DAC, VOBA, DSI, and DFEL (DSI) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Changes in DSI [Roll Forward]
Balance as of beginning-of-year	$ 253	$ 271	$ 286
Deferrals	10	39	39
Amortization, net of interest:
Amortization, excluding unlocking, net of interest	(43)	(46)	(38)
Unlocking	8	14	(2)
Adjustment related to realized (gains) losses	(1)	(8)	(1)
Adjustment related to unrealized (gains) losses	40	(17)	(13)
Balance as of end-of-year	$ 267	$ 253	$ 271

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Amount of amortization of deferred sales inducement costs attributable to realized investment gains (losses).

+ References

No definition available.

+ Details

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- Definition

Amount of amortization of deferred sales inducement costs attributable to unrealized investment gains (losses).

+ References

No definition available.

+ Details

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- Definition

The amount of adjustment to amortization of deferred sales inducement costs arising from a revision in estimated gross profit (when such amount serves as the basis for allocating amortization of DSI to reporting periods).

+ References

No definition available.

+ Details

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- Definition

The amount of other amortization of deferred sales inducement costs, net of interest, during the period.

+ References

No definition available.

+ Details

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- Definition

The amount of deferred sales inducement costs capitalized during the period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 30

-Section 50

-Paragraph 3

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6481800&loc=d3e11332-158416

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

-Publisher AICPA

-Name Statement of Position (SOP)

-Number 03-1

-Paragraph 39

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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- Definition

The unamortized carrying amount of deferred sales inducement costs as of the balance sheet date.

+ References

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

-Publisher AICPA

-Name Statement of Position (SOP)

-Number 03-1

-Paragraph 39

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 30

-Section 50

-Paragraph 3

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6481800&loc=d3e11332-158416

+ Details

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