Consolidated Statements of Operations and Comprehensive Income (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Revenues
Premiums	$ 283us-gaap_PremiumsEarnedNet	$ 178us-gaap_PremiumsEarnedNet
Universal life and investment-type product policy fees	718us-gaap_InsuranceCommissionsAndFees	805us-gaap_InsuranceCommissionsAndFees
Net investment income	635us-gaap_NetInvestmentIncome	735us-gaap_NetInvestmentIncome
Other revenues	120us-gaap_OtherIncome	142us-gaap_OtherIncome
Net investment gains (losses):
Other-than-temporary impairments on fixed maturity securities	(2)	(1)
Other-than-temporary impairments on fixed maturity securities transferred to other comprehensive income (loss)	(1)	0
Other net investment gains (losses)	45	(505)
Total net investment gains (losses)	42us-gaap_GainLossOnInvestments	(506)us-gaap_GainLossOnInvestments
Net derivative gains (losses)	85	(150)
Total revenues	1,883us-gaap_Revenues	1,204us-gaap_Revenues
Expenses
Policyholder benefits and claims	592	568
Interest credited to policyholder account balances	257	269
Other expenses	647us-gaap_OperatingExpenses	677us-gaap_OperatingExpenses
Total expenses	1,496us-gaap_BenefitsLossesAndExpenses	1,514us-gaap_BenefitsLossesAndExpenses
Income (loss) before provision for income tax	387	(310)
Provision for income tax expense (benefit)	103us-gaap_IncomeTaxExpenseBenefit	(111)us-gaap_IncomeTaxExpenseBenefit
Net income (loss)	284	(199)
Comprehensive income (loss)	$ 578us-gaap_ComprehensiveIncomeNetOfTax	$ 483us-gaap_ComprehensiveIncomeNetOfTax

The total amount of expense recognized during the period for future policy benefits, claims and claims adjustment costs, and for selling, general and administrative costs.

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects.

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This item represents the net total realized and unrealized gain (loss) included in earnings for the period as a result of selling or holding marketable securities categorized as trading, available-for-sale, or held-to-maturity, including the unrealized holding gain (loss) of held-to-maturity securities transferred to the trading security category and the cumulative unrealized gain (loss) which was included in other comprehensive income (a separate component of shareholders' equity) for available-for-sale securities transferred to trading securities during the period. Additionally, this item would include any gains (losses) realized during the period from the sale of investments accounted for under the cost method of accounting and losses recognized for other than temporary impairments (OTTI) of the subject investments.

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The difference between the book value and the sale price of other nonspecific investments. This element is used when other, more specific, elements are not appropriate. This element refers to the gain (loss) included in earnings.

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This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investments, but before income taxes, extraordinary items, and noncontrolling interest.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Income from agency and brokerage operations (includes sales of annuities and supplemental contracts); service charges, commissions, and fees from the sale of insurance and related services; and management fees from separate accounts, deferred annuities, and universal life products.

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Interest allocated to policyholders holding contracts under which the insurer must provide a guaranteed yield.

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Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period).

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Amount, after investment expense, of income earned from investments in securities and real estate. Includes, but is not limited to, real estate investment, policy loans, dividends, and interest. Excludes realized gain (loss) on investments.

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Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense.

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No definition available.

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Reflects the sum of all other revenue and income recognized by the entity in the period not otherwise specified in the income statement.

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Amount before tax of other than temporary impairment (OTTI) on investment in available-for-sale debt security, recognized in other comprehensive loss.

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The amount of other than temporary impairment losses on investments in debt and equity securities categorized as Available-for-sale which have been recognized in earnings during the period. Such impairment losses consist of other than temporary impairments (OTTI) on equity securities, credit losses on investments in debt securities, and when the entity intends to sell an impaired debt security or it is more likely than not that the entity will be required to sell the impaired debt security before recovery of its amortized cost basis.

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Amount, after effects of policies assumed or ceded, of expense related to the provision for policy benefits and costs incurred.

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Amount, after premiums ceded to other entities and premiums assumed by the entity, of premiums earned.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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