Quarterly report pursuant to Section 13 or 15(d)

Derivatives - Designated Fair Value Hedged Assets and Liabilities (Details)

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Derivatives - Designated Fair Value Hedged Assets and Liabilities (Details) - USD ($)
$ in Millions
Mar. 31, 2024
Dec. 31, 2023
Derivative [Line Items]    
Hedged Liability, Statement of Financial Position [Extensible Enumeration] Long-term debt Long-term debt
Hedged liability, long-term debt, carrying value $ 197,036 $ 203,986
Hedged liability, long-term debt, cumulative fair value adjustments (8,615) (5,767)
Amortized cost basis of portfolios used in hedging relationships 37,900 39,100
Hedged asset, portfolio layer 22,200 22,500
Cumulative basis adjustments, increase (decrease), hedging relationships (339) 48
AFS debt securities – Non-agency residential    
Derivative [Line Items]    
Hedged asset, available-for-sale debt securities and trading account assets, carrying value 181,553 134,077
Hedged asset, available-for-sale debt securities, cumulative fair value adjustments (4,598) (1,793)
Total trading account assets    
Derivative [Line Items]    
Hedged asset, available-for-sale debt securities and trading account assets, carrying value 5,303 7,475
Hedged asset, available-for-sale debt securities, cumulative fair value adjustments 397 414
Interest rate risk on long-term debt    
Derivative [Line Items]    
Decrease in liability 10,500 10,500
Interest rate risk on available-for-sale securities    
Derivative [Line Items]    
Available-for-sale securities from discontinued hedging relationships cumulative decrease $ 5,300 $ 5,600