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Other Earning Assets (Narrative) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Investments, Debt and Equity Securities [Abstract]      
Equity Securities, FV-NI $ 819 $ 813  
Equity Securities, FV-NI, Unrealized Gain 25 15  
Equity Securities, FV-NI, Unrealized Loss     $ 45
Other Miscellaneous Earning Assets $ 165 $ 152