Annual report [Section 13 and 15(d), not S-K Item 405]

Assets and Liabilities Measured at Fair Value - Realized and Unrealized Gains (Losses) on Financial Instruments (Details)

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Assets and Liabilities Measured at Fair Value - Realized and Unrealized Gains (Losses) on Financial Instruments (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Assets and Liabilities Measured at Fair Value      
Realized and unrealized gains (losses) on financial instruments, net $ 288 $ (139) $ 44
Debt measured at fair value      
Assets and Liabilities Measured at Fair Value      
Realized and unrealized gains (losses) on financial instruments, net (6) (95) (13)
Gain (loss) on changes in fair value (4) (15) (12)
Cumulative amount of gain (loss) in changes in fair value 65    
Foreign currency forward contracts      
Assets and Liabilities Measured at Fair Value      
Realized and unrealized gains (losses) on financial instruments, net 335 (138)  
Interest rate swaps      
Assets and Liabilities Measured at Fair Value      
Realized and unrealized gains (losses) on financial instruments, net (41) 103 28
Debt and equity securities      
Assets and Liabilities Measured at Fair Value      
Realized and unrealized gains (losses) on financial instruments, net (12) (5) 27
Other      
Assets and Liabilities Measured at Fair Value      
Realized and unrealized gains (losses) on financial instruments, net $ 12 $ (4) $ 2