Annual report pursuant to Section 13 and 15(d)

Variable Interest Entities - Low Income Housing Tax Credit Partnerships (Details)

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Variable Interest Entities - Low Income Housing Tax Credit Partnerships (Details) - Variable Interest Entity, Not Primary Beneficiary - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Affordable Housing Tax Credit Partnerships      
Variable Interest Entity [Line Items]      
Affordable housing tax credit investments $ 2,891 $ 2,376  
Less: amortization (855) (724)  
Net affordable housing tax credit investments 2,036 1,652  
Unfunded commitments 1,260 949  
Tax credits and other tax benefits recognized 203 144 $ 113
Proportional Amortization Method      
Variable Interest Entity [Line Items]      
Proportional amortization expense included in provision for income taxes $ 170 $ 126 $ 97