CLOSED BLOCK (Details) - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015	Mar. 31, 2015	Dec. 31, 2014
CLOSED BLOCK LIABILITIES:
Future policy benefits, policyholders’ account balances and other	$ 7,296	$ 7,363
Policyholder dividend obligation	160	81	$ 230	$ 201
Other liabilities	71	100
Total Closed Block liabilities	7,527	7,544
ASSETS DESIGNATED TO THE CLOSED BLOCK:
Fixed maturities, available for sale, at fair value (amortized cost of $4,216 and $4,426)	4,466	4,599
Mortgage loans on real estate	1,738	1,575
Policy loans	872	881
Cash and other invested assets	101	49
Other assets	177	258
Total assets designated to the Closed Block	7,354	7,362
Excess of Closed Block liabilities over assets designated to the Closed Block	173	182
Closed Block Assets and Liabilities, Effect on Other Comprehensive Income (Loss) [Abstract]
Net unrealized investment gains (losses), net of deferred income tax (expense) benefit of $(35) and $(36) and policyholder dividend obligation of $(160) and $(81)	65	67
Maximum Future Earnings To Be Recognized From Closed Block Assets and Liabilities	$ 238	$ 249