v3.26.1
Financial Instruments (Aggregate Fair Value and Carrying Value) (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Derivative [Line Items]    
Carrying value $ 24,602 $ 25,709
Fair value 22,727 24,303
Foreign Currency Denominated Debt [Member]    
Derivative [Line Items]    
Carrying value 2,595 2,638
Fair value $ 2,545 $ 2,619