Consolidated Statements Of Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Revenues
Earned premiums	$ 4,480	$ 4,243	$ 3,902
Investment income, net of expenses	572	549	529
Realized investment gains, net	70	133	83
Fee revenues	13	12	8
Other revenues	7	8	9
Total revenues	5,142	4,945	4,531
Benefits and Expenses
Insurance losses and contract holders' benefits	2,808	2,856	2,505
Underwriting, acquisition and insurance expenses	1,387	1,301	1,243
Interest expense	53	53	54
Other operating expenses	13	14	15
Total benefits and expenses	4,261	4,224	3,817
Income Before Income Taxes	881	721	714
Provision for Income Taxes
Current	231	159	178
Deferred	16	37	19
Total provision for income taxes	247	196	197
Net Income	$ 634	$ 525	$ 517
Per Common Share
Net income—basic (in usd per share)	$ 3.87	$ 3.21	$ 3.16
Net income—diluted (in usd per share)	$ 3.83	$ 3.18	$ 3.12