Condensed Consolidated Statements of Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Revenues [Abstract]
Earned premiums	$ 1,260	$ 1,208
Investment income, net of expenses	150	149
Investment gains and losses, net	(191)	160
Fee revenues	4	5
Other revenues	1	1
Total revenues	1,224	1,523
Benefits and Expenses
Insurance losses and contract holders' benefits	854	853
Underwriting, acquisition and insurance expenses	403	377
Interest expense	13	13
Other operating expenses	4	4
Total benefits and expenses	1,274	1,247
Income (Loss) Before Income Taxes	(50)	276
Provision (Benefit) for Income Taxes
Current	28	40
Deferred	(47)	35
Total provision (benefit) for income taxes	(19)	75
Net Income (Loss)	$ (31)	$ 201
Per Common Share
Net income (loss)—basic	$ (0.19)	$ 1.22
Net income (loss)—diluted	$ (0.19)	$ 1.21