Consolidated Statement of Earnings (Unaudited) - 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 and casualty insurance net earned premiums	$ 1,159	$ 1,173	$ 3,184	$ 3,104
Life, accident and health net earned premiums	6	28	18	80
Net investment income	433	425	1,267	1,217
Realized gains (losses) on:
Securities	2	(16)	(32)	2
Subsidiaries	0	5	2	(157)
Income (loss) of managed investment entities:
Investment income	48	40	141	112
Gain (loss) on change in fair value of assets/liabilities	11	(11)	9	(16)
Other income	46	43	172	185
Total revenues	1,705	1,687	4,761	4,527
Costs and Expenses:
Property and casualty insurance: Losses and loss adjustment expenses	765	825	2,033	2,002
Property and casualty insurance: Commissions and other underwriting expenses	356	336	1,038	987
Annuity benefits	189	208	640	543
Life, accident and health benefits	8	31	26	96
Annuity and supplemental insurance acquisition expenses	54	49	131	156
Interest charges on borrowed money	19	18	56	58
Expenses of managed investment entities	38	28	109	80
Other expenses	98	93	258	250
Total costs and expenses	1,527	1,588	4,291	4,172
Earnings before income taxes	178	99	470	355
Provision for income taxes	65	33	190	115
Net earnings, including noncontrolling interests	113	66	280	240
Less: Net earnings attributable to noncontrolling interests	4	3	16	17
Net Earnings Attributable to Shareholders	$ 109	$ 63	$ 264	$ 223
Earnings Attributable to Shareholders per Common Share:
Basic (USD per share)	$ 1.25	$ 0.72	$ 3.04	$ 2.54
Diluted (USD per share)	$ 1.23	$ 0.71	$ 2.98	$ 2.49
Average number of Common Shares:
Basic (shares)	86.9	87.5	86.8	87.6
Diluted (shares)	88.5	89.3	88.4	89.4
Cash dividends per Common Share (USD per share)	$ 0.28	$ 0.25	$ 0.84	$ 0.75
Supplemental disclosure of Realized gains on securities:
Realized gains before impairments	$ 18	$ 19	$ 75	$ 71
Losses on securities with impairment	(16)	(35)	(106)	(69)
Non-credit portion recognized in other comprehensive income (loss)	0	0	(1)	0
Impairment charges recognized in earnings	(16)	(35)	(107)	(69)
Total realized gains (losses) on securities	$ 2	$ (16)	$ (32)	$ 2