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, 2022
Dec. 31, 2021
Derivative [Line Items]    
Hedged liability, long-term debt, carrying value $ 181,212 $ 181,745
Hedged liability, long-term debt, cumulative fair value adjustments (6,968) 3,987
Amortized cost basis of portfolios used in hedging relationships 19,500 21,100
Hedged asset, fair value edge, last-of-layer, amount 6,200 6,900
Cumulative basis adjustments, hedging relationships (370) (172)
Total AFS debt securities    
Derivative [Line Items]    
Hedged asset, available-for-sale debt securities, carrying value 203,697 209,038
Hedged asset, available-for-sale debt securities, cumulative fair value adjustments (10,118) (2,294)
Total trading account assets    
Derivative [Line Items]    
Hedged asset, available-for-sale debt securities, carrying value 10,601 2,067
Hedged asset, available-for-sale debt securities, cumulative fair value adjustments 283 32
Interest rate risk on long-term debt    
Derivative [Line Items]    
Increase (decrease) in liability 1,300 1,500
Interest rate risk on AFS securities    
Derivative [Line Items]    
Available-for-sale securities from discontinued hedging relationships cumulative increase (decrease) $ (4,200) $ (1,000)