Annual report pursuant to Section 13 and 15(d)

Outstanding Loans and Leases and Allowance for Credit Losses - Consumer Real Estate - TDRs Entered into During the Period (Details)

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Outstanding Loans and Leases and Allowance for Credit Losses - Consumer Real Estate - TDRs Entered into During the Period (Details) - Consumer real estate - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Financing Receivable, Modified [Line Items]    
Unpaid Principal Balance $ 1,382 $ 998
Carrying Value $ 1,206 $ 865
Pre-Modification Interest Rate 3.71% 3.49%
Post-Modification Interest Rate 3.62% 3.41%
Residential mortgage    
Financing Receivable, Modified [Line Items]    
Unpaid Principal Balance $ 1,144 $ 891
Carrying Value $ 1,015 $ 788
Pre-Modification Interest Rate 3.52% 3.48%
Post-Modification Interest Rate 3.40% 3.38%
Home equity    
Financing Receivable, Modified [Line Items]    
Unpaid Principal Balance $ 238 $ 107
Carrying Value $ 191 $ 77
Pre-Modification Interest Rate 4.61% 3.60%
Post-Modification Interest Rate 4.65% 3.59%