v3.26.1
Financial Instruments - Senior Notes Offering and Other Long-Term Debt (Details)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended 6 Months Ended
Dec. 31, 2025
USD ($)
$ / shares
Dec. 18, 2025
USD ($)
day
$ / shares
shares
Mar. 31, 2026
shares
Jun. 30, 2026
USD ($)
$ / shares
Jun. 30, 2025
USD ($)
[1]
Aug. 18, 2025
USD ($)
Debt Instrument [Line Items]            
Payment to fund capped call transactions   $ 187        
Payments for the repurchase of common stock $ 1,535 $ 248   $ 1,190 $ 781  
Treasury stock acquired, shares | shares   2.1 12.3      
Common stock, par value (in dollars per share) | $ / shares $ 0.01 $ 0.01   $ 0.01    
Strike price (in dollars per share) | $ / shares   148.20        
Initial cap price (in dollars per share) | $ / shares   $ 211.72        
Derivative, capped call, shares of common stock covered (in shares) | shares   13.5        
Deferred tax assets, hedging transaction $ 42          
Senior Notes            
Debt Instrument [Line Items]            
Debt, purchase price percent due to downgrade of investment grade           101.00%
Senior Notes | 0.250% 2025 convertible senior notes due 2029            
Debt Instrument [Line Items]            
Interest rate percentage   0.25%        
Senior Notes | 4.150% 2025 senior notes due 2028            
Debt Instrument [Line Items]            
Interest rate percentage           4.15%
Debt instrument, face amount           $ 850
Senior Notes | 5.000% 2025 senior notes due 2035            
Debt Instrument [Line Items]            
Interest rate percentage           5.00%
Debt instrument, face amount           $ 1,000
Senior Notes | Senior Notes Due 2025            
Debt Instrument [Line Items]            
Original issue discount           2
Senior Notes | 5.400% 2022 senior notes due 2025            
Debt Instrument [Line Items]            
Interest rate percentage       5.40%    
Aggregate principal amount repurchased           600
Senior Notes | 4.500% 2015 senior notes due 2025            
Debt Instrument [Line Items]            
Interest rate percentage       4.50%    
Aggregate principal amount repurchased           $ 750
Convertible Debt | 0.250% 2025 convertible senior notes due 2029            
Debt Instrument [Line Items]            
Debt instrument, face amount   $ 2,000        
Initial conversion price (in dollars per share) | $ / shares   $ 148.20        
Debt instrument, convertible, threshold trading days | day   20        
Debt instrument, convertible, threshold consecutive trading days | day   30        
Net proceeds   $ 1,970        
Payment of debt issuance costs   $ 30        
Convertible Debt | 0.250% 2025 convertible senior notes due 2029 | Debt Conversion Terms One            
Debt Instrument [Line Items]            
Debt instrument, convertible stock trigger price, threshold   130.00%        
Convertible Debt | 0.250% 2025 convertible senior notes due 2029 | Debt Conversion Terms Two            
Debt Instrument [Line Items]            
Debt instrument, convertible stock trigger price, threshold   98.00%        
Convertible Debt | Convertible Senior Notes 0.250% Due 2029, Pursuant To Initial Purchasers' Option            
Debt Instrument [Line Items]            
Debt instrument, face amount   $ 250        
[1] See Note 2. Basis of Presentation for further detail regarding the Fiscal Year Alignment.