v3.25.4
Fair Value Measurements And Disclosure (Effect Of Derivatives On The Consolidated Statements Of Income) (Details) - USD ($)
$ in Millions
 9 Months Ended 12 Months Ended
Sep. 30, 2022
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Derivative Instruments, Gain (Loss) [Line Items]        
Gain (loss) recognized in accumulated OCI $ (1,857)      
Interest rate swaps        
Derivative Instruments, Gain (Loss) [Line Items]        
Gain (Loss) on swaps   $ (3) $ (1) $ (6)
Gain (loss) on long-term debt   3 1 6
Cross-currency swaps        
Derivative Instruments, Gain (Loss) [Line Items]        
Gain (Loss) on swaps   3,741 (1,347) 1,121
Gain (loss) on long-term debt   (3,741) 1,347 (1,121)
Gain (loss) recognized in accumulated OCI   (866) 501 1,126
Gain (loss) recognized in accumulated OCI   0 0 12
Foreign exchange contracts        
Derivative Instruments, Gain (Loss) [Line Items]        
Gain (Loss) on swaps   0 0 12
Gain (loss) on long-term debt   0 0 (12)
Gain (loss) recognized in accumulated OCI   0 0 12
Interest rate locks | Interest income (expense)        
Derivative Instruments, Gain (Loss) [Line Items]        
Amount reclassified from accumulated OCI into income   $ (59) $ (59) $ (59)