LOANS AND LEASES AND ALLOWANCE FOR CREDIT LOSSES - TDRs (Details)
|
12 Months Ended |
|
Dec. 31, 2017
USD ($)
contract
|
Dec. 31, 2016
USD ($)
contract
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Number of Contracts | contract |
6,745,000,000
|
5,053,000,000
|
| Post-modification Outstanding Balance (2) |
$ 853,000,000
|
$ 678,000,000
|
| Financial effects of modification |
$ (13,000,000)
|
$ 12,000,000
|
| Commercial Portfolio Segment [Member] | Interest rate reduction |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Number of Contracts |
9,000,000
|
4,000,000
|
| Post-modification Outstanding Balance (2) |
$ 1,000,000
|
$ 0
|
| Financial effects of modification |
0
|
$ 0
|
| Commercial Portfolio Segment [Member] | Amortization or maturity date change |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Number of Contracts | contract |
|
872,000,000
|
| Post-modification Outstanding Balance (2) |
600,000,000
|
$ 490,000,000
|
| Financial effects of modification |
$ (9,000,000)
|
$ 9,000,000
|
| Commercial Portfolio Segment [Member] | Other |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Number of Contracts | contract |
4,000,000
|
20,000,000
|
| Post-modification Outstanding Balance (2) |
$ 0
|
$ 3,000,000
|
| Financial effects of modification |
$ 0
|
$ 0
|
| Commercial Portfolio Segment [Member] | Commercial and Industrial |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Number of Contracts | contract |
1,047,000,000
|
896,000,000
|
| Post-modification Outstanding Balance (2) |
$ 601,000,000
|
$ 493,000,000
|
| Financial effects of modification |
$ (9,000,000)
|
$ 9,000,000
|
| Commercial Portfolio Segment [Member] | Commercial and Industrial | Amortization or maturity date change |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Number of Contracts | contract |
1,034,000,000
|
|
| Commercial Portfolio Segment [Member] | Commercial Real Estate |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Number of Contracts | contract |
111,000,000
|
117,000,000
|
| Post-modification Outstanding Balance (2) |
$ 122,000,000
|
$ 69,000,000
|
| Financial effects of modification |
$ (1,000,000)
|
$ 2,000,000
|
| Commercial Portfolio Segment [Member] | Commercial Real Estate | Interest rate reduction |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Number of Contracts | contract |
3,000,000
|
2,000,000
|
| Post-modification Outstanding Balance (2) |
$ 0
|
$ 0
|
| Financial effects of modification |
$ 0
|
$ 0
|
| Commercial Portfolio Segment [Member] | Commercial Real Estate | Amortization or maturity date change |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Number of Contracts | contract |
106,000,000
|
111,000,000
|
| Post-modification Outstanding Balance (2) |
$ 122,000,000
|
$ 69,000,000
|
| Financial effects of modification |
$ (1,000,000)
|
$ 2,000,000
|
| Commercial Portfolio Segment [Member] | Commercial Real Estate | Other |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Number of Contracts | contract |
2,000,000
|
4,000,000
|
| Post-modification Outstanding Balance (2) |
$ 0
|
$ 0
|
| Financial effects of modification |
$ 0
|
$ 0
|
| Consumer | Automobile |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Number of Contracts | contract |
2,741,000,000
|
2,669,000,000
|
| Post-modification Outstanding Balance (2) |
$ 23,000,000
|
$ 23,000,000
|
| Financial effects of modification |
$ (1,000,000)
|
$ (1,000,000)
|
| Consumer | Automobile | Interest rate reduction |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Number of Contracts | contract |
31,000,000
|
17,000,000
|
| Post-modification Outstanding Balance (2) |
$ 0
|
$ 0
|
| Financial effects of modification |
$ 0
|
$ 0
|
| Consumer | Automobile | Amortization or maturity date change |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Number of Contracts | contract |
1,727,000,000
|
1,593,000,000
|
| Post-modification Outstanding Balance (2) |
$ 15,000,000
|
$ 15,000,000
|
| Financial effects of modification |
$ (1,000,000)
|
$ (1,000,000)
|
| Consumer | Automobile | Chapter 7 bankruptcy |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Number of Contracts | contract |
983,000,000
|
1,059,000,000
|
| Post-modification Outstanding Balance (2) |
$ 8,000,000
|
$ 8,000,000
|
| Financial effects of modification |
$ 0
|
$ 0
|
| Consumer | Automobile | Other |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Number of Contracts | contract |
0
|
0
|
| Post-modification Outstanding Balance (2) |
$ 0
|
$ 0
|
| Financial effects of modification |
$ 0
|
$ 0
|
| Consumer | Home Equity |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Number of Contracts | contract |
922,000,000
|
915,000,000
|
| Post-modification Outstanding Balance (2) |
$ 50,000,000
|
$ 45,000,000
|
| Financial effects of modification |
$ (2,000,000)
|
$ 0
|
| Consumer | Home Equity | Interest rate reduction |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Number of Contracts | contract |
36,000,000
|
55,000,000
|
| Post-modification Outstanding Balance (2) |
$ 2,000,000
|
$ 3,000,000
|
| Financial effects of modification |
$ 0
|
$ 0
|
| Consumer | Home Equity | Amortization or maturity date change |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Number of Contracts | contract |
517,000,000
|
578,000,000
|
| Post-modification Outstanding Balance (2) |
$ 33,000,000
|
$ 32,000,000
|
| Financial effects of modification |
$ (4,000,000)
|
$ (4,000,000)
|
| Consumer | Home Equity | Chapter 7 bankruptcy |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Number of Contracts | contract |
299,000,000
|
282,000,000
|
| Post-modification Outstanding Balance (2) |
$ 11,000,000
|
$ 10,000,000
|
| Financial effects of modification |
$ (2,000,000)
|
$ (4,000,000)
|
| Consumer | Home Equity | Other |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Number of Contracts | contract |
70,000,000
|
0
|
| Post-modification Outstanding Balance (2) |
$ 4,000,000
|
$ 0
|
| Financial effects of modification |
$ 0
|
$ 0
|
| Consumer | Residential Mortgage |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Number of Contracts | contract |
453,000,000
|
442,000,000
|
| Post-modification Outstanding Balance (2) |
$ 49,000,000
|
$ 47,000,000
|
| Financial effects of modification |
$ (2,000,000)
|
$ (2,000,000)
|
| Consumer | Residential Mortgage | Interest rate reduction |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Number of Contracts | contract |
3,000,000
|
13,000,000
|
| Post-modification Outstanding Balance (2) |
$ 0
|
$ 1,000,000
|
| Financial effects of modification |
$ 0
|
$ 0
|
| Consumer | Residential Mortgage | Amortization or maturity date change |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Number of Contracts | contract |
349,000,000
|
363,000,000
|
| Post-modification Outstanding Balance (2) |
$ 40,000,000
|
$ 39,000,000
|
| Financial effects of modification |
$ (2,000,000)
|
$ (2,000,000)
|
| Consumer | Residential Mortgage | Chapter 7 bankruptcy |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Number of Contracts | contract |
79,000,000
|
62,000,000
|
| Post-modification Outstanding Balance (2) |
$ 7,000,000
|
$ 6,000,000
|
| Financial effects of modification |
$ 0
|
$ 0
|
| Consumer | Residential Mortgage | Other |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Number of Contracts | contract |
22,000,000
|
4,000,000
|
| Post-modification Outstanding Balance (2) |
$ 2,000,000
|
$ 1,000,000
|
| Financial effects of modification |
$ 0
|
$ 0
|
| Consumer | RV and marine finance |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Number of Contracts | contract |
131,000,000
|
0
|
| Post-modification Outstanding Balance (2) |
$ 2,000,000
|
$ 0
|
| Financial effects of modification |
$ 0
|
$ 0
|
| Consumer | RV and marine finance | Interest rate reduction |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Number of Contracts | contract |
1,000,000
|
0
|
| Post-modification Outstanding Balance (2) |
$ 0
|
$ 0
|
| Financial effects of modification |
$ 0
|
$ 0
|
| Consumer | RV and marine finance | Amortization or maturity date change |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Number of Contracts | contract |
42,000,000
|
0
|
| Post-modification Outstanding Balance (2) |
$ 1,000,000
|
$ 0
|
| Financial effects of modification |
$ 0
|
$ 0
|
| Consumer | RV and marine finance | Chapter 7 bankruptcy |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Number of Contracts | contract |
88,000,000
|
0
|
| Post-modification Outstanding Balance (2) |
$ 1,000,000
|
$ 0
|
| Financial effects of modification |
$ 0
|
$ 0
|
| Consumer | RV and marine finance | Other |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Number of Contracts | contract |
0
|
0
|
| Post-modification Outstanding Balance (2) |
$ 0
|
$ 0
|
| Financial effects of modification |
$ 0
|
$ 0
|
| Consumer | Consumer |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Number of Contracts | contract |
1,340,000,000
|
14,000,000
|
| Post-modification Outstanding Balance (2) |
$ 6,000,000
|
$ 1,000,000
|
| Financial effects of modification |
$ 0
|
$ 0
|
| Consumer | Consumer | Interest rate reduction |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Number of Contracts | contract |
19,000,000
|
0
|
| Post-modification Outstanding Balance (2) |
$ 0
|
$ 0
|
| Financial effects of modification |
$ 0
|
$ 0
|
| Consumer | Consumer | Amortization or maturity date change |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Number of Contracts | contract |
1,312,000,000
|
6,000,000
|
| Post-modification Outstanding Balance (2) |
$ 6,000,000
|
$ 1,000,000
|
| Financial effects of modification |
$ 0
|
$ 0
|
| Consumer | Consumer | Chapter 7 bankruptcy |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Number of Contracts | contract |
9,000,000
|
8,000,000
|
| Post-modification Outstanding Balance (2) |
$ 0
|
$ 0
|
| Financial effects of modification |
$ 0
|
$ 0
|
| Consumer | Consumer | Other |
|
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] |
|
|
| Number of Contracts | contract |
0
|
0
|
| Post-modification Outstanding Balance (2) |
$ 0
|
$ 0
|
| Financial effects of modification |
$ 0
|
$ 0
|