CLOSED BLOCK (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2015	Dec. 31, 2014
CLOSED BLOCK LIABILITIES:
Future policy benefits, policyholders’ account balances and other				$ 7,363	$ 7,537
Policyholder dividend obligation	$ 201	$ 128	$ 128	81	201
Other liabilities				100	117
Total Closed Block liabilities				7,544	7,855
ASSETS DESIGNATED TO THE CLOSED BLOCK:
Fixed maturities, available for sale, at fair value (amortized cost of $4,426 and $4,829)				4,599	5,143
Mortgage loans on real estate				1,575	1,407
Policy loans				881	912
Cash and other invested assets				49	14
Other assets				258	176
Total assets designated to the Closed Block				7,362	7,652
Excess of Closed Block liabilities over assets designated to the Closed Block				182	203
Amounts included in accumulated other comprehensive income (loss):
Net unrealized investment gains (losses), net of deferred income tax (expense) benefit of $(36) and $(43) and policyholder dividend obligation of $(81) and $(201)				67	80
Maximum Future Earnings To Be Recognized From Closed Block Assets and Liabilities				249	283
REVENUES:
Premiums and other income	262	273	286
Investment income (loss)	368	378	402
Net investment gains (losses)	2	(4)	(11)
Total revenues	632	647	677
BENEFITS AND OTHER DEDUCTIONS:
Policyholders’ benefits and dividends	576	597	637
Other operating costs and expenses	4	4	1
Total benefits and other deductions	580	601	638
Net revenues, before income taxes	52	46	39
Income tax (expense) benefit	(18)	(16)	(14)
Net Revenues (Losses)	34	30	25
Movement in Closed Block Dividend Obligation [Roll Forward]
Balances, beginning of year	201	128
Unrealized investment gains (losses)	(120)	73
Balances, End of year	$ 81	$ 201	$ 128
Closed block operations, income taxes				36	43
Closed block investments fixed maturity available for sale amortized cost				$ 4,426	$ 4,829