Consolidated Statement of Earnings (Unaudited) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Revenues:
Property and casualty insurance premiums	$ 848	$ 835	$ 2,091	$ 2,043
Life, accident and health premiums	80	107	290	324
Investment income	327	310	981	916
Realized gains (losses) on:
Securities	85	8	145	27
Subsidiaries	156		155	(3)
Income (loss) of managed investment entities:
Investment income	31	27	92	78
Gain (loss) on change in fair value of assets/liabilities	(13)	1	(63)	(54)
Other income	49	47	135	136
Total revenues	1,563	1,335	3,826	3,467
Costs and Expenses:
Property and casualty insurance losses and loss adjustment expenses	610	549	1,317	1,303
Property and casualty insurance commissions and other underwriting expenses	254	228	697	648
Annuity benefits	140	142	417	383
Life, accident and health benefits	68	90	244	275
Annuity and supplemental insurance acquisition expenses	47	46	142	145
Interest charges on borrowed money	22	21	64	63
Expenses of managed investment entities	19	17	58	53
Other operating and general expenses	118	86	320	279
Total costs and expenses	1,278	1,179	3,259	3,149
Operating earnings before income taxes	285	156	567	318
Provision for income taxes	74	48	184	126
Net earnings, including noncontrolling interests	211	108	383	192
Less: Net earnings (loss) attributable to noncontrolling interests	(15)	11	(55)	(41)
Net Earnings Attributable to Shareholders	226	97	438	233
Earnings Attributable to Shareholders per Common Share:
Basic	$ 2.43	$ 0.97	$ 4.58	$ 2.27
Diluted	$ 2.39	$ 0.95	$ 4.50	$ 2.23
Average number of Common Shares:
Basic	92.9	99.7	95.7	102.3
Diluted	94.6	101.3	97.4	104.1
Cash dividends per Common Share	$ 0.175	$ 0.1625	$ 0.525	$ 0.4875
Supplemental disclosure of Realized gains (losses) on securities:
Realized gains before impairments	93	18	164	68
Losses on securities with impairment	(8)	(6)	(20)	(23)
Non-credit portion recognized in other comprehensive income (loss)		(4)	1	(18)
Impairment charges recognized in earnings	(8)	(10)	(19)	(41)
Total realized gains on securities	$ 85	$ 8	$ 145	$ 27