v3.26.3
Fair Value Measurements - Valuation Of Financial Instruments By Pricing Categories (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2026
Sep. 30, 2026
Dec. 31, 2025
Assets [Abstract]      
Available-for-sale securities, current $ 0 $ 0 $ 89
Total assets measured at fair value 3,677 3,677 4,453
Contingent consideration:      
Total liabilities measured at fair value 1,146 1,146 995
Fair Value, Inputs, Level 1      
Assets [Abstract]      
Cash and cash equivalents 3,271 3,271 4,011
Trading marketable securities 339 339 307
Total assets measured at fair value 3,610 3,610 4,318
Liabilities      
Deferred compensation arrangements 339 339 307
Contingent consideration:      
Total liabilities measured at fair value 339 339 307
Fair Value, Inputs, Level 2      
Assets [Abstract]      
Available-for-sale securities, current 0 0 89
Total assets measured at fair value 67 67 135
Contingent consideration:      
Total liabilities measured at fair value 98 98 170
Fair Value, Inputs, Level 2 | Foreign currency exchange forward contracts      
Assets [Abstract]      
Derivative asset 67 67 46
Liabilities      
Foreign currency exchange forward contracts 98 98 170
Fair Value, Inputs, Level 2 | Corporate and asset-backed debt securities      
Assets [Abstract]      
Available-for-sale securities, current 0 0 52
Fair Value, Inputs, Level 2 | United States treasury debt securities      
Assets [Abstract]      
Available-for-sale securities, current 0 0 37
Fair Value, Inputs, Level 3      
Contingent consideration:      
Beginning   518 452
Additions 271   123
Change in estimate and foreign exchange   10 24
Settlements   (90) (81)
Ending 709 709 518
Total liabilities measured at fair value $ 709 $ 709 $ 518