v3.26.1
Fair Value Measurements And Disclosure (Notional Amount Of Our Outstanding Derivative Positions) (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Derivative [Line Items]    
Notional amounts of outstanding derivative positions $ 36,069 $ 35,741
Cross-currency swaps    
Derivative [Line Items]    
Notional amounts of outstanding derivative positions $ 36,069 $ 35,741