v3.26.1
Financial Instruments - Schedule of Income Statement Effects on Derivatives Not Designated as Hedging Instruments (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Currency Swap | Location, Statement of Income, Balance [Axis]: us-gaap:OtherNonoperatingIncomeExpense        
Derivative Instruments, Gain (Loss) [Line Items]        
Amount of Derivative Pretax Loss (Gain) Recognized in Income $ 108 $ (237) $ 144 $ (256)
Foreign Exchange Future | Location, Statement of Income, Balance [Axis]: us-gaap:Revenues        
Derivative Instruments, Gain (Loss) [Line Items]        
Amount of Derivative Pretax Loss (Gain) Recognized in Income 7 17 20 34
Total return swap contracts | Location, Statement of Income, Balance [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense        
Derivative Instruments, Gain (Loss) [Line Items]        
Amount of Derivative Pretax Loss (Gain) Recognized in Income $ (7) $ 0 $ (7) $ 0