Segments of Operations (Tables)

12 Months Ended

Dec. 31, 2011

Segments of Operations [Abstract]

Segment Reporting Information, by Segment

	2011			2010			2009
Assets
Property and casualty insurance (a)	$	11,882		$	11,609		$	11,863
Annuity and supplemental insurance		20,451			17,766			15,476
Other		3,709			3,079			344
Total assets	$	36,042		$	32,454		$	27,683
Revenues
Property and casualty insurance:
Premiums earned:
Specialty
Property and transportation	$	1,412		$	1,167		$	909
Specialty casualty		872			873			917
Specialty financial		408			446			517
Other		67			64			69
Total premiums earned		2,759			2,550			2,412
Investment income		296			341			414
Realized gains (losses)		97			88			123
Other income		65			64			106
Total property and casualty insurance		3,217			3,043			3,055
Annuity and supplemental insurance:
Investment income		944			856			784
Life, accident and health premiums		430			451			444
Realized gains (losses)		(23	)		—			(86	)
Other income		104			110			114
Total annuity and supplemental insurance		1,455			1,417			1,256
Other		78			37			9
Total revenues	$	4,750		$	4,497		$	4,320
Operating Earnings Before Income Taxes
Property and casualty insurance:
Underwriting:
Specialty
Property and transportation	$	113		$	140		$	236
Specialty casualty		39			47			63
Specialty financial		61			112			134
Other		18			9			(9	)
Other lines (b)		(51	)		(12	)		(7	)
Total underwriting		180			296			417
Investment and other income, net		263			299			338
Realized gains (losses)		97			88			123
Total property and casualty insurance		540			683			878
Annuity and supplemental insurance:
Operations		224			202			162
Realized gains (losses)		(23	)		—			(86	)
Total annuity and supplemental insurance		201			202			76
Other (c)		(181	)		(196	)		(142	)
Total operating earnings before income taxes	$	560		$	689		$	812

(a)	Not allocable to sub-segments.
(b)	Includes a second quarter 2011 special charge of $50 million to increase asbestos and environmental reserves.
(c)	Includes holding company expenses, a second quarter 2011 special charge of $9 million to increase asbestos and environmental reserves and $24 million and $64 million in losses of managed investment entities attributable to noncontrolling interests for the years ended December 31, 2011 and 2010, respectively.