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Derivative Instruments (Gains (Losses) On Derivative Instruments Recorded Within Income (Loss) From Continuing Operations) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 | Sep. 30, 2018
Gains (losses) |  |  |
Gains (losses) |  | $ (158) | $ (300)
Designated as Hedging Instrument [Member] | Cash Flow Hedges [Member] |  |  |
Gains (losses) |  |  |
Gains (losses) |  | 4 | 15
Designated as Hedging Instrument [Member] | Fair Value Hedges [Member] |  |  |
Gains (losses) |  |  |
Gains (losses) |  | 20 | 64
Designated as Hedging Instrument [Member] | Net Investment Income [Member] | Cash Flow Hedges [Member] | Interest Rate Contracts [Member] |  |  |
Gains (losses) |  |  |
Gains (losses) | [1] | 1 | 3
Designated as Hedging Instrument [Member] | Net Investment Income [Member] | Cash Flow Hedges [Member] | Foreign currency contracts [Member] |  |  |
Gains (losses) |  |  |
Gains (losses) | [1] | 7 | 18
Designated as Hedging Instrument [Member] | Net Investment Income [Member] | Fair Value Hedges [Member] | Interest Rate Contracts [Member] |  |  |
Gains (losses) |  |  |
Gains (losses) | [1] | (2) | (11)
Designated as Hedging Instrument [Member] | Interest and Debt Expense [Member] | Cash Flow Hedges [Member] | Interest Rate Contracts [Member] |  |  |
Gains (losses) |  |  |
Gains (losses) | [2] | (4) | (6)
Designated as Hedging Instrument [Member] | Interest and Debt Expense [Member] | Fair Value Hedges [Member] | Interest Rate Contracts [Member] |  |  |
Gains (losses) |  |  |
Gains (losses) | [2] | 5 | 11
Designated as Hedging Instrument [Member] | Realized Gain (Loss) [Member] | Fair Value Hedges [Member] | Interest Rate Contracts [Member] |  |  |
Gains (losses) |  |  |
Gains (losses) | [3] | 17 | 64
Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments [Member] | Realized Gain (Loss) [Member] | Interest Rate Contracts [Member] |  |  |
Gains (losses) |  |  |
Gains (losses) | [3] | (167) | (577)
Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments [Member] | Realized Gain (Loss) [Member] | Foreign currency contracts [Member] |  |  |
Gains (losses) |  |  |
Gains (losses) | [3] |  | 2
Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments [Member] | Realized Gain (Loss) [Member] | Equity market contracts [Member] |  |  |
Gains (losses) |  |  |
Gains (losses) | [3] | (199) | (280)
Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments [Member] | Realized Gain (Loss) [Member] | GLB Embedded Derivatives [Member] |  |  |
Gains (losses) |  |  |
Gains (losses) | [3] | 333 | 603
Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments [Member] | Realized Gain (Loss) [Member] | Embedded derivatives - Reinsurance related [Member] |  |  |
Gains (losses) |  |  |
Gains (losses) | [3] | 5 | 37
Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments [Member] | Realized Gain (Loss) [Member] | Indexed Annuity And IUL Contracts [Member] |  |  |
Gains (losses) |  |  |
Gains (losses) | [3] | (164) | (175)
Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments [Member] | Commissions and other expenses [Member] | Equity market contracts [Member] |  |  |
Gains (losses) |  |  |
Gains (losses) | [4] | $ 10 | $ 11
[1] | Reported in net investment income on our Consolidated Statements of Comprehensive Income (Loss).
[2] | Reported in interest and debt expense on our Consolidated Statements of Comprehensive Income (Loss).
[3] | Reported in realized gain (loss) on our Consolidated Statements of Comprehensive Income (Loss).
[4] | Reported in commissions and other expenses on our Consolidated Statements of Comprehensive Income (Loss).

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- References No definition available. + Details
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- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959 + Details
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