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LOANS AND LEASES - Troubled Debt Restructurings (Detail) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 USD ($) Contract | Jun. 30, 2018 USD ($) Contract | Jun. 30, 2019 USD ($) Contract | Jun. 30, 2018 USD ($) Contract
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Contracts | Contract | 41 | 229 | 81 | 447
Pre- Modification Outstanding Recorded Investment | $ 8 | $ 4 | $ 11 | $ 8
Post- Modification Outstanding Recorded Investment | $ 8 | $ 4 | $ 10 | $ 6
Commercial Real Estate [Member] |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Contracts | Contract | 11 | 1 | 12 | 1
Pre- Modification Outstanding Recorded Investment | $ 3 | $ 0 | $ 4 | $ 0
Post- Modification Outstanding Recorded Investment | $ 4 | $ 0 | $ 4 | $ 0
Commercial and Industrial [Member] |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Contracts | Contract | 2 | 13 | 13 | 13
Pre- Modification Outstanding Recorded Investment | $ 4 | $ 1 | $ 5 | $ 3
Post- Modification Outstanding Recorded Investment | $ 3 | $ 1 | $ 4 | $ 2
Total Commercial Loans and Leases [Member] |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Contracts | Contract | 13 | 14 | 25 | 14
Pre- Modification Outstanding Recorded Investment | $ 7 | $ 1 | $ 9 | $ 3
Post- Modification Outstanding Recorded Investment | $ 7 | $ 1 | $ 8 | $ 2
Direct Installment [Member] |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Contracts | Contract | 14 | 178 | 32 | 357
Pre- Modification Outstanding Recorded Investment | $ 1 | $ 2 | $ 1 | $ 3
Post- Modification Outstanding Recorded Investment | $ 1 | $ 2 | $ 1 | $ 3
Residential Mortgages [Member] |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Contracts | Contract | 7 | 8 | 10 | 19
Pre- Modification Outstanding Recorded Investment | $ 0 | $ 0 | $ 1 | $ 1
Post- Modification Outstanding Recorded Investment | $ 0 | $ 0 | $ 1 | $ 1
Indirect Installment [Member] |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Contracts | Contract |  | 7 |  | 16
Pre- Modification Outstanding Recorded Investment |  | $ 0 |  | $ 0
Post- Modification Outstanding Recorded Investment |  | $ 0 |  | $ 0
Consumer Lines of Credit [Member] |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Contracts | Contract | 7 | 22 | 14 | 41
Pre- Modification Outstanding Recorded Investment | $ 0 | $ 1 | $ 0 | $ 1
Post- Modification Outstanding Recorded Investment | $ 0 | $ 1 | $ 0 | $ 0
Consumer Loan [Member] |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Contracts | Contract | 28 | 215 | 56 | 433
Pre- Modification Outstanding Recorded Investment | $ 1 | $ 3 | $ 2 | $ 5
Post- Modification Outstanding Recorded Investment | $ 1 | $ 3 | $ 2 | $ 4

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