Annual report pursuant to Section 13 and 15(d)

LOANS / LEASES - TDRs (Details)

v3.20.4
LOANS / LEASES - TDRs (Details)
$ in Millions
 12 Months Ended
Dec. 31, 2020
USD ($)
contract
Dec. 31, 2019
USD ($)
contract
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Number of Contracts | contract 4,996 5,229
Post-modification Outstanding Recorded Investment $ 330 $ 283
Interest rate reduction    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Post-modification Outstanding Recorded Investment 3 8
Amortization or maturity date change    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Post-modification Outstanding Recorded Investment 244 249
Chapter 7 bankruptcy    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Post-modification Outstanding Recorded Investment 22 19
Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Post-modification Outstanding Recorded Investment $ 61 $ 7
Commercial and industrial | Commercial and industrial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Number of Contracts | contract 317 482
Post-modification Outstanding Recorded Investment $ 181 $ 179
Commercial and industrial | Commercial and industrial | Interest rate reduction    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Post-modification Outstanding Recorded Investment 0 0
Commercial and industrial | Commercial and industrial | Amortization or maturity date change    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Post-modification Outstanding Recorded Investment 123 172
Commercial and industrial | Commercial and industrial | Chapter 7 bankruptcy    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Post-modification Outstanding Recorded Investment 0 0
Commercial and industrial | Commercial and industrial | Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Post-modification Outstanding Recorded Investment $ 58 $ 7
Commercial and industrial | Commercial real estate    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Number of Contracts | contract 13 29
Post-modification Outstanding Recorded Investment $ 3 $ 13
Commercial and industrial | Commercial real estate | Interest rate reduction    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Post-modification Outstanding Recorded Investment 0 0
Commercial and industrial | Commercial real estate | Amortization or maturity date change    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Post-modification Outstanding Recorded Investment 3 13
Commercial and industrial | Commercial real estate | Chapter 7 bankruptcy    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Post-modification Outstanding Recorded Investment 0 0
Commercial and industrial | Commercial real estate | Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Post-modification Outstanding Recorded Investment $ 0 $ 0
Consumer | Automobile    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Number of Contracts | contract 3,018 2,971
Post-modification Outstanding Recorded Investment $ 35 $ 26
Consumer | Automobile | Interest rate reduction    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Post-modification Outstanding Recorded Investment 0 0
Consumer | Automobile | Amortization or maturity date change    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Post-modification Outstanding Recorded Investment 29 19
Consumer | Automobile | Chapter 7 bankruptcy    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Post-modification Outstanding Recorded Investment 6 7
Consumer | Automobile | Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Post-modification Outstanding Recorded Investment $ 0 $ 0
Consumer | Home equity    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Number of Contracts | contract 273 306
Post-modification Outstanding Recorded Investment $ 16 $ 17
Consumer | Home equity | Interest rate reduction    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Post-modification Outstanding Recorded Investment 0 0
Consumer | Home equity | Amortization or maturity date change    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Post-modification Outstanding Recorded Investment 6 9
Consumer | Home equity | Chapter 7 bankruptcy    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Post-modification Outstanding Recorded Investment 8 8
Consumer | Home equity | Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Post-modification Outstanding Recorded Investment $ 2 $ 0
Consumer | Residential mortgage    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Number of Contracts | contract 585 330
Post-modification Outstanding Recorded Investment $ 86 $ 37
Consumer | Residential mortgage | Interest rate reduction    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Post-modification Outstanding Recorded Investment 0 0
Consumer | Residential mortgage | Amortization or maturity date change    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Post-modification Outstanding Recorded Investment 79 35
Consumer | Residential mortgage | Chapter 7 bankruptcy    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Post-modification Outstanding Recorded Investment 7 2
Consumer | Residential mortgage | Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Post-modification Outstanding Recorded Investment $ 0 $ 0
Consumer | RV and marine    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Number of Contracts | contract 168 139
Post-modification Outstanding Recorded Investment $ 5 $ 3
Consumer | RV and marine | Interest rate reduction    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Post-modification Outstanding Recorded Investment 0 0
Consumer | RV and marine | Amortization or maturity date change    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Post-modification Outstanding Recorded Investment 4 1
Consumer | RV and marine | Chapter 7 bankruptcy    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Post-modification Outstanding Recorded Investment 1 2
Consumer | RV and marine | Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Post-modification Outstanding Recorded Investment $ 0 $ 0
Consumer | Other consumer    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Number of Contracts | contract 622 972
Post-modification Outstanding Recorded Investment $ 4 $ 8
Consumer | Other consumer | Interest rate reduction    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Post-modification Outstanding Recorded Investment 3 8
Consumer | Other consumer | Amortization or maturity date change    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Post-modification Outstanding Recorded Investment 0 0
Consumer | Other consumer | Chapter 7 bankruptcy    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Post-modification Outstanding Recorded Investment 0 0
Consumer | Other consumer | Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Post-modification Outstanding Recorded Investment $ 1 $ 0