Condensed Consolidated Statements of Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Revenues [Abstract]
Earned premiums	$ 1,111	$ 1,059	$ 2,205	$ 2,086
Investment income, net of expenses	140	136	279	271
Realized investment gains, net	60	14	107	36
Fee revenues	3	3	6	6
Other revenues	2	2	4	4
Total revenues	1,316	1,214	2,601	2,403
Benefits and Expenses
Insurance losses and contract holders' benefits	712	763	1,461	1,495
Underwriting, acquisition and insurance expenses	340	328	685	648
Interest expense	13	13	26	27
Other operating expenses	3	3	7	7
Total benefits and expenses	1,068	1,107	2,179	2,177
Income Before Income Taxes	248	107	422	226
Provision for Income Taxes
Current	70	18	116	38
Deferred	2	5	2	13
Total provision for income taxes	72	23	118	51
Net Income	$ 176	$ 84	$ 304	$ 175
Per Common Share
Net income-basic (in USD per share)	$ 1.07	$ 0.51	$ 1.85	$ 1.07
Net income-diluted (in USD per share)	$ 1.06	$ 0.51	$ 1.84	$ 1.06