GMDB, GMIB, GIB, GWBL AND OTHER FEATURES AND NO LAPSE GUARANTEE FEATURES 4 (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Direct Liability, Gross [Roll Forward]
Balance, beginning of period	$ 8,283	$ 7,373
Balance, end of period	8,702	7,702
Direct Liability
Direct Liability, Gross [Roll Forward]
Balance, beginning of period	1,084	964
Other changes in reserves	50	46
Balance, end of period	1,134	1,010
Reinsurance Ceded
Reinsurance Ceded [Roll Forward]
Balance, beginning of period	(539)	(555)
Other changes in reserves	(22)	(23)
Balance, end of period	(561)	(578)
Net
Direct Liability, Net [Roll Forward]
Balance, beginning of period	545	409
Other changes in reserves	28	23
Balance, end of period	$ 573	$ 432