CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Revenues
Property-liability insurance premiums	$ 7,204	$ 6,862	$ 14,268	$ 13,632
Life and annuity premiums and contract charges	518	579	1,125	1,158
Net investment income	898	984	1,857	1,967
Realized capital gains and losses:
Total other-than-temporary impairment losses	(44)	(55)	(124)	(82)
Portion of loss recognized in other comprehensive income	(1)	(5)	(2)	(15)
Net other-than-temporary impairment losses recognized in earnings	(45)	(60)	(126)	(97)
Sales and other realized capital gains and losses	285	422	420	590
Total realized capital gains and losses	240	362	294	493
Total revenues	8,860	8,787	17,544	17,250
Costs and expenses
Property-liability insurance claims and claims expense	5,142	4,741	9,901	9,201
Life and annuity contract benefits	413	471	901	929
Interest credited to contractholder funds	212	311	519	656
Amortization of deferred policy acquisition costs	1,035	961	2,070	1,907
Operating costs and expenses	1,023	1,090	2,117	2,192
Restructuring and related charges	4	20	10	46
Loss on extinguishment of debt	1	480	1	480
Interest expense	84	99	171	197
Total costs and expenses	7,914	8,173	15,690	15,608
Gain (loss) on disposition of operations	9		(50)	2
Income from operations before income tax expense	955	614	1,804	1,644
Income tax expense	310	180	559	501
Net income	645	434	1,245	1,143
Preferred stock dividends	31		44
Net income available to common shareholders	$ 614	$ 434	$ 1,201	$ 1,143
Earnings per common share:
Net income available to common shareholders per common share - Basic (in dollars per share)	$ 1.41	$ 0.93	$ 2.73	$ 2.42
Weighted average common shares - Basic (in shares)	434.3	468.3	440.4	471.9
Net income available to common shareholders per common share - Diluted (in dollars per share)	$ 1.39	$ 0.92	$ 2.69	$ 2.39
Weighted average common shares - Diluted (in shares)	440.7	473.8	446.8	477.3
Cash dividends declared per common share (in dollars per share)	$ 0.28	$ 0.25	$ 0.56	$ 0.50