CLOSED BLOCK (REVENUES AND EXPENSES) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015	Dec. 31, 2014
REVENUES:
Premiums and other income	$ 63	$ 69
Net investment income (loss)	89	92
Net investment gains (losses)	1	1
Total revenues	153	162
BENEFITS AND OTHER DEDUCTIONS:
Policyholders’ benefits and dividends	136	153
Other operating costs and expenses	0	0
Total benefits and other deductions	136	153
Net revenues (loss) before income taxes	17	9
Income tax (expense) benefit	(6)	(3)
Net Revenues (Losses)	11	6
Closed Block Investments, Fixed Maturity, Available-for-sale, Amortized Cost	4,216		$ 4,426
Closed Block Operations, Deferred Income Tax (Expense) Benefit	(35)		(36)
Closed Block Liabilities Policyholder Dividend Obligation	$ (160)	$ (230)	$ (81)	$ (201)