Income Taxes (Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Millions |
Dec. 31, 2017 |
Dec. 31, 2016 |
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| Deferred tax assets: | ||
| Insurance reserves | $ 821 | $ 1,856 |
| Policyholders’ dividends | 1,262 | 1,849 |
| Net operating and capital loss carryforwards | 281 | 190 |
| Employee benefits | 635 | 789 |
| Investments | 862 | 1,166 |
| Deferred tax assets before valuation allowance | 3,861 | 5,850 |
| Valuation allowance | (214) | (163) |
| Deferred tax assets after valuation allowance | 3,647 | 5,687 |
| Deferred tax liabilities: | ||
| Net unrealized investment gains | 9,062 | 10,551 |
| Deferred policy acquisition costs | 3,625 | 4,443 |
| Unremitted foreign earnings | 119 | 380 |
| Value of business acquired | 414 | 715 |
| Other | 41 | 393 |
| Deferred tax liabilities | 13,261 | 16,482 |
| Net deferred tax liability | $ (9,614) | $ (10,795) |
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- References No definition available.
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- Definition Net operating and capital loss carryforwards No definition available.
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- Definition Policyholder Dividends No definition available.
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- Definition Unremitted Foreign Earnings No definition available.
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from value of business acquired No definition available.
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- Definition Amount of deferred tax liability attributable to taxable temporary differences. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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://www.xbrl.org/2003/role/presentationRef
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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 after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences from employee benefits, classified as other. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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://www.xbrl.org/2003/role/presentationRef
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- Definition Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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- Definition The amount as of the balance sheet date of the estimated future tax effects attributable to policy acquisition costs being expensed for tax purposes but capitalized in conformity with generally accepted accounting principles, which will reverse in future periods when amortization of such capitalized costs cannot be deducted for tax purposes. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences classified as other. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from unrealized gains on trading securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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