CLOSED BLOCK - REVENUES AND EXPENSES (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
REVENUES:
Premiums and other income	$ 44	$ 52	$ 144	$ 167
Net investment income (loss)	72	82	218	244
Net investment gains (losses)	0	(2)	1	(18)
Total revenues	116	132	363	393
BENEFITS AND OTHER DEDUCTIONS:
Policyholders’ benefits and dividends	123	132	372	416
Other operating costs and expenses	1	1	3	2
Total benefits and other deductions	124	133	375	418
Net revenues (loss) before income taxes	(8)	(1)	(12)	(25)
Income tax (expense) benefit	2	1	2	9
Net revenues (losses)	$ (6)	$ 0	$ (10)	$ (16)