000 17,429,000,000 16,204,000,000 15,844,000,000 15,517,000,000 16,096,000,000 15,913,000,000 15,274,000,000 14,806,000,000 15,045,000,000 15,221,000,000 14,580,000,000 13,938,000,000 13,629,000,000 14,262,000,000 13,716,700,000 13,140,100,000 12,735,900,000 13,065,400,000 12,267,600,000 11,797,600,000 11,383,400,000 11,718,916,000 
        liabilities and stockholders’ equity
                                                  
        current liabilities:
                                                  
        accounts payable
      284,000,000 279,000,000 326,000,000 340,000,000 304,000,000 298,000,000 291,000,000 337,000,000 325,000,000 318,000,000 332,000,000 360,000,000 367,000,000 357,000,000 394,000,000 361,000,000 351,000,000 351,000,000 349,000,000 389,000,000 420,000,000 359,000,000 289,000,000 239,000,000 246,000,000 254,000,000 262,000,000 215,000,000 223,000,000 217,000,000 293,000,000 210,000,000 186,000,000 179,000,000 189,000,000 175,000,000 171,500,000 164,500,000 213,200,000 165,300,000 160,100,000 169,000,000 181,400,000 145,687,000 
        deferred revenue
      384,000,000 440,000,000 519,000,000 450,000,000 355,000,000 391,000,000 449,000,000 385,000,000 302,000,000 380,000,000 469,000,000 398,000,000 345,000,000 408,000,000 455,000,000 403,000,000 312,000,000 356,000,000 403,000,000 383,000,000 285,000,000 319,000,000 354,000,000 313,000,000 265,000,000 285,000,000 340,000,000 286,000,000 244,000,000 308,000,000 360,000,000 383,000,000 333,000,000 337,000,000 397,000,000 306,000,000 281,700,000 321,700,000 349,600,000 323,700,000 262,700,000 288,800,000 330,900,000 224,114,000 
        short-term debt
      33,000,000 33,000,000 33,000,000 33,000,000 33,000,000 33,000,000 33,000,000 33,000,000 33,000,000 24,000,000 16,000,000 8,000,000  38,000,000 38,000,000 38,000,000 38,000,000 38,000,000 38,000,000 38,000,000 38,000,000 38,000,000 38,000,000 38,000,000 38,000,000 28,000,000 19,000,000 9,000,000 100,000,000 100,000,000 100,000,000 175,000,000 100,000,000 244,000,000 437,000,000 81,000,000 75,000,000 68,800,000 162,500,000 406,300,000 50,000,000 150,000,000 150,000,000 700,002,000 
        operating lease liabilities
      154,000,000 155,000,000 155,000,000 152,000,000 192,000,000 148,000,000 143,000,000 153,000,000 164,000,000 171,000,000 173,000,000 174,000,000 173,000,000 178,000,000 194,000,000 195,000,000 200,000,000 204,000,000 202,000,000 211,000,000 213,000,000 206,000,000 197,000,000 202,000,000 195,000,000 201,000,000 184,000,000                  
        accrued expenses and other current liabilities
      2,578,000,000 2,249,000,000 2,373,000,000 2,610,000,000 2,504,000,000 2,076,000,000 2,096,000,000 2,425,000,000 2,367,000,000 2,163,000,000 2,331,000,000 2,407,000,000 2,338,000,000 2,172,000,000 2,105,000,000 2,532,000,000 2,418,000,000 2,234,000,000 2,158,000,000 2,519,000,000 2,340,000,000 2,290,000,000 1,994,000,000 2,191,000,000 2,175,000,000 2,056,000,000 1,915,000,000 2,267,000,000 2,126,000,000 1,912,000,000 1,716,000,000 2,071,000,000 1,981,000,000 1,655,000,000 1,562,000,000 1,856,000,000 1,772,500,000 1,565,000,000 1,325,100,000 1,818,400,000 1,655,600,000 1,348,700,000 1,221,800,000 1,522,291,000 
        total current liabilities
      3,433,000,000 3,156,000,000 3,406,000,000 3,585,000,000 3,388,000,000 2,946,000,000 3,012,000,000 3,333,000,000 3,191,000,000 3,056,000,000 3,321,000,000 3,347,000,000 3,223,000,000 3,153,000,000 3,186,000,000 3,529,000,000 3,319,000,000 3,183,000,000 3,150,000,000 3,540,000,000 3,296,000,000 3,212,000,000 2,872,000,000 2,983,000,000 2,919,000,000 2,824,000,000 2,720,000,000 2,777,000,000 2,693,000,000 2,537,000,000 2,469,000,000 2,839,000,000 2,600,000,000 2,415,000,000 2,585,000,000 2,418,000,000 2,300,700,000 2,120,000,000 2,050,400,000 2,713,700,000 2,128,400,000 1,956,500,000 1,884,100,000 2,592,094,000 
        deferred revenue, noncurrent
      35,000,000 34,000,000 33,000,000 30,000,000 28,000,000 29,000,000 36,000,000 42,000,000 34,000,000 30,000,000 32,000,000 19,000,000 17,000,000 24,000,000 23,000,000 40,000,000 37,000,000 33,000,000 32,000,000 36,000,000 32,000,000 46,000,000 42,000,000 23,000,000 71,000,000 63,000,000 64,000,000 62,000,000 72,000,000 77,000,000 70,000,000 104,000,000 114,000,000 133,000,000 128,000,000 151,000,000 158,300,000 175,600,000 67,600,000 49,300,000 53,000,000 50,300,000 47,300,000 80,956,000 
        operating lease liabilities, noncurrent
      432,000,000 430,000,000 424,000,000 420,000,000 455,000,000 466,000,000 503,000,000 523,000,000 634,000,000 664,000,000 688,000,000 714,000,000 711,000,000 747,000,000 758,000,000 783,000,000 804,000,000 842,000,000 821,000,000 846,000,000 820,000,000 802,000,000 734,000,000 745,000,000 734,000,000 679,000,000 651,000,000                  
        deferred income tax liabilities
      168,000,000 169,000,000 171,000,000 154,000,000 218,000,000 203,000,000 201,000,000 226,000,000 220,000,000 220,000,000 215,000,000 180,000,000 190,000,000 207,000,000 213,000,000 218,000,000 214,000,000 230,000,000 204,000,000 206,000,000 310,000,000 28,000,000 31,000,000 35,000,000 57,000,000 44,000,000 177,000,000 183,000,000 157,000,000 145,000,000 113,000,000 146,000,000 5,000,000 5,000,000 6,000,000 6,000,000 3,700,000 3,000,000 9,100,000 3,300,000 230,000,000 233,600,000 237,300,000 251,724,000 
        long-term debt
      551,000,000 559,000,000 567,000,000 875,000,000 1,183,000,000 590,000,000 598,000,000 606,000,000 614,000,000 622,000,000 630,000,000 638,000,000 636,000,000 608,000,000 617,000,000 626,000,000 636,000,000 645,000,000 654,000,000 663,000,000 2,412,000,000 2,421,000,000 2,430,000,000 700,000,000 709,000,000 718,000,000 727,000,000 736,000,000 624,000,000 649,000,000 673,000,000 698,000,000 723,000,000 747,000,000 772,000,000 797,000,000 821,600,000 840,000,000 858,400,000 881,200,000 900,000,000 912,500,000 925,000,000 937,500,000 
        other noncurrent liabilities
      618,000,000 528,000,000 467,000,000 494,000,000 440,000,000 448,000,000 411,000,000 369,000,000 347,000,000 315,000,000 317,000,000 362,000,000 329,000,000 286,000,000 286,000,000 287,000,000 298,000,000 313,000,000 334,000,000 368,000,000 349,000,000 307,000,000 229,000,000 218,000,000 181,000,000 161,000,000 150,000,000 253,000,000 260,000,000 242,000,000 199,000,000 181,000,000 159,000,000 155,000,000 155,000,000 162,000,000 140,100,000 138,600,000 138,100,000 139,800,000 129,200,000 103,900,000 111,200,000 116,424,000 
        total liabilities
      5,237,000,000 4,876,000,000 5,068,000,000 5,558,000,000 5,712,000,000 4,682,000,000 4,918,000,000 5,256,000,000 5,197,000,000 5,064,000,000 5,486,000,000 5,543,000,000 5,389,000,000 5,308,000,000 5,461,000,000 5,861,000,000 5,686,000,000 5,624,000,000 5,623,000,000 6,087,000,000 7,647,000,000 7,244,000,000 6,816,000,000 5,182,000,000 5,142,000,000 4,960,000,000 4,960,000,000 4,489,000,000 4,296,000,000 4,158,000,000 4,057,000,000 4,552,000,000 3,601,000,000 3,455,000,000 3,646,000,000 3,534,000,000 3,424,400,000 3,277,200,000 3,123,600,000 3,787,300,000 3,440,600,000 3,256,800,000 3,204,900,000 3,978,698,000 
        commitments and contingencies
                                                  
        stockholders’ equity:
                                                  
        preferred stock, 0.10 par value, 15 shares authorized, none issued
                                                  
        class a common stock, 0.01 par value...
      5,000,000 5,000,000 5,000,000 5,000,000 5,000,000 5,000,000 5,000,000 5,000,000 5,000,000 5,000,000 5,000,000 5,000,000 5,000,000 5,000,000 5,000,000 5,000,000 5,000,000 5,000,000 5,000,000 5,000,000 5,000,000 5,000,000 5,000,000 5,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,100,000 6,100,000 6,100,000 6,100,000 6,100,000 6,100,000 6,100,000 6,094,000 
        additional paid-in capital
      14,000,000 14,000,000 19,000,000 13,000,000 58,000,000 15,000,000 20,000,000 15,000,000 16,000,000 17,000,000 22,000,000 15,000,000 17,000,000 21,000,000 31,000,000 27,000,000 29,000,000 32,000,000 44,000,000 32,000,000 33,000,000 83,000,000 41,000,000 33,000,000 35,000,000 38,000,000 64,000,000 47,000,000 119,000,000 55,000,000 63,000,000 49,000,000 208,000,000 128,000,000 59,000,000 358,000,000 279,200,000 333,700,000 301,400,000 453,000,000 432,400,000 520,600,000 607,200,000 555,558,000 
        retained earnings
      14,942,000,000 15,226,000,000 15,040,000,000 14,686,000,000 14,347,000,000 14,028,000,000 13,621,000,000 13,301,000,000 13,146,000,000 13,022,000,000 12,856,000,000 12,588,000,000 12,447,000,000 12,193,000,000 11,956,000,000 11,922,000,000 11,479,000,000 11,086,000,000 10,907,000,000 10,689,000,000 11,142,000,000 11,072,000,000 10,831,000,000 11,022,000,000 10,820,000,000 10,583,000,000 11,140,000,000 11,485,000,000 11,041,000,000 10,681,000,000 10,856,000,000 10,544,000,000 10,721,000,000 10,316,000,000 9,935,000,000 10,478,000,000 10,063,200,000 9,618,800,000 9,366,400,000 8,925,200,000 8,501,800,000 8,104,600,000 7,684,500,000 7,301,634,000 
        accumulated other comprehensive income
      -64,000,000 43,000,000 -165,000,000 -296,000,000 42,000,000 -150,000,000 -156,000,000 -94,000,000 -285,000,000 -141,000,000 -222,000,000 -299,000,000 -511,000,000 -269,000,000 -19,000,000 37,000,000 33,000,000 82,000,000 81,000,000 110,000,000 -40,000,000 -188,000,000 -264,000,000 -38,000,000 -159,000,000 -70,000,000 -74,000,000 -114,000,000 -188,000,000 -94,000,000 63,000,000 70,000,000 44,000,000 33,000,000 -17,000,000 -114,000,000 -56,200,000 -95,700,000 -61,600,000 -106,200,000 -113,300,000 -90,500,000 -119,300,000 -123,068,000 
        total stockholders’ equity
      14,897,000,000 15,288,000,000 14,899,000,000 14,408,000,000 14,452,000,000 13,898,000,000 13,490,000,000 13,227,000,000 12,882,000,000 12,903,000,000 12,661,000,000 12,309,000,000 11,958,000,000 11,950,000,000 11,973,000,000 11,991,000,000 11,546,000,000 11,205,000,000 11,037,000,000 10,836,000,000 11,140,000,000 10,972,000,000 10,613,000,000 11,022,000,000 10,702,000,000 10,557,000,000 11,136,000,000 11,424,000,000 10,978,000,000 10,648,000,000 10,988,000,000 10,669,000,000 10,979,000,000 10,483,000,000 9,983,000,000 10,728,000,000 10,292,300,000 9,862,900,000 9,612,300,000 9,278,100,000 8,827,000,000 8,540,800,000 8,178,500,000 7,740,218,000 
        total liabilities and stockholders’ equity
      20,134,000,000 20,164,000,000 19,967,000,000 19,966,000,000 20,164,000,000 18,580,000,000 18,408,000,000 18,483,000,000 18,079,000,000 17,967,000,000 18,147,000,000 17,852,000,000 17,347,000,000 17,258,000,000 17,434,000,000 17,852,000,000 17,232,000,000 16,829,000,000 16,660,000,000 16,923,000,000 18,787,000,000 18,216,000,000 17,429,000,000 16,204,000,000 15,844,000,000 15,517,000,000 16,096,000,000 15,913,000,000 15,274,000,000 14,806,000,000 15,045,000,000 15,221,000,000 14,580,000,000 13,938,000,000 13,629,000,000 14,262,000,000 13,716,700,000 13,140,100,000 12,735,900,000 13,065,400,000 12,267,600,000 11,797,600,000 11,383,400,000 11,718,916,000 
        long-term income taxes payable
            157,000,000 157,000,000 157,000,000 157,000,000 283,000,000 283,000,000 283,000,000 283,000,000 378,000,000 378,000,000 378,000,000 378,000,000 428,000,000 428,000,000 428,000,000 428,000,000 478,000,000 478,000,000 471,000,000 471,000,000 471,000,000 478,000,000 490,000,000 508,000,000 533,000,000 584,000,000             
        preferred stock, 0.10 par value, 15.0 shares authorized, none issued
                                                  
        trade accounts receivable, net of allowances of 74 and 67, respectively
                            3,220,000,000                      
        trade accounts receivable, net of allowances of 67 and 78, respectively
                             3,256,000,000                     
        trade accounts receivable, net of allowances of 104 and 78, respectively
                              3,438,000,000                    
        trade accounts receivable, net of allowances of 100 and 78, respectively
                               3,386,000,000                   
        trade accounts receivable, net of allowances of 92 and 78, respectively
                                3,377,000,000                  
        trade accounts receivable, net of allowances of 78 and 65, respectively
                                 3,257,000,000                 
        unbilled accounts receivable
                                     357,000,000 403,000,000 409,000,000 395,000,000 349,000,000 423,600,000 451,100,000 432,200,000 369,000,000 420,900,000 386,500,000 388,200,000 324,584,000 
        trade accounts receivable, net of allowances of 68 and 65, respectively
                                  3,187,000,000 3,204,000,000               
        trade accounts receivable, net of allowances of 66 and 65, respectively
                                    3,145,000,000              
        restricted cash
                                    159,000,000              
        trade accounts receivable, net of allowances of 65 and 48, respectively
                                     2,865,000,000             
        trade accounts receivable, net of allowances of 62 and 48, respectively
                                      2,889,000,000            
        trade accounts receivable, net of allowances of 64 and 48, respectively
                                       2,680,000,000           
        trade accounts receivable, net of allowances of 58 and 48, respectively
                                        2,644,000,000          
        trade accounts receivable, net of allowances of 48 and 39, respectively
                                         2,556,000,000         
        equity and cost method investments
                                         62,000,000         
        trade accounts receivable, net of allowances of 45.2 and 39.0, respectively
                                          2,492,100,000        
        equity method investment
                                          60,600,000 59,600,000       
        trade accounts receivable, net of allowances of 48.8 and 39.0, respectively
                                           2,427,400,000       
        trade accounts receivable, net of allowances of 49.1 and 39.0, respectively
                                            2,319,100,000      
        trade accounts receivable, net of allowances of 39.0 and 36.9, respectively
                                             2,252,600,000     
        trade accounts receivable, net of allowances of 39.5 and 36.9, respectively
                                              2,135,700,000    
        trade accounts receivable, net of allowances of 33.3 and 36.9, respectively
                                               2,162,200,000   
        trade accounts receivable, net of allowances of 31.5 and 36.9, respectively
                                                2,059,900,000  
        trade accounts receivable, net of allowances of 36,925 and 26,824, respectively
                                                 1,968,680,000 
        preferred stock, 0.10 par value, 15,000 shares authorized, none issued
                                                  
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2025-09-30 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 
                                                   
          cash flows from operating activities:
                                                   
          net income
        274,000,000 645,000,000 663,000,000 546,000,000 582,000,000 566,000,000 546,000,000 558,000,000 525,000,000 463,000,000 580,000,000 521,000,000 629,000,000 577,000,000 563,000,000 576,000,000 544,000,000 512,000,000 505,000,000 316,000,000 348,000,000 361,000,000 367,000,000 395,000,000 497,000,000 509,000,000 441,000,000 648,000,000 477,000,000 456,000,000 520,000,000 -18,000,000 495,000,000 470,000,000 557,000,000 415,000,000 444,400,000 252,400,000 441,200,000 423,400,000 397,200,000 420,100,000 382,900,000 
          adjustments to reconcile net income to net cash from operating activities:
                                                   
          depreciation and amortization expense
                                                   
          deferred income taxes
        406,000,000 -45,000,000 54,000,000 -153,000,000 -77,000,000 -99,000,000 -26,000,000 -52,000,000 -174,000,000 -97,000,000 -16,000,000 -145,000,000 -54,000,000 -144,000,000 70,000,000 -119,000,000 27,000,000 -3,000,000 122,000,000 -106,000,000 383,000,000 -74,000,000 -19,000,000 -103,000,000 -23,000,000 -138,000,000 -42,000,000 -38,000,000 -5,000,000 49,000,000 2,000,000 170,000,000 -54,000,000 -1,000,000 9,000,000 -46,800,000 -70,300,000 -42,500,000 68,600,000 -18,800,000 -70,400,000 -65,900,000 29,000,000 
          stock-based compensation expense
        47,000,000 48,000,000 42,000,000 41,000,000 44,000,000 48,000,000 42,000,000 43,000,000 47,000,000 42,000,000 44,000,000 58,000,000 58,000,000 89,000,000 56,000,000 52,000,000 65,000,000 67,000,000 62,000,000 54,000,000 58,000,000 65,000,000 55,000,000 45,000,000 52,000,000 54,000,000 66,000,000 68,000,000 69,000,000 71,000,000 59,000,000 60,000,000 52,000,000 55,000,000 54,000,000 51,600,000 49,700,000 62,200,000 53,500,000 50,400,000 46,400,000 49,400,000 45,800,000 
          gain on sale of property and equipment
        -62,000,000                                         
          other
        12,000,000 -9,000,000 -6,000,000 9,000,000 -8,000,000 -1,000,000 32,000,000 -56,000,000 28,000,000 2,000,000 27,000,000 -36,000,000 30,000,000 24,000,000 27,000,000 1,000,000   12,000,000 -80,000,000 43,000,000 144,000,000 106,000,000 61,000,000 -27,000,000 -21,000,000 -84,000,000 96,000,000 77,000,000 23,000,000 -37,000,000 14,000,000 -8,000,000 -55,000,000 36,800,000 -700,000 12,000,000 -2,100,000 20,700,000 19,200,000 13,800,000 -5,100,000 
          changes in assets and liabilities, net of effects of businesses acquired:
                                                   
          trade accounts receivable, current
        -2,000,000 -143,000,000 -177,000,000  -45,000,000 -160,000,000 39,000,000  -64,000,000                                   
          other current and noncurrent assets
        61,000,000 -18,000,000 -42,000,000 126,000,000 -157,000,000 -8,000,000 -347,000,000 -19,000,000 238,000,000 -79,000,000 -17,000,000 82,000,000 130,000,000 204,000,000 -73,000,000 91,000,000 197,000,000 96,000,000 -36,000,000 -23,000,000 -75,000,000 145,000,000 26,000,000 239,000,000 -131,000,000 -39,000,000 90,000,000                 
          accounts payable
        -6,000,000 -38,000,000 9,000,000 6,000,000 5,000,000 13,000,000 -47,000,000 12,000,000 5,000,000 -14,000,000 -26,000,000 6,000,000 -8,000,000 -44,000,000 35,000,000 4,000,000 -56,000,000 -44,000,000 61,000,000 26,000,000 -20,000,000 59,000,000 44,000,000 -13,000,000 19,000,000 -47,000,000 49,000,000 1,000,000 -2,000,000 -89,000,000 86,000,000 21,000,000 -7,000,000 -11,000,000 13,000,000 -5,900,000 6,000,000 -42,200,000 48,100,000 2,600,000 -2,600,000 -8,900,000 28,300,000 
          deferred revenues, current and noncurrent
        -54,000,000 -80,000,000 70,000,000  -42,000,000 -64,000,000 50,000,000  -73,000,000 -91,000,000 71,000,000  -69,000,000 -44,000,000 36,000,000  -41,000,000 -49,000,000 15,000,000  -55,000,000 -40,000,000 59,000,000  -12,000,000 -58,000,000 56,000,000  -69,000,000 -45,000,000 -2,000,000  -31,000,000 -57,000,000 67,000,000  -59,500,000 -38,900,000 41,200,000     
          other current and noncurrent liabilities
        354,000,000 -101,000,000 -287,000,000 -15,000,000 412,000,000 -166,000,000 -327,000,000 55,000,000 150,000,000 -292,000,000 -155,000,000 89,000,000 97,000,000 -144,000,000 -434,000,000 19,000,000 159,000,000 -33,000,000 -558,000,000 318,000,000 94,000,000 218,000,000 -328,000,000 -121,000,000 170,000,000 178,000,000 -386,000,000 142,000,000 144,000,000 163,000,000 -393,000,000 667,000,000 293,000,000 95,000,000 -384,000,000 126,900,000 214,000,000 238,900,000 -525,800,000 242,100,000 321,300,000 71,400,000 -201,700,000 
          net cash from operating activities
        1,227,000,000 398,000,000 400,000,000 920,000,000 847,000,000 262,000,000 95,000,000 737,000,000 828,000,000 36,000,000 729,000,000 702,000,000 1,032,000,000 528,000,000 306,000,000 825,000,000 948,000,000 541,000,000 181,000,000 898,000,000 925,000,000 979,000,000 497,000,000 938,000,000 717,000,000 575,000,000 269,000,000 702,000,000 862,000,000 640,000,000 388,000,000 836,000,000 773,000,000 521,000,000 277,000,000 598,600,000 594,000,000 359,600,000 68,800,000 690,000,000 817,900,000 456,100,000 189,300,000 
          capital expenditures
        -67,000,000 -67,000,000 -77,000,000 -83,000,000 -56,000,000 -79,000,000 -79,000,000 -78,000,000 -73,000,000 -68,000,000 -98,000,000 -90,000,000 -79,000,000 -43,000,000 -120,000,000 -65,000,000 -51,000,000 -75,000,000 -88,000,000 -89,000,000 -104,000,000 -93,000,000 -112,000,000 -93,000,000 -97,000,000 -96,000,000 -106,000,000 -96,000,000 -94,000,000 -91,000,000 -96,000,000 -80,000,000 -78,000,000 -60,000,000 -66,000,000 -87,200,000 -74,200,000 -74,900,000 -63,700,000 -74,100,000 -65,100,000 -75,600,000 -58,000,000 
          free cash flows
        1,160,000,000 331,000,000 323,000,000 837,000,000 791,000,000 183,000,000 16,000,000 659,000,000 755,000,000 -32,000,000 631,000,000 612,000,000 953,000,000 485,000,000 186,000,000 760,000,000 897,000,000 466,000,000 93,000,000 809,000,000 821,000,000 886,000,000 385,000,000 845,000,000 620,000,000 479,000,000 163,000,000 606,000,000 768,000,000 549,000,000 292,000,000 756,000,000 695,000,000 461,000,000 211,000,000 511,400,000 519,800,000 284,700,000 5,100,000 615,900,000 752,800,000 380,500,000 131,300,000 
          cash flows from investing activities:
                                                   
          purchases of property and equipment
        -67,000,000 -67,000,000 -77,000,000 -83,000,000 -56,000,000 -79,000,000 -79,000,000 -78,000,000 -73,000,000 -68,000,000 -98,000,000 -90,000,000 -79,000,000 -43,000,000 -120,000,000 -65,000,000 -51,000,000 -75,000,000 -88,000,000 -89,000,000 -104,000,000 -93,000,000 -112,000,000 -93,000,000 -97,000,000 -96,000,000 -106,000,000 -96,000,000 -94,000,000 -91,000,000 -96,000,000 -80,000,000 -78,000,000 -60,000,000 -66,000,000 -87,200,000 -74,200,000 -74,900,000 -63,700,000 -74,100,000 -65,100,000 -75,600,000 -58,000,000 
          proceeds from sale of property and equipment
        70,000,000                                         
          proceeds from maturity of held-to-maturity investment securities
           3,000,000 6,000,000 3,000,000 15,000,000 6,000,000 18,000,000 10,000,000 20,000,000 30,000,000 74,000,000 14,000,000 62,000,000 94,000,000 27,000,000 192,000,000 154,000,000 217,000,000 590,000,000 343,000,000 348,000,000 414,000,000 364,000,000 215,000,000 171,000,000 196,000,000 158,000,000           
          purchases of other investments
        -1,000,000   -1,000,000   20,000,000 -200,000,000 -173,000,000 -26,000,000 -128,000,000 -162,000,000 -217,000,000 -39,000,000 -468,000,000 -550,000,000 -492,000,000 -150,000,000 -85,000,000 -182,000,000 -210,000,000 -54,000,000 -23,000,000 -150,000,000 -279,000,000 -31,000,000 -34,000,000 -161,000,000 -287,000,000 -31,000,000 -22,000,000 -150,000,000           
          proceeds from maturity or sale of other investments
        2,000,000   5,000,000 1,000,000 259,000,000 166,000,000 127,000,000 153,000,000 81,000,000 119,000,000 125,000,000 178,000,000 591,000,000 318,000,000 438,000,000 292,000,000 30,000,000 85,000,000 181,000,000 255,000,000 28,000,000 33,000,000 160,000,000 279,000,000 29,000,000 20,000,000 140,000,000 146,000,000 59,000,000 1,000,000 490,000,000           
          payments for business combinations, net of cash acquired
           -1,194,000,000 -421,000,000 -409,000,000     -255,000,000 -57,000,000 -348,000,000 -310,000,000 -54,000,000 -580,000,000 -403,000,000 -86,000,000  -146,000,000 -35,000,000 -197,000,000  -1,000,000 -477,000,000 -1,000,000    -6,000,000         
          net cash from investing activities
        -66,000,000 -82,000,000 -7,000,000 -79,000,000   -238,000,000   -85,000,000 -215,000,000 -78,000,000 -257,000,000 -471,000,000 700,000,000 -498,000,000 -407,000,000 -721,000,000 -538,000,000 -49,000,000 -658,000,000 -259,000,000 -272,000,000 -375,000,000 340,000,000 1,267,000,000 356,000,000 -550,000,000 -266,000,000 -584,000,000 -227,000,000 -160,000,000 -124,000,000 -389,000,000 91,000,000 -90,300,000 -612,400,000 -31,900,000 -228,400,000     
          cash flows from financing activities:
                                                   
          issuance of common stock under stock-based compensation plans
        13,000,000 14,000,000 19,000,000 14,000,000 14,000,000 15,000,000 20,000,000 14,000,000 16,000,000 18,000,000 23,000,000 15,000,000 19,000,000 21,000,000 31,000,000 26,000,000 29,000,000 32,000,000 43,000,000 33,000,000 33,000,000 36,000,000 40,000,000 32,000,000 37,000,000 40,000,000 50,000,000 39,000,000 40,000,000 42,000,000 60,000,000 43,000,000 42,000,000 43,000,000 61,000,000 41,400,000 44,300,000 40,900,000 49,400,000 32,700,000 30,400,000 31,800,000 36,700,000 
          repurchases of common stock
        -463,000,000 -368,000,000 -209,000,000 -154,000,000 -242,000,000 -76,000,000 -133,000,000 -313,000,000 -315,000,000 -214,000,000 -222,000,000 -315,000,000 -315,000,000 -318,000,000 -474,000,000 -82,000,000 -129,000,000 -320,000,000 -240,000,000 -788,000,000 -248,000,000 -74,000,000 -511,000,000 -163,000,000 -259,000,000 -1,054,000,000 -771,000,000 -267,000,000 -45,000,000 -633,000,000 -316,000,000 -332,000,000 -13,000,000 -30,000,000 -1,514,000,000 -19,800,000 -157,100,000 -77,700,000 -257,400,000 -76,800,000 -169,200,000 -175,600,000 -38,400,000 
          repayment of term loan borrowings and earnout and finance lease obligations
        -11,000,000 -9,000,000 -12,000,000  -11,000,000 -10,000,000 -40,000,000                                     
          proceeds from borrowings under the revolving credit facility
                                                  
          repayment of notes outstanding under the revolving credit facility
        -300,000,000                                         
          dividends paid
        -151,000,000 -153,000,000 -155,000,000 -150,000,000 -149,000,000 -150,000,000 -151,000,000 -146,000,000 -147,000,000 -148,000,000 -150,000,000 -139,000,000 -141,000,000 -141,000,000 -143,000,000 -127,000,000 -127,000,000 -127,000,000 -128,000,000 -118,000,000 -120,000,000 -121,000,000 -121,000,000 -110,000,000 -111,000,000 -116,000,000 -116,000,000 -116,000,000 -116,000,000 -118,000,000 -118,000,000 -86,000,000 -90,000,000           
          net cash from financing activities
        -612,000,000 -516,000,000 -657,000,000 -602,000,000   -304,000,000     -431,000,000 -458,000,000 -450,000,000 -600,000,000 -196,000,000 -239,000,000 -428,000,000 -340,000,000 -2,626,000,000 -347,000,000 -171,000,000 1,135,000,000 -253,000,000 -340,000,000 -1,137,000,000 -839,000,000 -325,000,000 -146,000,000 -734,000,000 -488,000,000 -333,000,000 -231,000,000 -297,000,000 -1,124,000,000 10,600,000 -118,500,000 -143,300,000 -467,800,000     
          effect of exchange rate changes on cash, cash equivalents and restricted cash and cash equivalents
        -4,000,000 16,000,000 13,000,000 -21,000,000 11,000,000 -39,000,000                                     
          increase in cash, cash equivalents and restricted cash and cash equivalents
              -486,000,000                                     
          cash, cash equivalents and restricted cash and cash equivalents beginning of year
        2,231,000,000  2,717,000,000                                     
          cash and cash equivalents, end of period
        545,000,000 -184,000,000 1,980,000,000  -180,000,000 -38,000,000 2,231,000,000  149,000,000 -403,000,000 2,458,000,000  274,000,000 -424,000,000 2,192,000,000  296,000,000 -605,000,000 1,973,000,000  14,000,000 536,000,000 3,886,000,000 302,000,000 683,000,000   -178,000,000 438,000,000   348,000,000 420,000,000 -151,000,000 1,308,000,000 483,700,000 -134,200,000 160,700,000 1,523,800,000 648,500,000 387,400,000 -182,100,000 1,271,400,000 
          depreciation and amortization
         139,000,000 136,000,000 143,000,000 133,000,000 133,000,000 133,000,000 136,000,000 146,000,000 141,000,000 132,000,000 141,000,000 141,000,000 144,000,000 143,000,000 144,000,000 144,000,000 145,000,000 141,000,000 148,000,000 138,000,000 137,000,000 136,000,000 133,000,000 127,000,000 133,000,000 133,000,000 131,000,000 127,000,000 123,000,000 117,000,000 122,000,000 114,000,000 103,000,000 104,000,000 100,600,000 97,800,000 92,900,000 87,700,000 88,000,000 82,400,000 84,000,000 75,600,000 
          (decrease) in cash, cash equivalents and restricted cash and cash equivalents
         -184,000,000 -251,000,000  -180,000,000                                       
          changes in operating assets and liabilities, net of effects of businesses acquired:
                                                   
          trade accounts receivable
                  89,000,000 -65,000,000 78,000,000 -134,000,000 -117,000,000 -36,000,000 -92,000,000 -148,000,000 -131,000,000 52,000,000 134,000,000 65,000,000 13,000,000 213,000,000 -47,000,000 2,000,000 -131,000,000 -52,000,000 17,000,000 -57,000,000 -273,000,000 35,000,000 -181,000,000 -17,000,000 -86,000,000 -68,800,000 -74,000,000 -132,000,000 -55,200,000 -131,800,000 -4,900,000 -75,000,000 -110,700,000 
          deferred revenue, current and noncurrent
                                                   
          purchases of available-for-sale investment securities
                  -159,000,000 -555,000,000 -448,000,000 -65,000,000 -30,000,000 -295,000,000       -90,000,000 -243,000,000 -274,000,000 -550,000,000 -506,000,000 -300,000,000 -957,000,000 -541,000,000           
          proceeds from maturity of available-for-sale investment securities
                                                   
          purchases of held-to-maturity investment securities
               -3,000,000 -12,000,000 -16,000,000 -16,000,000 -43,000,000 -71,000,000 -7,000,000 -82,000,000 -202,000,000 -270,000,000 -17,000,000 -312,000,000 -94,000,000 -270,000,000 -574,000,000 -297,000,000 -222,000,000 -206,000,000 -353,000,000           
          proceeds from sales of businesses
                   9,000,000 19,000,000                             
          repayment of term loan borrowings and earnout obligations and finance leases
                                                   
          proceeds from debt refinancing
                                                   
          debt issuance costs
                                                   
          cash, cash equivalents and restricted cash, beginning of year
                                                   
          cash, cash equivalents, and restricted cash and cash equivalents, end of year
                                                   
          supplemental information:
                                                   
          cash paid for income taxes during the year
                                                   
          cash interest paid during the year
                                                   
          changes in assets and liabilities, net of the effect of business combinations:
                                                   
          proceeds from maturity or sale of available-for-sale investment securities
                225,000,000  399,000,000 65,000,000 310,000,000 15,000,000        1,457,000,000 650,000,000 322,000,000 610,000,000 713,000,000 193,000,000 1,052,000,000 416,000,000           
          net cash (used in) investing activities
               168,000,000                                 -176,900,000 -489,500,000 -364,000,000 
          net cash (used in) financing activities
               -455,000,000 -450,000,000 -354,000,000 -350,000,000                              -248,500,000 -149,100,000 -557,300,000 
          changes in assets and liabilities:
                                                   
          repayment of term loan borrowings and finance lease and earnout obligations
               -10,000,000 -4,000,000 -10,000,000 -1,000,000 -639,000,000 -21,000,000 -12,000,000 -14,000,000 -13,000,000 -12,000,000 -13,000,000 -15,000,000 -13,000,000 -12,000,000   -12,000,000 -7,000,000                   
          effect of exchange rate changes on cash, cash equivalents and restricted cash
                                  3,000,000    1,000,000             
          increase in cash, cash equivalents and restricted cash
                  164,000,000                                 
          cash, cash equivalents and restricted cash beginning of year
                2,294,000,000                                 
          (decrease) in cash, cash equivalents and restricted cash
                                  -211,000,000    -326,000,000             
          proceeds from borrowing under the revolving credit facility
                                                   
          cash and cash equivalents, beginning of year
                   1,792,000,000 2,680,000,000 2,645,000,000 1,161,000,000 1,925,000,000 2,034,000,000 -200,000 2,125,200,000 2,010,100,000 
          cash, cash equivalents and restricted cash, end of year
                                                   
          effect of exchange rate changes on cash and cash equivalents
                    -43,000,000 -31,000,000 -6,000,000 -3,000,000 -6,000,000 3,000,000 -10,000,000 21,000,000 94,000,000 -13,000,000 -119,000,000 -8,000,000 -34,000,000   -5,000,000 -12,000,000   5,000,000 2,000,000 14,000,000 30,000,000 -35,000,000 2,700,000 -23,700,000 26,000,000 -8,100,000 -5,100,000 400,000 -6,700,000 
          increase in cash and cash equivalents
                      400,000,000 128,000,000 296,000,000 -605,000,000 -707,000,000 -1,756,000,000 14,000,000 536,000,000 1,241,000,000 302,000,000 683,000,000               648,500,000    
          (decrease) in cash and cash equivalents
                                   -178,000,000 438,000,000    420,000,000 -151,000,000 -726,000,000  -134,200,000 160,700,000 -601,400,000   -182,100,000 -738,700,000 
          cash and cash equivalents, end of year
                                                   
          net repayments in notes outstanding under the revolving credit facility
                                                   
          proceeds from debt modification
                                                   
          borrowings under the revolving credit facility
                            1,740,000,000                     
          repayment of term loan borrowings and finance lease obligations
                              -13,000,000    -2,000,000                 
          payments for business combinations, net of cash acquired, and equity and cost method investments
                                                   
          net change in notes outstanding under the revolving credit facility
                                   -75,000,000   -200,000,000 350,000,000 -100,000,000 -250,000,000 350,000,000    
          provision for doubtful accounts
                                4,000,000 8,000,000 14,000,000 8,000,000 1,000,000 2,000,000 2,000,000 3,000,000 -5,000,000 8,000,000 9,000,000 2,800,000 5,200,000 -1,400,000 5,400,000     
          cash, cash equivalents and restricted cash, end of period
                                  950,000,000    1,599,000,000             
          other current assets
                                   -122,000,000 42,000,000 -56,000,000 352,000,000 -202,000,000 102,000,000 -101,000,000 20,000,000 -19,800,000 35,600,000 -42,000,000 -77,800,000 -24,900,000 13,000,000 20,800,000 -41,400,000 
          other noncurrent assets
                                   -30,000,000 -35,000,000 -54,000,000 -105,000,000 -24,000,000 -19,000,000 -15,000,000 -31,000,000 -8,000,000 -45,400,000 7,200,000 -12,800,000 1,500,000 10,200,000 -49,300,000 -1,000,000 
          repayment of term loan borrowings and capital lease obligations
                                   -2,000,000 -25,000,000 -25,000,000 -39,000,000 -33,000,000 -20,000,000 -21,000,000 -21,000,000 -16,000,000 -14,500,000 -13,500,000 -13,000,000 -13,800,000 -13,400,000   
          payments for business combinations, net of cash acquired and equity method investment
                                        -66,000,000    -33,700,000       
          purchases of investments
                                          -1,584,000,000 -953,500,000 -1,282,600,000 -1,836,900,000 -1,096,000,000 -909,800,000 -528,100,000 -846,100,000 -719,700,000 
          proceeds from maturity or sale of investments
                                          1,747,000,000 1,099,400,000 778,100,000 1,960,700,000 1,001,800,000 645,400,000 416,300,000 432,200,000 413,700,000 
          excess tax benefits on stock-based compensation plans
                                           -5,000,000 -8,800,000 -7,000,000 -3,200,000 -14,700,000 -3,700,000 -7,800,000 -7,500,000 
          proceeds from term loan borrowings
                                                   
          business combinations, net of cash acquired
                                              -70,500,000     
          benefit from doubtful accounts
                                                9,800,000 3,500,000 -4,900,000 
          net change in notes outstanding under revolving credit facility
                                                   
          repayments of debt
                                                  -563,100,000 
          proceeds from debt