Segments Information (Tables)

6 Months Ended

Jun. 30, 2012

Segments Information [Abstract]

Revenues and income before income tax of each operating segment

	Periods Ended June 30
	Second Quarter						Six Months
	2012			2011			2012			2011
	(in millions)
Revenues
Property and casualty insurance
Premiums earned
Personal insurance	$	1,014		$	980		$	2,004		$	1,937
Commercial insurance		1,305			1,234			2,591			2,443
Specialty insurance		664			697			1,336			1,384
Total insurance		2,983			2,911			5,931			5,764
Reinsurance assumed		—			2			3			3
		2,983			2,913			5,934			5,767
Investment income		381			405			772			796
Total property and casualty insurance		3,364			3,318			6,706			6,563
Corporate and other		12			13			24			28
Realized investment gains, net		47			69			103			229
Total revenues	$	3,423		$	3,400		$	6,833		$	6,820
Income (loss) before income tax
Property and casualty insurance
Underwriting
Personal insurance	$	58		$	3		$	219		$	84
Commercial insurance		18			(54	)		69			(98	)
Specialty insurance		65			144			131			279
Total insurance		141			93			419			265
Reinsurance assumed		8			10			19			15
		149			103			438			280
Increase in deferred policy acquisition costs		10			32			24			57
Underwriting income		159			135			462			337
Investment income		373			394			753			775
Other income		6			11			5			16
Total property and casualty insurance		538			540			1,220			1,128
Corporate and other loss		(58	)		(63	)		(117	)		(126	)
Realized investment gains, net		47			69			103			229
Total income before income tax	$	527		$	546		$	1,206		$	1,231