OTHER COMPREHENSIVE INCOME - Reclassifications (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
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| Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] | |||
| Interest income—held-to-maturity securities—taxable | $ 218 | $ 211 | $ 193 |
| Debt and Equity Securities, Gain (Loss) | (24) | (21) | 0 |
| Noninterest income—net gains (losses) on sale of securities, OTTI | 0 | 0 | (4) |
| Interest income - loans and leases | 3,541 | 3,305 | 2,838 |
| Noninterest income - other income | 183 | 163 | 171 |
| Noninterest income | 1,654 | 1,559 | $ 1,524 |
| Net of tax | (16) | (36) | |
| Change in fair value related to cash flow hedges | |||
| Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] | |||
| Net of tax | 0 | 0 | |
| Unrealized gains (losses) for pension and other post-retirement obligations | |||
| Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] | |||
| Net of tax | $ 5 | $ (4) | |
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- Definition Amount of unrealized and realized gain (loss) on investment in debt and equity securities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of operating interest income, including amortization and accretion of premiums and discounts, on held-to-maturity securities. No definition available.
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- Definition The aggregate interest and fee income generated by: (1) loans the Entity has positive intent and ability to hold for the foreseeable future, or until maturity or payoff, including commercial and consumer loans, whether domestic or foreign, which may consist of: (a) industrial and agricultural; (b) real estate; and (c) real estate construction loans; (d) trade financing; (e) lease financing; (f) home equity lines-of-credit; (g) automobile and other vehicle loans; and (h) credit card and other revolving-type loans and (2) loans and leases held-for-sale which may include mortgage loans, direct financing, and sales-type leases. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of revenue earned, classified as other, excluding interest income. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The amount of other than temporary impairment (OTTI) losses on equity securities, OTTI related to credit losses on debt securities, and OTTI losses on debt securities when the entity intends to sell the securities or it is more likely than not that the entity will be required to sell the securities before recovery of its amortized cost basis. Additionally, this item includes OTTI losses recognized during the period on investments accounted for under the cost method of accounting. No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount after tax of reclassification adjustments of other comprehensive income (loss) attributable to parent. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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