Available for sale Fixed Maturity and Perpetual Securities, Fair Value

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- Definition

Discounted Cash Flow Pricing Model, Assumptions, Magnitude of Movement

+ Details

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- Definition

Fair Value, Measurement Inputs, Disclosure [Line Items]

+ Details

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- Definition

Investments Reclassified Adoption New Accounting Guidance, Fair Value Disclosure

+ Details

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- Definition

Percentage of fair value of investments using Discounted Cash Flow pricing model

+ Details

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- Definition

Percentage of investments valued by obtaining quoted market prices from investment custodian

+ Details

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- Definition

This item represents the aggregate fair value of investments in debt securities as of the balance sheet date and which are categorized as held-to-maturity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 115
-Paragraph 19
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 Statement of Financial Accounting Standard (FAS)
-Number 115
-Paragraph 137
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27232-111563

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FAIR VALUE MEASUREMENTS - Additional Information (Detail) (USD $)	Jun. 30, 2011	Dec. 31, 2010	Jun. 30, 2011 Fair Value, Measurements, Recurring Level 2	Dec. 31, 2009 Fair Value, Measurements, Recurring Level 2	Jun. 30, 2011 Fair Value Based on Discounted Cash Flow Pricing Model	Jun. 30, 2011 Interest Rates	Jun. 30, 2011 Credit Spreads	Jun. 30, 2011 Interest Rate Volatility
Fair Value, Measurement Inputs, Disclosure [Line Items]
Percentage of investments valued by obtaining quoted market prices from investment custodian			45.00%
Percentage of fair value of investments using DCF pricing model			51.00%
Amount of Level 2 investments that were reclassified upon the adoption of new accounting guidance				$ 1,000,000,000
Magnitude of movement						0.50%	0.50%	50.00%
Fair values of available-for-sale fixed maturity and perpetual securities valued by our DCF pricing model					20,300,000,000
Securities held to maturity, Fixed maturities, fair value	$ 31,982,000,000	$ 30,469,000,000			$ 27,200,000,000