Closed Block (Details Textuals) (USD $) In Millions	Sep. 30, 2011	Dec. 31, 2010
Closed Block (Textuals) [Abstract]
Amortized cost on fixed maturity securities available-for-sale, at estimated fair value	$ 26,966	$ 27,067
Cost of equity securities available-for-sale, at estimated fair value	42	110
Income tax on unrealized investment gains (losses)	1,249	594
Income tax on unrealized gains (losses) on derivative instruments	7	5
Income tax on unrealized gains (losses) allocated to the policyholder dividend obligation	$ (974)	$ (307)

Closed block, cost of equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments for other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

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- Definition

Closed Block Income Tax On Unrealized Gains Losses Allocated To The Closed Block Policyholder Dividend Obligation.

+ Details

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- Definition

Closed Block Income Tax On Unrealized Gains Losses On Derivative Instruments.

+ Details

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- Definition

Closed Block Income Tax On Unrealized Investment Gains Losses.

+ Details

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- Definition

Closed Block Textuals Abstract.

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- Definition

The amortized cost as of the balance sheet date of those fixed maturity investments designated as available for sale and reported at fair value which are allocated to the closed block. Also a component of change in other comprehensive income in the period, which is reflected in the closed block disclosure.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 805

-Section 50

-Paragraph 3

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6487222&loc=d3e30806-158569

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

-Publisher AICPA

-Name Statement of Position (SOP)

-Number 00-3

-Paragraph 25

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Statement of Position (SOP)

-Number 00-3

-Section Appendix A

-Paragraph 78

-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 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 805

-Section 55

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=6588659&loc=d3e31071-158570

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