v3.26.3
Financial Instruments (Aggregate Fair Value and Carrying Value) (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Derivative [Line Items]    
Carrying value $ 24,061 $ 25,709
Fair value 21,026 24,303
Foreign Currency Denominated Debt [Member]    
Derivative [Line Items]    
Carrying value 2,546 2,638
Fair value $ 2,473 $ 2,619