v3.26.1
Derivative Instruments and Hedging Activities - Schedule of Statement of Gains and Losses on Derivative Instruments Reported in Statement of Comprehensive Income (Details) - Total derivatives not designated as accounting hedges - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Derivative Instruments, Gain (Loss) [Line Items]    
Total gain recognized in earnings $ 0 $ 1
Interest rate    
Derivative Instruments, Gain (Loss) [Line Items]    
Total gain recognized in earnings 0 1
Foreign exchange    
Derivative Instruments, Gain (Loss) [Line Items]    
Total gain recognized in earnings 1 0
Credit    
Derivative Instruments, Gain (Loss) [Line Items]    
Total gain recognized in earnings (1) 0
Gain on mortgage and automotive loans, net | Interest rate    
Derivative Instruments, Gain (Loss) [Line Items]    
Total gain recognized in earnings 0 1
Other operating expenses | Foreign exchange    
Derivative Instruments, Gain (Loss) [Line Items]    
Total gain recognized in earnings 1 0
Other income, net of losses | Credit    
Derivative Instruments, Gain (Loss) [Line Items]    
Total gain recognized in earnings $ (1) $ 0