v3.26.3
Debt (Narrative) (Details)
€ in Millions
1 Months Ended 6 Months Ended
Sep. 30, 2026
EUR (€)
Mar. 31, 2026
USD ($)
Mar. 31, 2025
USD ($)
Jun. 30, 2026
USD ($)
Sep. 30, 2026
USD ($)
May 31, 2026
USD ($)
Feb. 28, 2026
USD ($)
Dec. 31, 2025
USD ($)
Debt Instrument [Line Items]                
Commercial paper         $ 1,600,000,000     $ 0
Other Debt Facilities                
Debt Instrument [Line Items]                
Revolving credit facility, amount outstanding         0     0
Debt instrument, unused borrowing capacity         118,000,000     122,000,000
Letters of credit outstanding, amount         $ 141,000,000     150,000,000
Senior notes – 1.349% due 2026                
Debt Instrument [Line Items]                
Interest rate (as a percent)         1.349%      
Senior notes – 1.349% due 2026 | Senior Notes                
Debt Instrument [Line Items]                
Repayments of debt | € € 550              
Senior notes – 3.750% due 2026                
Debt Instrument [Line Items]                
Interest rate (as a percent)   3.75%     3.75%      
Senior notes – 3.750% due 2026 | Senior Notes                
Debt Instrument [Line Items]                
Repayments of debt   $ 600,000,000            
Senior notes – 4.950% due 2036                
Debt Instrument [Line Items]                
Interest rate (as a percent)         4.95%   4.95%  
Senior notes – 4.950% due 2036 | Senior Notes                
Debt Instrument [Line Items]                
Debt instrument, amount             $ 600,000,000  
Senior notes – 3.500% due 2025                
Debt Instrument [Line Items]                
Interest rate (as a percent)     3.50%          
Senior notes – 3.500% due 2025 | Senior Notes                
Debt Instrument [Line Items]                
Repayments of debt     $ 500,000,000          
Revolving Credit Facility                
Debt Instrument [Line Items]                
Revolving credit facility, borrowing capacity       $ 4,250,000,000   $ 3,500,000,000    
Debt instrument, term       5 years        
Revolving Credit Facility | Amended Revolving Credit Facility                
Debt Instrument [Line Items]                
Revolving credit facility, amount outstanding         $ 0     $ 0
Commercial Paper                
Debt Instrument [Line Items]                
Debt instrument, amount       $ 4,250,000,000   $ 3,500,000,000    
Effective interest rate (as a percent)         4.13%