Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Millions, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Assets
Fixed maturity securities at fair value (amortized cost of $38,928 and $38,170)	$ 41,431	$ 42,633
Equity securities at fair value (cost of $185 and $228)	199	249
Limited partnership investments	2,665	2,462
Other invested assets	36	59
Mortgage loans	437	401
Short term investments	1,531	1,832
Total investments	46,299	47,636
Cash	121	156
Reinsurance receivables (less allowance for uncollectible receivables of $71 and $73)	5,970	6,158
Insurance receivables (less allowance for uncollectible receivables of $94 and $101)	2,133	1,882
Accrued investment income	446	434
Deferred acquisition costs	650	598
Deferred income taxes	315	93
Property and equipment at cost (less accumulated depreciation of $379 and $404)	327	326
Goodwill	152	154
Other assets (includes $0 and $4 due from Loews Corporation)	907	773
Separate account business	247	312
Total assets	57,567	58,522
Liabilities
Claim and claim adjustment expenses	24,339	24,763
Unearned premiums	3,869	3,610
Future policy benefits	10,787	11,475
Policyholders’ funds	133	157
Short term debt	13	13
Long term debt	2,558	2,557
Other liabilities (includes $65 and $0 due to Loews Corporation)	3,677	3,321
Separate account business	247	312
Total liabilities	45,623	46,208
Commitments and contingencies (Notes C, G and J)
Stockholders' Equity
Common stock ($2.50 par value; 500,000,000 shares authorized; 273,040,243 shares issued; 269,697,889 and 269,399,390 shares outstanding)	683	683
Additional paid-in capital	2,140	2,146
Retained earnings	9,110	8,774
Accumulated other comprehensive income (loss)	126	831
Treasury stock (3,342,354 and 3,640,853 shares), at cost	(91)	(99)
Notes receivable for the issuance of common stock	(24)	(21)
Total stockholders’ equity	11,944	12,314
Total liabilities and stockholders' equity	$ 57,567	$ 58,522