Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Millions	1 Months Ended	2 Months Ended	3 Months Ended	5 Months Ended	6 Months Ended
	Jun. 30, 2018	May 31, 2018	Jun. 30, 2017	May 31, 2018	Jun. 30, 2017
Income Statement [Abstract]
Fee income and other	$ 72	$ 150	$ 225	$ 381	$ 446
Earned premiums	6	15	34	42	70
Net investment income	65	208	318	520	634
Net realized capital gains (losses):
Total net realized capital gains (losses)	4	(128)	18	(107)	(28)
Recognition of Deferred Revenue	9	0	0	0	0
Total revenues	156	245	595	836	1,122
Benefits, losses and expenses
Benefits, loss and loss adjustment expenses	45	209	342	534	672
Deferred Policy Acquisition Costs and Present Value of Future Profits, Amortization	7	5	10	16	18
Insurance operating costs and other expenses	33	74	98	183	201
Dividends to policyholders	0	0	0	2	0
Total benefits, losses and expenses	85	288	450	735	891
Income before income taxes	71	(43)	145	101	231
Income tax expense	14	(12)	33	7	44
Net income (loss)	$ 57	$ (31)	$ 112	$ 94	$ 187