Segments Information (Tables)

9 Months Ended

Sep. 30, 2011

Segments Information [Abstract]

Revenues and income before income tax of each operating segment

	Periods Ended September 30
	Third Quarter						Nine Months
	2011			2010			2011			2010
	(in millions)
Revenues
Property and casualty insurance Premiums earned
Personal insurance	$	987		$	942		$	2,924		$	2,800
Commercial insurance		1,249			1,159			3,692			3,475
Specialty insurance		693			694			2,077			2,093
Total insurance		2,929			2,795			8,693			8,368
Reinsurance assumed		3			3			6			11
		2,932			2,798			8,699			8,379
Investment income		404			398			1,200			1,187
Total property and casualty insurance		3,336			3,196			9,899			9,566
Corporate and other		13			17			41			71
Realized investment gains, net		71			54			300			271
Total revenues	$	3,420		$	3,267		$	10,240		$	9,908
Income (loss) before income tax
Property and casualty insurance Underwriting
Personal insurance	$	(168	)	$	125		$	(84	)	$	143
Commercial insurance		8			151			(90	)		262
Specialty insurance		89			123			368			404
Total insurance		(71	)		399			194			809
Reinsurance assumed		11			7			26			21
		(60	)		406			220			830
Increase (decrease) in deferred policy acquisition costs		13			(7	)		70			36
Underwriting income (loss)		(47	)		399			290			866
Investment income		396			390			1,171			1,162
Other income (charges)		8			(2	)		24			(5	)
Total property and casualty insurance		357			787			1,485			2,023
Corporate and other loss		(62	)		(57	)		(188	)		(160	)
Realized investment gains, net		71			54			300			271
Total income before income tax	$	366		$	784		$	1,597		$	2,134