FAIR VALUE DISCLOSURES 2 (DETAILS) (USD $) In Millions, unless otherwise specified	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		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		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended
	Jun. 30, 2012	Mar. 31, 2012	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012 Fair Value Inputs Level 3 [Member]	Jun. 30, 2012 Corporate [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2011 Corporate [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2012 Corporate [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2011 Corporate [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2012 Corporate [Member] Level 3 Assets And Liabilities Held [Member]	Jun. 30, 2011 Corporate [Member] Level 3 Assets And Liabilities Held [Member]	Jun. 30, 2012 Corporate [Member] Level 3 Assets And Liabilities Held [Member]	Jun. 30, 2011 Corporate [Member] Level 3 Assets And Liabilities Held [Member]	Jun. 30, 2012 State and Political Sub-divisions [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2011 State and Political Sub-divisions [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2012 State and Political Sub-divisions [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2011 State and Political Sub-divisions [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2012 State and Political Sub-divisions [Member] Level 3 Assets And Liabilities Held [Member]	Jun. 30, 2011 State and Political Sub-divisions [Member] Level 3 Assets And Liabilities Held [Member]	Jun. 30, 2012 Foreign Govts [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2011 Foreign Govts [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2012 Foreign Govts [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2011 Foreign Govts [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2012 Commercial Mortgage Backed Securities [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2011 Commercial Mortgage Backed Securities [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2012 Commercial Mortgage Backed Securities [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2011 Commercial Mortgage Backed Securities [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2012 Commercial Mortgage Backed Securities [Member] Level 3 Assets And Liabilities Held [Member]	Jun. 30, 2011 Commercial Mortgage Backed Securities [Member] Level 3 Assets And Liabilities Held [Member]	Jun. 30, 2012 Commercial Mortgage Backed Securities [Member] Level 3 Assets And Liabilities Held [Member]	Jun. 30, 2011 Commercial Mortgage Backed Securities [Member] Level 3 Assets And Liabilities Held [Member]	Jun. 30, 2012 Residential Mortgage Backed Securities [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2011 Residential Mortgage Backed Securities [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2012 Residential Mortgage Backed Securities [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2011 Residential Mortgage Backed Securities [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2012 Asset-backed Securities [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2011 Asset-backed Securities [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2012 Asset-backed Securities [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2011 Asset-backed Securities [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2012 Asset-backed Securities [Member] Level 3 Assets And Liabilities Held [Member]	Jun. 30, 2011 Asset-backed Securities [Member] Level 3 Assets And Liabilities Held [Member]	Jun. 30, 2012 Asset-backed Securities [Member] Level 3 Assets And Liabilities Held [Member]	Jun. 30, 2011 Asset-backed Securities [Member] Level 3 Assets And Liabilities Held [Member]	Jun. 30, 2012 Redeemable Preferred Stock [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2011 Redeemable Preferred Stock [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2012 Redeemable Preferred Stock [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2011 Redeemable Preferred Stock [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2012 Redeemable Preferred Stock [Member] Level 3 Assets And Liabilities Held [Member]	Jun. 30, 2012 Equity Method Investments [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2011 Equity Method Investments [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2012 Equity Method Investments [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2011 Equity Method Investments [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2012 Equity Method Investments [Member] Level 3 Assets And Liabilities Held [Member]	Jun. 30, 2011 Equity Method Investments [Member] Level 3 Assets And Liabilities Held [Member]	Jun. 30, 2012 Equity Method Investments [Member] Level 3 Assets And Liabilities Held [Member]	Jun. 30, 2011 Equity Method Investments [Member] Level 3 Assets And Liabilities Held [Member]	Jun. 30, 2012 Other Invested Assets [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2011 Other Invested Assets [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2012 Other Invested Assets [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2011 Other Invested Assets [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2012 Other Invested Assets [Member] Level 3 Assets And Liabilities Held [Member]	Jun. 30, 2012 GMIB Reinsurance Contracts [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2011 GMIB Reinsurance Contracts [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2012 GMIB Reinsurance Contracts [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2011 GMIB Reinsurance Contracts [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2012 GMIB Reinsurance Contracts [Member] Level 3 Assets And Liabilities Held [Member]	Jun. 30, 2011 GMIB Reinsurance Contracts [Member] Level 3 Assets And Liabilities Held [Member]	Jun. 30, 2012 GMIB Reinsurance Contracts [Member] Level 3 Assets And Liabilities Held [Member]	Jun. 30, 2011 GMIB Reinsurance Contracts [Member] Level 3 Assets And Liabilities Held [Member]	Jun. 30, 2012 Separate Accounts [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2011 Separate Accounts [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2012 Separate Accounts [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2011 Separate Accounts [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2012 Separate Accounts [Member] Level 3 Assets And Liabilities Held [Member]	Jun. 30, 2011 Separate Accounts [Member] Level 3 Assets And Liabilities Held [Member]	Jun. 30, 2012 Separate Accounts [Member] Level 3 Assets And Liabilities Held [Member]	Jun. 30, 2011 Separate Accounts [Member] Level 3 Assets And Liabilities Held [Member]	Jun. 30, 2012 Guarantees [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2011 Guarantees [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2012 Guarantees [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2011 Guarantees [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2012 Guarantees [Member] Level 3 Assets And Liabilities Held [Member]	Jun. 30, 2011 Guarantees [Member] Level 3 Assets And Liabilities Held [Member]	Jun. 30, 2012 Guarantees [Member] Level 3 Assets And Liabilities Held [Member]	Jun. 30, 2011 Guarantees [Member] Level 3 Assets And Liabilities Held [Member]	Jun. 30, 2012 Other Fixed Maturities Available For Sale [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2011 Other Fixed Maturities Available For Sale [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2012 Other Fixed Maturities Available For Sale [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2011 Other Fixed Maturities Available For Sale [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2012 Subtotal [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2011 Subtotal [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2012 Subtotal [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2011 Subtotal [Member] Fair Value Inputs Level 3 [Member]	Jun. 30, 2012 Subtotal [Member] Level 3 Assets And Liabilities Held [Member]	Jun. 30, 2011 Subtotal [Member] Level 3 Assets And Liabilities Held [Member]	Jun. 30, 2012 Subtotal [Member] Level 3 Assets And Liabilities Held [Member]	Jun. 30, 2011 Subtotal [Member] Level 3 Assets And Liabilities Held [Member]
Fair Value Assets Measured on Recurring Basis Unobservable Input Reconciliation [Line Items]
Opening Balance						$ 394	$ 355	$ 432	$ 320					$ 52	$ 48	$ 53	$ 49			$ 20	$ 21	$ 22	$ 21	$ 933	$ 1,107	$ 902	$ 1,103					$ 12	$ 0	$ 14	$ 0	$ 165	$ 125	$ 172	$ 148					$ 14	$ 3	$ 14	$ 2		$ 59	$ 73	$ 77	$ 73					$ (59)	$ 0	$ (2)	$ 0		$ 8,704	$ 3,673	$ 10,547	$ 4,606					$ 221	$ 212	$ 215	$ 207					$ 193	$ 17	$ 291	$ 94
Total Gains Losses Realized Unrealized Included In [Abstract]
Net Investment Income (Loss)						0	1	0	2	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	0	4	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Investment (gains) losses, net					0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	(51)	(21)	(54)	(20)	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	3	0	8	1	3	3	8	0	0	0	0	0	0	0	0		0	0	0	1	3	3	8	0	0	0	0
Increase (decrease) in the fair value of the reinsurance contracts	0							0	0	0	0	0	0			0	0	0	0			0	0			0	0	0	0	0	0			0	0			0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	2,631	641	743	(343)	2,677	694	834	(239)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	2,677	694	834	(239)		0	0	0
Policyholders' benefits										0	0	0	0					0	0									0	0	0	0									0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	129	40	25	(42)	(141)	(45)	(43)	32	0	0	0	0	(141)	(45)	(43)	32	0	0	0	0
Subtotal						0	1	0	2					0	0	0	0			0	0	0	0	(51)	(21)	(53)	(19)					0	0	0	0	0	0	0	1					0	0	0	0		0	0	0	0					0	0	0	0		2,631	641	743	(343)					1	3	4	8					129	40	25	(42)
Other comprehensive income (loss)						(2)	2	1	(2)	(2)	2	1	(1)	0	1	0	0	0	0	0	0	0	0	41	(6)	78	55	40	(7)	78	49	0	0	0	0	(1)	0	0	2	(1)	0	0	2	1	(1)	1	0	0	(1)	(1)	(19)	(1)	(1)	0	(19)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	36	(5)	60	50	37	(5)	79	50
Purchases						25	100	25	111					0	0	0	0			0	0	0	0	0	0	0	0					0	0	0	0	0	0	0	0					0	0	0	0		0	0	0	0					0	0	0	0		60	59	121	118					6	7	7	7					12	5	18	10
Issues						0	0	0	0					0	0	0	0			0	0	0	0	0	0	0	0					0	0	0	0	0	0	0	0					0	0	0	0		0	0	0	0					0	0	0	0		0	0	0	0					0	0	0	0					0	0	0	0
Sales						(21)	(6)	(25)	(10)					0	0	(1)	0			0	0	0	0	(17)	(76)	(21)	(135)					(1)	0	(3)	0	(7)	(9)	(13)	(16)					0	0	0	0		0	0	0	0					0	0	0	0		(14)	(6)	(30)	(14)					(4)	(1)	(2)	(1)					0	0	0	0
Settlements						0	0	0	0					0	0	0	0			0	0	0	0	0	0	0	0					0	0	0	0	0	0	0	0					0	0	0	0		0	0	0	0					0	0	0	0		0	0	0	0					(1)	0	(2)	0					0	0	0	0
Transfers into level 3			7	14		5	2	7	14					0	0	0	0			0	0	0	0	0	0	0	0					0	0	0	0	0	0	0	0					0	0	0	0		0	0	0	0					0	0	0	0		0	0	0	0					0	(1)	0	(1)					0	0	0	0
Transfers out of Level 3		14	99	48		(18)	(48)	(57)	(29)					0	0	0	0			(20)	0	(22)	0	0	0	0	0					0	0	0	0	(18)	0	(20)	(19)					0	0	0	0		0	0	0	0					59	0	2	0		0	0	0	0					(1)	0	0	0					0	0	0	0
Closing Balance						$ 383	$ 406	$ 383	$ 406					$ 52	$ 49	$ 52	$ 49			$ 0	$ 21	$ 0	$ 21	$ 906	$ 1,004	$ 906	$ 1,004					$ 11	$ 0	$ 11	$ 0	$ 139	$ 116	$ 139	$ 116					$ 15	$ 2	$ 15	$ 2		$ 58	$ 72	$ 58	$ 72					$ 0	$ 0	$ 0	$ 0		$ 11,381	$ 4,367	$ 11,381	$ 4,367					$ 222	$ 220	$ 222	$ 220					$ 334	$ 62	$ 334	$ 62