Consolidated Statement of Earnings (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Revenues:
Property and casualty insurance net earned premiums	$ 1,173	$ 1,132	$ 3,104	$ 2,817
Life, accident and health net earned premiums	28	27	80	82
Net investment income	425	377	1,217	1,117
Realized gains (losses) on:
Securities	(16)	13	2	44
Subsidiaries	5	0	(157)	0
Income (loss) of managed investment entities:
Investment income	40	29	112	84
Loss on change in fair value of assets/liabilities	(11)	(25)	(16)	(35)
Other income	40	28	177	75
Total revenues	1,684	1,581	4,519	4,184
Costs and Expenses:
Property and casualty insurance: Losses and loss adjustment expenses	825	784	2,002	1,815
Property and casualty insurance: Commissions and other underwriting expenses	336	302	987	869
Annuity benefits	208	157	543	491
Life, accident and health benefits	31	37	96	119
Annuity and supplemental insurance acquisition expenses	46	46	148	122
Interest charges on borrowed money	18	18	57	53
Expenses of managed investment entities	28	19	80	60
Other expenses	93	73	251	219
Total costs and expenses	1,585	1,436	4,164	3,748
Earnings before income taxes	99	145	355	436
Provision for income taxes	33	54	115	155
Net earnings, including noncontrolling interests	66	91	240	281
Less: Net earnings (loss) attributable to noncontrolling interests	3	(25)	17	(44)
Net Earnings Attributable to Shareholders	$ 63	$ 116	$ 223	$ 325
Earnings Attributable to Shareholders per Common Share:
Basic (USD per share)	$ 0.72	$ 1.30	$ 2.54	$ 3.64
Diluted (USD per share)	$ 0.71	$ 1.28	$ 2.49	$ 3.56
Average number of Common Shares:
Basic (shares)	87.5	89.0	87.6	89.4
Diluted (shares)	89.3	90.9	89.4	91.4
Cash dividends per Common Share (USD per share)	$ 0.250	$ 0.22	$ 0.75	$ 0.66
Supplemental disclosure of Realized gains on securities:
Realized gains before impairments	$ 19	$ 24	$ 71	$ 57
Losses on securities with impairment	(35)	(11)	(69)	(13)
Non-credit portion recognized in other comprehensive income (loss)	0	0	0	0
Impairment charges recognized in earnings	(35)	(11)	(69)	(13)
Total realized gains (losses) on securities	$ (16)	$ 13	$ 2	$ 44