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 - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2022
Financing Receivable, Modified [Line Items]    
Troubled debt restructurings entering payment default that were modified during the preceding twelve months $ 39 $ 84
Modifications under proprietary programs    
Financing Receivable, Modified [Line Items]    
Troubled debt restructurings entering payment default that were modified during the preceding twelve months 32 72
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 0 1
Trial modifications    
Financing Receivable, Modified [Line Items]    
Troubled debt restructurings entering payment default that were modified during the preceding twelve months $ 7 $ 11