v3.25.4
Debt, Credit Facilities and Commitments and Contingencies - Short-Term Borrowings (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Sep. 30, 2025
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 21, 2023
Dec. 06, 2023
Short-term borrowings            
Repayments of Other Short-Term Debt   $ 2,798 $ 5,008 $ 0    
Proceeds from Short-Term Debt   4,798 5,008 $ 0    
Short-term borrowings   2,499 $ 0      
Term loan facilities            
Short-term borrowings            
Long-Term Debt, Weighted Average Interest Rate, over Time     6.29%      
December 2023 Term Loan Credit Agreement            
Short-term borrowings            
Proceeds from Other Short-Term Debt     $ 5,000      
Repayments of Other Short-Term Debt     $ 5,000      
Debt Instrument, Basis Spread on Variable Rate     0.975%      
Revolving credit facility            
Short-term borrowings            
Revolving credit facility outstanding   0 $ 0      
Revolving Credit Facility Maturing 2030            
Short-term borrowings            
Revolving credit facility, maximum borrowing capacity   $ 3,000        
Revolving credit facility term   5 years        
Revolving Credit Facility Maturing 2028            
Short-term borrowings            
Revolving credit facility, maximum borrowing capacity   $ 5,000        
Revolving credit facility term   5 years        
Commercial Paper            
Short-term borrowings            
Short-Term Debt, Weighted Average Interest Rate, over Time   4.46% 4.91%      
Short-term borrowings   $ 499 $ 0      
December 2023 Bridge Credit Facility            
Short-term borrowings            
Revolving credit facility, maximum borrowing capacity           $ 9,000
364 day Term Loan Credit Agreement            
Short-term borrowings            
Revolving credit facility, maximum borrowing capacity         $ 5,000  
Debt Instrument, Basis Spread on Variable Rate 0.70%          
Short-term borrowings   $ 2,000