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Derivatives (Details 1) - Not Designated as Hedging Instrument [Member] - USD ($) $ in Millions | 3 Months Ended
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Mar. 31, 2016 | Mar. 31, 2015
Derivative, Gain (Loss) on Derivative, Net [Abstract] |  |
Derivative | $ (61) | $ (32)
MBS with embedded derivatives [Member] | Realized gains on securities [Member] |  |
Derivative, Gain (Loss) on Derivative, Net [Abstract] |  |
Derivative | 1 | (2)
Public company warrants [Member] | Realized gains on securities [Member] |  |
Derivative, Gain (Loss) on Derivative, Net [Abstract] |  |
Derivative | (2) | 0
Fixed-indexed annuities (embedded derivative) [Member] | Annuity benefits [Member] |  |
Derivative, Gain (Loss) on Derivative, Net [Abstract] |  |
Derivative | (17) | (50)
Equity index call options [Member] | Annuity benefits [Member] |  |
Derivative, Gain (Loss) on Derivative, Net [Abstract] |  |
Derivative | (40) | 20
Reinsurance contracts (embedded derivative) [Member] | Net investment income [Member] |  |
Derivative, Gain (Loss) on Derivative, Net [Abstract] |  |
Derivative | $ (3) | $ 0

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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/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5618551-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (a),(c),(d),(e) -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624171-113959 + Details
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- References No definition available. + Details
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