Quarterly report pursuant to Section 13 or 15(d)

Securities - Gross Realized Gains (Losses) on Sales of Available For Sale Debt Securities (Details)

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Securities - Gross Realized Gains (Losses) on Sales of Available For Sale Debt Securities (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Investments, Debt and Equity Securities [Abstract]    
Gross gains $ 11 $ 96
Gross losses (1) (306)
Net gains (losses) on sales of AFS debt securities 10 (210)
Income tax expense (benefit) attributable to realized net gains (losses) on sales of AFS debt securities $ 2 $ (53)