Annual report pursuant to Section 13 and 15(d)

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

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Outstanding Loans and Leases and Allowance for Credit Losses - Credit Card and Other Consumer - TDRs Entered into During the Period (Details) - Credit card and other consumer - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Financing Receivable, Modified [Line Items]    
Unpaid Principal Balance $ 290 $ 260
Carrying Value $ 298 $ 264
Pre-Modification Interest Rate 22.06% 17.68%
Post-Modification Interest Rate 3.92% 4.20%
Credit card    
Financing Receivable, Modified [Line Items]    
Unpaid Principal Balance $ 284 $ 237
Carrying Value $ 293 $ 248
Pre-Modification Interest Rate 22.34% 18.45%
Post-Modification Interest Rate 3.89% 4.09%
Direct/indirect consumer    
Financing Receivable, Modified [Line Items]    
Unpaid Principal Balance $ 6 $ 23
Carrying Value $ 5 $ 16
Pre-Modification Interest Rate 5.51% 5.88%
Post-Modification Interest Rate 5.50% 5.88%