v3.26.1
Derivatives and Hedging Activities - Gains and Losses (Details) - Interest Rate Contract - Fair Value Hedges - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Derivative Instruments, Gain (Loss) [Line Items]    
Fixed-rate long-term debt $ 222 $ (263)
Derivatives designated as hedging instruments (222) 263
Total $ 0 $ 0