v3.25.1
Capital (Capital Requirements) (Details) - USD ($)
$ in Millions
Mar. 31, 2025
Dec. 31, 2024
Banking Regulation, Total Capital [Abstract]    
Risk-Based Capital, Required $ 1,174 $ 1,058
Risk-Based Capital, Actual 7,118 7,272
Regulatory Capital, Required 3,120 3,269
Regulatory Capital, Actual $ 7,118 $ 7,272
Regulatory Capital Ratio, Required 4.00% 4.00%
Regulatory Capital Ratio, Actual 9.13% 8.90%
Leverage Capital, Required $ 3,900 $ 4,087
Leverage Capital, Actual $ 10,676 $ 10,908
Leverage ratio - Required 5.00% 5.00%
Leverage Ratio, Actual 13.69% 13.35%