CONSOLIDATED STATEMENTS OF INCOME (USD $) In Millions, except Per Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Revenues
Premiums Earned	$ 2,932	$ 2,798	$ 8,699	$ 8,379
Investment Income	415	412	1,235	1,248
Other Revenues	2	3	6	10
Realized Investment Gains (Losses), Net
Total Other-Than-Temporary Impairment Losses on Investments	(6)	0	(22)	(6)
Other-Than-Temporary Impairment Losses on Investments Recognized in Other Comprehensive Income	(1)	0	(1)	(3)
Other Realized Investment Gains, Net	78	54	323	280
Total Realized Investment Gains, Net	71	54	300	271
Total Revenues	3,420	3,267	10,240	9,908
Losses and Expenses
Losses and Loss Expenses	2,054	1,522	5,666	4,912
Amortization of Deferred Policy Acquisition Costs	817	774	2,408	2,279
Other Insurance Operating Costs and Expenses	100	105	311	327
Investment Expenses	8	9	31	27
Other Expenses	2	3	7	11
Corporate Expenses	73	70	220	218
Total Losses and Expenses	3,054	2,483	8,643	7,774
Income Before Federal and Foreign Income Tax	366	784	1,597	2,134
Federal and Foreign Income Tax	68	212	371	580
Net Income	$ 298	$ 572	$ 1,226	$ 1,554
Net Income Per Share
Basic	$ 1.04	$ 1.82	$ 4.19	$ 4.80
Diluted	$ 1.04	$ 1.80	$ 4.16	$ 4.76
Dividends Declared Per Share	$ 0.39	$ 0.37	$ 1.17	$ 1.11