GMDB, GMIB, GWBL AND NO LAPSE GUARANTEE FEATURES (DETAILS2) (USD $) In Millions, unless otherwise specified					6 Months Ended
	Jun. 30, 2012	Dec. 31, 2011	Jun. 30, 2011	Dec. 31, 2010	Jun. 30, 2012 Direct Liabilities For Guarantees [Member]	Jun. 30, 2011 Direct Liabilities For Guarantees [Member]	Jun. 30, 2012 Ceded Liabilities For Guarantees [Member]	Jun. 30, 2011 Ceded Liabilities For Guarantees [Member]	Jun. 30, 2012 Net Liabilities For Guarantees [Member]	Jun. 30, 2011 Net Liabilities For Guarantees [Member]	Jun. 30, 2012 Guaranteed Minimum Death Benefit [Member]	Dec. 31, 2011 Guaranteed Minimum Death Benefit [Member]	Jun. 30, 2011 Guaranteed Minimum Death Benefit [Member]	Dec. 31, 2010 Guaranteed Minimum Death Benefit [Member]	Jun. 30, 2012 Guaranteed Minimum Income Benefit [Member]	Dec. 31, 2011 Guaranteed Minimum Income Benefit [Member]	Jun. 30, 2011 Guaranteed Minimum Income Benefit [Member]	Dec. 31, 2010 Guaranteed Minimum Income Benefit [Member]	Jun. 30, 2012 Common Stock [Member] Guaranteed Minimum Death Benefit [Member]	Dec. 31, 2011 Common Stock [Member] Guaranteed Minimum Death Benefit [Member]	Jun. 30, 2012 Common Stock [Member] Guaranteed Minimum Income Benefit [Member]	Dec. 31, 2011 Common Stock [Member] Guaranteed Minimum Income Benefit [Member]	Jun. 30, 2012 Fixed Income Investments [Member] Guaranteed Minimum Death Benefit [Member]	Dec. 31, 2011 Fixed Income Investments [Member] Guaranteed Minimum Death Benefit [Member]	Jun. 30, 2012 Fixed Income Investments [Member] Guaranteed Minimum Income Benefit [Member]	Dec. 31, 2011 Fixed Income Investments [Member] Guaranteed Minimum Income Benefit [Member]	Jun. 30, 2012 Balanced [Member] Guaranteed Minimum Death Benefit [Member]	Dec. 31, 2011 Balanced [Member] Guaranteed Minimum Death Benefit [Member]	Jun. 30, 2012 Balanced [Member] Guaranteed Minimum Income Benefit [Member]	Dec. 31, 2011 Balanced [Member] Guaranteed Minimum Income Benefit [Member]	Jun. 30, 2012 Other Investments [Member] Guaranteed Minimum Death Benefit [Member]	Dec. 31, 2011 Other Investments [Member] Guaranteed Minimum Death Benefit [Member]	Jun. 30, 2012 Other Investments [Member] Guaranteed Minimum Income Benefit [Member]	Dec. 31, 2011 Other Investments [Member] Guaranteed Minimum Income Benefit [Member]
Schedule Of Fair Value Of Separate Accounts By Major Category Of Investment [Line Items]
Separate Account Investments by Investment Category											$ 73,350	$ 70,194			$ 47,680	$ 45,887			$ 49,575	$ 46,207	$ 31,823	$ 29,819	$ 3,783	$ 3,810	$ 2,337	$ 2,344	$ 19,428	$ 19,525	$ 13,234	$ 13,379	$ 564	$ 652	$ 286	$ 345
Price Risk Fair Value Hedge Derivative On Balance Sheet [Abstract]
Account Value Hedged of Variable Annuity Contracts											37,422				20,850
Net Amount At Risk Hedged of Variable Annuity Contracts											7,657				2,755
Liabilities For Guarantees On Long Duration Contracts [Line Items]
Balance, January 1,	6,006	5,723	3,793	3,576	470	375	(262)	(231)	208	144	1,639	1,593	1,337	1,265	4,367	4,130	2,456	2,311
Other changes in reserves					50	13	(23)	(1)	27	12
Balance, end of period	$ 6,006	$ 5,723	$ 3,793	$ 3,576	$ 520	$ 388	$ (285)	$ (232)	$ 235	$ 156	$ 1,639	$ 1,593	$ 1,337	$ 1,265	$ 4,367	$ 4,130	$ 2,456	$ 2,311