INCOME TAXES - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions |
Dec. 31, 2018 |
Dec. 31, 2017 |
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| Deferred Tax Assets, Gross [Abstract] | ||
| Allowances for credit losses | $ 184 | $ 162 |
| Tax credit carryforward | 173 | 142 |
| Fair value adjustments | 95 | 108 |
| Net operating and other loss carryforward | 16 | 17 |
| Market discount | 5 | 7 |
| Pension and other employee benefits | 6 | 10 |
| Partnership investments | 14 | 0 |
| Purchase accounting adjustments | 0 | 153 |
| Other assets | 6 | 6 |
| Total deferred tax assets | 499 | 605 |
| Deferred tax liabilities: | ||
| Lease financing | 262 | 249 |
| Deferred dividend income | 148 | 116 |
| Deferred dividend income | 0 | 77 |
| Purchase accounting adjustments | 45 | 39 |
| Operating assets | 69 | 53 |
| Mortgage servicing rights | 6 | 6 |
| Securities adjustments | 25 | 68 |
| Pension and other employee benefits | 0 | 5 |
| Other liabilities | 2 | 18 |
| Total deferred tax liabilities | 557 | 631 |
| Net deferred tax (liability) asset before valuation allowance | (58) | (26) |
| Valuation allowance | (6) | (6) |
| Total deferred tax liabilities | $ (64) | $ (32) |
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- Definition The tax effect as of the balance sheet date of the amount of the estimated future tax effects, before any related valuation allowance, arising from unrealized losses or reversals of income on certain investments in debt and equity securities, which can only be deducted for tax purposes when the losses or reversals of income are realized No definition available.
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- Definition For entities that net deferred tax assets and tax liabilities, represents the unclassified net amount of deferred tax assets and liabilities as of the balance sheet date, which result from applying the applicable enacted tax rate to net temporary differences and carryforwards pertaining to assets or liabilities. A temporary difference is a difference between the tax basis of an asset or liability and its carrying amount in the financial statements prepared in accordance with generally accepted accounting principles that will reverse in ensuing periods This is the net deferred tax asset or liability before valuation allowance against deferred tax assets. No definition available.
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- Definition Deferred Tax Assets, Pension and Other Employee Incentives No definition available.
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- Definition The amount as of the balance sheet date of the estimated future tax effects attributable to the difference between the tax basis of pension and employee benefit liabilities funded in advance and the basis of a prepaid pension asset and employee benefits determined in accordance with generally accepted accounting principles. The difference in basis of such costs will increase future taxable income when such basis difference reverses. No definition available.
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- Definition The tax effect as of the balance sheet date of the amount of the estimated future tax effects attributable to the difference between the tax basis of acquired assets and the basis of acquired assets computed in accordance with generally accepted accounting principles. The difference in basis is attributable to different capitalization of costs or amortization methodologies, which will increase future taxable income when such basis difference is realized. No definition available.
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- Definition Deferred tax asset market discount on purchased credit impaired loans No definition available.
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- Definition Amount of deferred tax liability attributable to taxable temporary differences. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from investments (excludes investments in subsidiaries and equity method investments). No definition available.
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- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible tax carryforwards, classified as other. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible tax credit carryforwards, classified as other. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from accrued liabilities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from the provision for loan losses. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from financing arrangements. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from leasing arrangements. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from mortgage servicing rights. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences classified as other. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from tax deferred revenue or income classified as other. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from unrealized gains on trading securities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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