Condensed Consolidated Statements of Income (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
REVENUES
Earned premiums	$ 992	$ 889	$ 2,877	$ 2,605
Investment income, net of expenses	133	132	392	395
Realized investment gains, net	22	10	77	29
Fee revenues	2	1	6	4
Other revenues	3	3	7	8
Total revenues	1,152	1,035	3,359	3,041
BENEFITS AND EXPENSES
Insurance losses and policyholder benefits	642	571	1,841	1,840
Underwriting, acquisition and insurance expenses	312	296	919	857
Interest expense	13	14	40	41
Other operating expenses	3	2	12	10
Total benefits and expenses	970	883	2,812	2,748
INCOME BEFORE INCOME TAXES	182	152	547	293
PROVISION FOR INCOME TAXES
Current	46	34	137	60
Deferred	5	7	15	4
Total provision for income taxes	51	41	152	64
NET INCOME	$ 131	$ 111	$ 395	$ 229
PER COMMON SHARE
Net income-basic (in USD per share)	$ 0.80	$ 0.69	$ 2.42	$ 1.41
Net income-diluted (in USD per share)	$ 0.79	$ 0.68	$ 2.39	$ 1.40