Quarterly report pursuant to Section 13 or 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 - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Dec. 31, 2022
Affordable Housing Tax Credit Partnerships      
Variable Interest Entity [Line Items]      
Affordable housing tax credit investments $ 3,050   $ 2,891
Less: amortization (909)   (855)
Net affordable housing tax credit investments 2,141   2,036
Unfunded commitments 1,326   $ 1,260
Tax credits and other tax benefits recognized 66 $ 53  
Proportional Amortization Method      
Variable Interest Entity [Line Items]      
Proportional amortization expense included in provision for income taxes $ 54 $ 41