Quarterly report pursuant to Section 13 or 15(d)

Outstanding Loans and Leases and Allowance for Credit Losses - Consumer Real Estate - TDRs Entering Payment Default That Were Modified During the Preceding 12 Months (Details)

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Outstanding Loans and Leases and Allowance for Credit Losses - Consumer Real Estate - TDRs Entering Payment Default That Were Modified During the Preceding 12 Months (Details) - Consumer real estate
$ in Millions
 3 Months Ended
Mar. 31, 2022
USD ($)
Financing Receivable, Modified [Line Items]  
Troubled debt restructurings entering payment default that were modified during the preceding twelve months $ 45
Modifications under proprietary programs  
Financing Receivable, Modified [Line Items]  
Troubled debt restructurings entering payment default that were modified during the preceding twelve months 40
Loans discharged in Chapter 7 bankruptcy  
Financing Receivable, Modified [Line Items]  
Troubled debt restructurings entering payment default that were modified during the preceding twelve months 1
Trial modifications  
Financing Receivable, Modified [Line Items]  
Troubled debt restructurings entering payment default that were modified during the preceding twelve months $ 4