Quarterly report pursuant to Section 13 or 15(d)

LOANS AND LEASES - TDRs (Details)

v3.21.1
LOANS AND LEASES - TDRs (Details)
$ in Millions
 3 Months Ended
Mar. 31, 2021
USD ($)
contract
Mar. 31, 2020
USD ($)
contract
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Number of Contracts | contract 1,208 1,386
Post-modification outstanding recorded investment $ 32 $ 88
Interest rate reduction    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Post-modification outstanding recorded investment 0 1
Amortization or maturity date change    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Post-modification outstanding recorded investment 27 81
Chapter 7 bankruptcy    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Post-modification outstanding recorded investment 4 6
Other    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Post-modification outstanding recorded investment $ 1 $ 0
Commercial and industrial | Commercial and industrial    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Number of Contracts | contract 12 140
Post-modification outstanding recorded investment $ 5 $ 62
Commercial and industrial | Commercial and industrial | Interest rate reduction    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Post-modification outstanding recorded investment 0 0
Commercial and industrial | Commercial and industrial | Amortization or maturity date change    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Post-modification outstanding recorded investment 5 62
Commercial and industrial | Commercial and industrial | Chapter 7 bankruptcy    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Post-modification outstanding recorded investment 0 0
Commercial and industrial | Commercial and industrial | Other    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Post-modification outstanding recorded investment $ 0 $ 0
Commercial and industrial | Commercial Real Estate    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Number of Contracts | contract   7
Post-modification outstanding recorded investment   $ 2
Commercial and industrial | Commercial Real Estate | Interest rate reduction    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Post-modification outstanding recorded investment   0
Commercial and industrial | Commercial Real Estate | Amortization or maturity date change    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Post-modification outstanding recorded investment   2
Commercial and industrial | Commercial Real Estate | Chapter 7 bankruptcy    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Post-modification outstanding recorded investment   0
Commercial and industrial | Commercial Real Estate | Other    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Post-modification outstanding recorded investment   $ 0
Consumer | Automobile    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Number of Contracts | contract 902 798
Post-modification outstanding recorded investment $ 8 $ 8
Consumer | Automobile | Interest rate reduction    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Post-modification outstanding recorded investment 0 0
Consumer | Automobile | Amortization or maturity date change    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Post-modification outstanding recorded investment 7 6
Consumer | Automobile | Chapter 7 bankruptcy    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Post-modification outstanding recorded investment 1 2
Consumer | Automobile | Other    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Post-modification outstanding recorded investment $ 0 $ 0
Consumer | Home equity    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Number of Contracts | contract 62 63
Post-modification outstanding recorded investment $ 3 $ 3
Consumer | Home equity | Interest rate reduction    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Post-modification outstanding recorded investment 0 0
Consumer | Home equity | Amortization or maturity date change    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Post-modification outstanding recorded investment 1 1
Consumer | Home equity | Chapter 7 bankruptcy    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Post-modification outstanding recorded investment 2 2
Consumer | Home equity | Other    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Post-modification outstanding recorded investment $ 0 $ 0
Consumer | Residential Mortgage    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Number of Contracts | contract 86 101
Post-modification outstanding recorded investment $ 14 $ 11
Consumer | Residential Mortgage | Interest rate reduction    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Post-modification outstanding recorded investment 0 0
Consumer | Residential Mortgage | Amortization or maturity date change    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Post-modification outstanding recorded investment 13 9
Consumer | Residential Mortgage | Chapter 7 bankruptcy    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Post-modification outstanding recorded investment 1 2
Consumer | Residential Mortgage | Other    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Post-modification outstanding recorded investment $ 0 $ 0
Consumer | RV and marine    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Number of Contracts | contract 49 28
Post-modification outstanding recorded investment $ 1 $ 1
Consumer | RV and marine | Interest rate reduction    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Post-modification outstanding recorded investment 0 0
Consumer | RV and marine | Amortization or maturity date change    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Post-modification outstanding recorded investment 1 1
Consumer | RV and marine | Chapter 7 bankruptcy    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Post-modification outstanding recorded investment 0 0
Consumer | RV and marine | Other    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Post-modification outstanding recorded investment $ 0 $ 0
Consumer | Other Consumer    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Number of Contracts | contract 97 249
Post-modification outstanding recorded investment $ 1 $ 1
Consumer | Other Consumer | Interest rate reduction    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Post-modification outstanding recorded investment 0 1
Consumer | Other Consumer | Amortization or maturity date change    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Post-modification outstanding recorded investment 0 0
Consumer | Other Consumer | Chapter 7 bankruptcy    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Post-modification outstanding recorded investment 0 0
Consumer | Other Consumer | Other    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Post-modification outstanding recorded investment $ 1 $ 0