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This element represents free-standing derivative assets, measured at fair value on a recurring basis.

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This item represents the amount of the total realized and unrealized gains or losses for the period which are included in the statement of income (or changes in net assets) in interest credited to contract holders funds; the fair value of which assets was or is measured on a recurring basis using significant unobservable inputs (Level 3).

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This element represents free-standing derivative liabilities, measured at fair value.

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This item represents the amount of the total realized and unrealized gains or losses for the period which are included in the statement of income (or changes in assets) in life and annuity contract benefits; the fair value of which assets was or is measured on a recurring basis using significant unobservable inputs (Level 3).

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Purchases that have taken place during the period in relation to assets measured at fair value and categorized within Level 3 of the fair value hierarchy.

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Sales that have taken place during the period in relation to assets measured at fair value and categorized within Level 3 of the fair value hierarchy.

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Settlements that have taken place during the period in relation to assets measured at fair value and categorized within Level 3 of the fair value hierarchy.

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This element represents transfers into assets measured at fair value on a recurring basis using unobservable inputs (Level 3) which have taken place during the period.

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This element represents transfers out of assets measured at fair value on a recurring basis using unobservable inputs (Level 3) which have taken place during the period.

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This item represents the amount of the total realized and unrealized gains or losses for the period which are included in the statement of income (or changes in net assets) in investment income; the fair value of which assets was or is measured on a recurring basis using significant unobservable inputs (Level 3).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 157
-Paragraph 32
-Subparagraph c(1)

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This item represents the amount of the total realized and unrealized gains or losses for the period which are included in the statement of income (or changes in net assets) in trading revenues; the fair value of which assets was or is measured on a recurring basis using significant unobservable inputs (Level 3).

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 157
-Paragraph 32
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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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This element represents total gains or losses for the period (realized and unrealized), arising from assets measured at fair value on a recurring basis using unobservable inputs (Level 3), which are included in earnings or resulted in a change in net asset value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 157
-Paragraph 32
-Subparagraph c(1)

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This element represents total gains or losses for the period (realized and unrealized), arising from assets measured at fair value on a recurring basis using unobservable inputs (Level 3), which are included in other comprehensive income (a separate component of shareholders' equity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 157
-Paragraph 32
-Subparagraph c(1)

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This element represents purchases, sales, issuances, and settlements (net) which have taken place during the period in relation to assets measured at fair value on a recurring basis using unobservable inputs (Level 3).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 157
-Paragraph 32
-Subparagraph c(2)

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This element represents an asset measured at fair value using significant unobservable inputs (Level 3) which is required for reconciliation purposes of beginning and ending balances.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 157
-Paragraph 32
-Subparagraph c

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Fair Value of Assets and Liabilities (Details 2) (USD $) In Millions	3 Months Ended		6 Months Ended			3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended			3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended	6 Months Ended				3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010	Dec. 31, 2010	Jun. 30, 2011 Fixed income securities	Jun. 30, 2010 Fixed income securities	Jun. 30, 2011 Fixed income securities	Jun. 30, 2010 Fixed income securities	Jun. 30, 2011 Municipal	Jun. 30, 2010 Municipal	Jun. 30, 2011 Municipal	Jun. 30, 2010 Municipal	Jun. 30, 2011 Corporate	Jun. 30, 2010 Corporate	Jun. 30, 2011 Corporate	Jun. 30, 2010 Corporate	Jun. 30, 2010 Foreign government	Jun. 30, 2011 Residential mortgage-backed securities ("RMBS")	Jun. 30, 2010 Residential mortgage-backed securities ("RMBS")	Jun. 30, 2011 Residential mortgage-backed securities ("RMBS")	Jun. 30, 2010 Residential mortgage-backed securities ("RMBS")	Jun. 30, 2011 Commercial mortgage-backed securities ("CMBS")	Jun. 30, 2010 Commercial mortgage-backed securities ("CMBS")	Jun. 30, 2011 Commercial mortgage-backed securities ("CMBS")	Jun. 30, 2010 Commercial mortgage-backed securities ("CMBS")	Jun. 30, 2011 Asset-backed securities ("ABS")	Jun. 30, 2010 Asset-backed securities ("ABS")	Jun. 30, 2011 Asset-backed securities ("ABS")	Jun. 30, 2010 Asset-backed securities ("ABS")	Jun. 30, 2010 Redeemable preferred stock	Jun. 30, 2010 Redeemable preferred stock	Jun. 30, 2011 Redeemable preferred stock	Mar. 31, 2011 Redeemable preferred stock	Dec. 31, 2010 Redeemable preferred stock	Jun. 30, 2011 Equity securities	Jun. 30, 2010 Equity securities	Jun. 30, 2011 Equity securities	Jun. 30, 2010 Equity securities	Jun. 30, 2011 Free-standing derivatives, net	Jun. 30, 2010 Free-standing derivatives, net	Jun. 30, 2011 Free-standing derivatives, net	Jun. 30, 2010 Free-standing derivatives, net	Jun. 30, 2011 Other assets.	Mar. 31, 2011 Other assets.	Dec. 31, 2010 Other assets.	Jun. 30, 2010 Other assets.	Mar. 31, 2010 Other assets.	Dec. 31, 2009 Other assets.
Fair Value Assets Measured on Recurring Basis Unobservable Input Reconciliation Calculation Rollforward
Balance at beginning of period	$ 8,357	$ 10,309	$ 9,102	$ 10,171		$ 8,384	$ 10,273	$ 9,059	$ 10,045	$ 1,864	$ 2,482	$ 2,016	$ 2,706	$ 2,035	$ 2,177	$ 1,908	$ 2,241	$ 20	$ 1,398	$ 2,079	$ 1,794	$ 1,671	$ 995	$ 1,130	$ 923	$ 1,404	$ 2,091	$ 2,403	$ 2,417	$ 2,001	$ 2	$ 2	$ 1	$ 1	$ 1	$ 43	$ 72	$ 63	$ 69	$ (71)	$ (38)	$ (21)	$ 55	$ 1	$ 1	$ 1	$ 2	$ 2	$ 2
Total realized and unrealized gains (losses) included in net income, recurring Level 3 assets	(29)	(327)	(107)	(580)		(26)	(222)	(63)	(342)	(13)	(31)	(24)	(47)	23	(10)	35	(37)		(26)	(111)	(87)	(169)	(21)	(73)	(42)	(107)	11	3	55	18							(6)	(10)	(6)	(3)	(99)	(34)	(232)
Total realized and unrealized gains (losses) included in OCI on Statement of Financial Position	70	426	336	905		70	425	336	901	45	21	66	58	8	26	18	101		1	180	106	343	4	192	118	300	12	6	28	99							1		4
Purchases	272		524			253		457		3		13		35		131							2		10		213		303											19		67
Sales	(819)		(1,441)			(818)		(1,440)		(321)		(455)		(347)		(378)			(60)		(378)		(41)		(66)		(49)		(163)							(1)		(1)
Settlements	(161)		(373)			(160)		(305)		(2)		(3)		(4)		(12)			(51)		(128)		(1)		(2)		(102)		(160)											(1)		(68)
Purchases, sales, issuances and settlements, net		(303)		(35)			(340)		(116)		(236)		(452)		45		34	(20)		(124)		179		(165)		(328)		141		472	(1)	(1)					(1)		3		38		78
Transfers into Level 3	97	167	248	203		97	167	248	203		16		16	87	151	182	163						10		66	24
Transfers out of Level 3	(226)	(560)	(728)	(952)		(226)	(560)	(718)	(948)	(22)	(55)	(59)	(84)	(117)	(164)	(164)	(277)		(68)	(14)	(113)	(14)	(10)	(204)	(69)	(413)	(9)	(123)	(313)	(160)								(10)	(4)
Balance at end of period	7,561	9,712	7,561	9,712		7,574	9,743	7,574	9,743	1,554	2,197	1,554	2,197	1,720	2,225	1,720	2,225		1,194	2,010	1,194	2,010	938	880	938	880	2,167	2,430	2,167	2,430	1	1	1	1	1	42	66	42	66	(56)	(99)	(56)	(99)	1	1	1	2	2	2
Fair Value Assets Measured on Recurring Basis Unobservable Input Reconciliation Other Disclosure
Total realized and unrealized gains (losses) included in net income, recurring Level 3 assets and liabilities	(63)	(357)	(133)	(592)
Effect to net income included in realized capital gains and losses	(38)	(345)	(123)	(631)
Effect to net income included in investment income	9	22	16	54
Effect to net income included in interest credited to contractholder funds	(26)	(4)	(63)	(3)
Effect to net income included in life and annuity contract benefits	(8)	(30)	37	(12)
Free-standing derivatives, assets	22	27	22	27	439
Free-standing derivatives, liabilities	$ 78	$ 126	$ 78	$ 126	$ 363