Schedule IV - Schedule of Reinsurance Level 4 (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Life Insurance in Force, Net [Abstract]
Direct Premiums, Life Insurance in Force	$ 327,772us-gaap_LifeInsuranceInForceGross	$ 318,652us-gaap_LifeInsuranceInForceGross	$ 355,164us-gaap_LifeInsuranceInForceGross
Ceded Premiums Earned	255,185us-gaap_LifeInsuranceInForceCeded	241,684us-gaap_LifeInsuranceInForceCeded	151,982us-gaap_LifeInsuranceInForceCeded
Assumed Premiums, Life Insurance in Force	797us-gaap_LifeInsuranceInForceAssumed	815us-gaap_LifeInsuranceInForceAssumed	781us-gaap_LifeInsuranceInForceAssumed
Premiums, Net, Life Insurance in Force	73,384us-gaap_LifeInsuranceInForceNet	77,783us-gaap_LifeInsuranceInForceNet	203,963us-gaap_LifeInsuranceInForceNet
Life Insurance in Force Premiums, Percentage Assumed to Net	1.00%	1.00%	0.00%
Insurance Services Revenue [Abstract]
Direct Premiums Earned	3,228us-gaap_DirectPremiumsEarned	3,502us-gaap_DirectPremiumsEarned	3,739us-gaap_DirectPremiumsEarned
Ceded Premiums Earned	2,060us-gaap_CededPremiumsEarned	1,869us-gaap_CededPremiumsEarned	698us-gaap_CededPremiumsEarned
Assumed Premiums Earned	74us-gaap_AssumedPremiumsEarned	13us-gaap_AssumedPremiumsEarned	8us-gaap_AssumedPremiumsEarned
Premiums Earned, Net, Life	1,242us-gaap_PremiumsEarnedNetLife	1,646us-gaap_PremiumsEarnedNetLife	3,049us-gaap_PremiumsEarnedNetLife
Premiums Earned, Net	32us-gaap_PremiumsEarnedNet	184us-gaap_PremiumsEarnedNet	93us-gaap_PremiumsEarnedNet
Premiums, Percentage Assumed to Net	5.00%us-gaap_PremiumsPercentageAssumedToNet	1.00%us-gaap_PremiumsPercentageAssumedToNet	0.00%us-gaap_PremiumsPercentageAssumedToNet
Accident and Health Insurance Product Line [Member]
Insurance Services Revenue [Abstract]
Direct Premiums Earned	249	264	298
Ceded Premiums Earned	369	155	181
Assumed Premiums Earned	0	0	0
Premiums Earned, Net	(120)	109	117
Premiums, Percentage Assumed to Net	0.00%	0.00%	0.00%
Life and Annuity Insurance Product Line [Member]
Insurance Services Revenue [Abstract]
Direct Premiums Earned	2,979	3,238	3,441
Ceded Premiums Earned	1,691	1,714	517
Assumed Premiums Earned	74	13	8
Premiums Earned, Net	$ 1,362	$ 1,537	$ 2,932
Premiums, Percentage Assumed to Net	5.00%	1.00%	0.00%

Amount of earned premiums assumed from other entities.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 17

-Article 12

Reference 2: http://www.xbrl.org/2003/role/presentationRef

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

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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Amount of life insurance issued and outstanding assumed from other entities. Includes, but not limited to, dividends and adjustments to face value.

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Amount before contracts ceded to other entities and contracts assumed by the entity of life insurance issued and outstanding. Includes, but not limited to, dividends and adjustments to face value.

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Amount after contracts ceded to other entities and contracts assumed by the entity of life insurance issued and outstanding. Includes, but not limited to, dividends and adjustments to face value.

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Percentage of assumed life insurance issued and outstanding contracts to life insurance issued and outstanding after contracts ceded to other entities and contracts assumed by the entity. Includes, but not limited to, dividends and adjustments to face value.

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

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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

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