Quarterly report pursuant to Section 13 or 15(d)

LOANS AND LEASES - TDRs (Details)

v3.20.2
LOANS AND LEASES - TDRs (Details)
$ in Millions
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2020
USD ($)
contract
Dec. 31, 2019
USD ($)
contract
Jun. 30, 2020
USD ($)
contract
Dec. 31, 2019
USD ($)
contract
Financing Receivable, Troubled Debt Restructuring [Line Items]        
New Troubled Debt Restructuring, Number of Contracts | contract 1,536 1,295 2,922 2,622
New Troubled Debt Restructuring, Post-modification Outstanding Ending Balance $ 116 $ 65 $ 210 $ 129
Interest rate reduction        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
New Troubled Debt Restructuring, Post-modification Outstanding Ending Balance 1 2 2 3
Amortization or maturity date change        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
New Troubled Debt Restructuring, Post-modification Outstanding Ending Balance 58 57 139 117
Chapter 7 bankruptcy        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
New Troubled Debt Restructuring, Post-modification Outstanding Ending Balance 5 6 11 9
Other        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
New Troubled Debt Restructuring, Post-modification Outstanding Ending Balance $ 52 $ 0 $ 58 $ 0
Commercial and industrial | Commercial and Industrial        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
New Troubled Debt Restructuring, Number of Contracts | contract 98 101 238 216
New Troubled Debt Restructuring, Post-modification Outstanding Ending Balance $ 78 $ 39 $ 146 $ 74
Commercial and industrial | Commercial and Industrial | Interest rate reduction        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
New Troubled Debt Restructuring, Post-modification Outstanding Ending Balance 0 0 0 0
Commercial and industrial | Commercial and Industrial | Amortization or maturity date change        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
New Troubled Debt Restructuring, Post-modification Outstanding Ending Balance 26 39 88 74
Commercial and industrial | Commercial and Industrial | Chapter 7 bankruptcy        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
New Troubled Debt Restructuring, Post-modification Outstanding Ending Balance 0 0 0 0
Commercial and industrial | Commercial and Industrial | Other        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
New Troubled Debt Restructuring, Post-modification Outstanding Ending Balance $ 52 $ 0 $ 58 $ 0
Commercial and industrial | Commercial Real Estate        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
New Troubled Debt Restructuring, Number of Contracts | contract 2 6 9 14
New Troubled Debt Restructuring, Post-modification Outstanding Ending Balance $ 1 $ 2 $ 3 $ 11
Commercial and industrial | Commercial Real Estate | Interest rate reduction        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
New Troubled Debt Restructuring, Post-modification Outstanding Ending Balance 0 0 0 0
Commercial and industrial | Commercial Real Estate | Amortization or maturity date change        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
New Troubled Debt Restructuring, Post-modification Outstanding Ending Balance 1 2 3 11
Commercial and industrial | Commercial Real Estate | Chapter 7 bankruptcy        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
New Troubled Debt Restructuring, Post-modification Outstanding Ending Balance 0 0 0 0
Commercial and industrial | Commercial Real Estate | Other        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
New Troubled Debt Restructuring, Post-modification Outstanding Ending Balance $ 0 $ 0 $ 0 $ 0
Consumer | Automobile        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
New Troubled Debt Restructuring, Number of Contracts | contract 1,058 650 1,856 1,394
New Troubled Debt Restructuring, Post-modification Outstanding Ending Balance $ 16 $ 6 $ 24 $ 13
Consumer | Automobile | Interest rate reduction        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
New Troubled Debt Restructuring, Post-modification Outstanding Ending Balance 0 0 0 0
Consumer | Automobile | Amortization or maturity date change        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
New Troubled Debt Restructuring, Post-modification Outstanding Ending Balance 14 4 20 9
Consumer | Automobile | Chapter 7 bankruptcy        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
New Troubled Debt Restructuring, Post-modification Outstanding Ending Balance 2 2 4 4
Consumer | Automobile | Other        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
New Troubled Debt Restructuring, Post-modification Outstanding Ending Balance $ 0 $ 0 $ 0 $ 0
Consumer | Home equity        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
New Troubled Debt Restructuring, Number of Contracts | contract 63 68 126 172
New Troubled Debt Restructuring, Post-modification Outstanding Ending Balance $ 3 $ 3 $ 6 $ 8
Consumer | Home equity | Interest rate reduction        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
New Troubled Debt Restructuring, Post-modification Outstanding Ending Balance 0 0 0 0
Consumer | Home equity | Amortization or maturity date change        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
New Troubled Debt Restructuring, Post-modification Outstanding Ending Balance 2 2 3 5
Consumer | Home equity | Chapter 7 bankruptcy        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
New Troubled Debt Restructuring, Post-modification Outstanding Ending Balance 1 1 3 3
Consumer | Home equity | Other        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
New Troubled Debt Restructuring, Post-modification Outstanding Ending Balance $ 0 $ 0 $ 0 $ 0
Consumer | Residential Mortgage        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
New Troubled Debt Restructuring, Number of Contracts | contract 105 96 206 172
New Troubled Debt Restructuring, Post-modification Outstanding Ending Balance $ 14 $ 11 $ 25 $ 19
Consumer | Residential Mortgage | Interest rate reduction        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
New Troubled Debt Restructuring, Post-modification Outstanding Ending Balance 0 0 0 0
Consumer | Residential Mortgage | Amortization or maturity date change        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
New Troubled Debt Restructuring, Post-modification Outstanding Ending Balance 12 10 21 18
Consumer | Residential Mortgage | Chapter 7 bankruptcy        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
New Troubled Debt Restructuring, Post-modification Outstanding Ending Balance 2 1 4 1
Consumer | Residential Mortgage | Other        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
New Troubled Debt Restructuring, Post-modification Outstanding Ending Balance $ 0 $ 0 $ 0 $ 0
Consumer | RV and marine        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
New Troubled Debt Restructuring, Number of Contracts | contract 68 31 96 67
New Troubled Debt Restructuring, Post-modification Outstanding Ending Balance $ 3 $ 2 $ 4 $ 1
Consumer | RV and marine | Interest rate reduction        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
New Troubled Debt Restructuring, Post-modification Outstanding Ending Balance 0 0 0 0
Consumer | RV and marine | Amortization or maturity date change        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
New Troubled Debt Restructuring, Post-modification Outstanding Ending Balance 3 0 4 0
Consumer | RV and marine | Chapter 7 bankruptcy        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
New Troubled Debt Restructuring, Post-modification Outstanding Ending Balance 0 2 0 1
Consumer | RV and marine | Other        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
New Troubled Debt Restructuring, Post-modification Outstanding Ending Balance $ 0 $ 0 $ 0 $ 0
Consumer | Other Consumer        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
New Troubled Debt Restructuring, Number of Contracts | contract 142 343 391 587
New Troubled Debt Restructuring, Post-modification Outstanding Ending Balance $ 1 $ 2 $ 2 $ 3
Consumer | Other Consumer | Interest rate reduction        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
New Troubled Debt Restructuring, Post-modification Outstanding Ending Balance 1 2 2 3
Consumer | Other Consumer | Amortization or maturity date change        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
New Troubled Debt Restructuring, Post-modification Outstanding Ending Balance 0 0 0 0
Consumer | Other Consumer | Chapter 7 bankruptcy        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
New Troubled Debt Restructuring, Post-modification Outstanding Ending Balance 0 0 0 0
Consumer | Other Consumer | Other        
Financing Receivable, Troubled Debt Restructuring [Line Items]        
New Troubled Debt Restructuring, Post-modification Outstanding Ending Balance $ 0 $ 0 $ 0 $ 0