GMDB, GMIB, GIB, GWBL AND OTHER FEATURES AND NO LAPSE GUARANTEE FEATURES 4 (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Direct Liability, Gross [Roll Forward]
Balance, beginning of period	$ 8,283	$ 7,373
Balance, end of period	9,311	7,855
Direct Liability
Direct Liability, Gross [Roll Forward]
Balance, beginning of period	1,084	964
Other changes in reserves	85	115
Balance, end of period	1,169	1,079
Reinsurance Ceded
Reinsurance Ceded [Roll Forward]
Balance, beginning of period	(539)	(555)
Other changes in reserves	(32)	(44)
Balance, end of period	(571)	(599)
Net
Direct Liability, Net [Roll Forward]
Balance, beginning of period	545	409
Other changes in reserves	53	71
Balance, end of period	$ 598	$ 480