v3.26.1
Fair Value Measurements - Valuation Of Financial Instruments By Pricing Categories (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended 9 Months Ended
Jun. 30, 2026
Jun. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Assets [Abstract]        
Available-for-sale securities, current $ 85 $ 85   $ 89
Total assets measured at fair value 3,893 3,893   4,453
Contingent consideration:        
Total liabilities measured at fair value 1,199 1,199   995
Fair Value, Inputs, Level 1        
Assets [Abstract]        
Cash and cash equivalents 3,391 3,391   4,011
Trading marketable securities 336 336   307
Total assets measured at fair value 3,727 3,727   4,318
Liabilities        
Deferred compensation arrangements 336 336   307
Contingent consideration:        
Total liabilities measured at fair value 336 336   307
Fair Value, Inputs, Level 2        
Assets [Abstract]        
Available-for-sale securities, current 85 85   89
Total assets measured at fair value 166 166   135
Contingent consideration:        
Total liabilities measured at fair value 107 107   170
Fair Value, Inputs, Level 2 | Foreign currency exchange forward contracts        
Assets [Abstract]        
Derivative asset 81 81   46
Liabilities        
Foreign currency exchange forward contracts 107 107   170
Fair Value, Inputs, Level 2 | Corporate and asset-backed debt securities        
Assets [Abstract]        
Available-for-sale securities, current 47 47   52
Fair Value, Inputs, Level 2 | United States treasury debt securities        
Assets [Abstract]        
Available-for-sale securities, current 38 38   37
Fair Value, Inputs, Level 3        
Contingent consideration:        
Beginning   518 $ 452  
Additions 271   123  
Change in estimate and foreign exchange   7 24  
Settlements   (40) $ (81)  
Ending 756 756    
Total liabilities measured at fair value $ 756 $ 756   $ 518