Condensed Consolidated Statements of Comprehensive Operations (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
REVENUES
Earned premiums	$ 889	$ 812	$ 2,605	$ 2,367
Investment income, net of expenses	132	130	395	393
Total realized investment gains (losses), net	10	(2)	29	77
Fee revenues	1	1	4	3
Other revenues	3	3	8	8
Total revenues	1,035	944	3,041	2,848
BENEFITS AND EXPENSES
Insurance losses and policyholder benefits	571	656	1,840	2,032
Underwriting, acquisition and insurance expenses	296	260	857	775
Interest expense	14	13	41	40
Other operating expenses	2	4	10	14
Total benefits and expenses	883	933	2,748	2,861
INCOME (LOSS) BEFORE INCOME TAXES	152	11	293	(13)
PROVISION (BENEFIT) FOR INCOME TAXES
Current	34	17	60	(9)
Deferred	7	(25)	4	(34)
Provision (benefit) for income taxes	41	(8)	64	(43)
NET INCOME	111	19	229	30
PER COMMON SHARE
Net income-basic	$ 0.69	$ 0.12	$ 1.41	$ 0.19
Net income-diluted	$ 0.68	$ 0.12	$ 1.40	$ 0.19
NET INCOME	111	19	229	30
OTHER COMPREHENSIVE INCOME (LOSS), BEFORE TAX
Unrealized gains (losses) on investments available-for-sale	263	(305)	457	(21)
Reclassification adjustment for (gains) losses included in net income	(10)	2	(29)	(77)
Unrealized (losses) on other	(6)	(6)	(16)	(7)
Unrealized gains (losses) on investments available-for-sale and other	247	(309)	412	(105)
Amortization of pension actuarial loss and prior service cost	2	1	5	3
Less: amortization of pension prior service cost included in net income
Defined benefit pension plan	2	1	5	3
Other comprehensive income (loss) before tax	249	(308)	417	(102)
Income tax expense (benefit) related to items of other comprehensive income	88	(108)	147	(36)
Other comprehensive income (loss), net of tax	161	(200)	270	(66)
COMPREHENSIVE INCOME (LOSS)	$ 272	$ (181)	$ 499	$ (36)