CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Revenues
Property-liability insurance premiums	$ 7,869	$ 7,650	$ 23,406	$ 22,625
Life and annuity premiums and contract charges	571	538	1,701	1,611
Net investment income	748	807	2,241	2,446
Realized capital gains and losses:
Total other-than-temporary impairment (“OTTI”) losses	(73)	(186)	(241)	(286)
OTTI losses reclassified to (from) other comprehensive income	0	12	8	20
Net OTTI losses recognized in earnings	(73)	(174)	(233)	(266)
Sales and other realized capital gains and losses	106	207	141	546
Total realized capital gains and losses	33	33	(92)	280
Total revenues	9,221	9,028	27,256	26,962
Costs and expenses
Property-liability insurance claims and claims expense	5,553	5,255	17,138	15,835
Life and annuity contract benefits	484	460	1,393	1,347
Interest credited to contractholder funds	183	194	558	578
Amortization of deferred policy acquisition costs	1,138	1,092	3,393	3,248
Operating costs and expenses	1,021	992	3,043	3,143
Restructuring and related charges	5	9	21	32
Interest expense	73	73	218	219
Costs and expenses	8,457	8,075	25,764	24,402
Gain on disposition of operations	1	2	4	2
Income from operations before income tax expense	765	955	1,496	2,562
Income tax expense	245	305	459	880
Net income	520	650	1,037	1,682
Preferred stock dividends	29	29	87	87
Net income applicable to common shareholders	$ 491	$ 621	$ 950	$ 1,595
Earnings per common share:
Net income available to common shareholders per common share - Basic (in dollars per share)	$ 1.32	$ 1.56	$ 2.54	$ 3.92
Weighted average common shares - Basic (in shares)	371.5	397.0	374.4	406.5
Net income available to common shareholders per common share - Diluted (in dollars per share)	$ 1.31	$ 1.54	$ 2.51	$ 3.87
Weighted average common shares - Diluted (in shares)	375.9	402.1	378.9	412.4
Cash dividends declared per common share (in dollars per share)	$ 0.33	$ 0.30	$ 0.99	$ 0.9