Segments Information (Tables)

12 Months Ended

Dec. 31, 2013

Segment Reporting [Abstract]

Revenues, Income Before Income Tax and Assets of Each Operating Segment

Revenues, income before income tax and assets of each operating segment were as follows:

	Years Ended December 31
	2013			2012			2011
	(in millions)
Revenues
Property and casualty insurance
Premiums earned
Personal insurance	$	4,214		$	4,024		$	3,917
Commercial insurance		5,237			5,144			4,945
Specialty insurance		2,618			2,666			2,769
Total insurance		12,069			11,834			11,631
Reinsurance assumed		(3	)		4			13
		12,066			11,838			11,644
Investment income		1,436			1,518			1,598
Total property and casualty insurance		13,502			13,356			13,242
Corporate and other		43			46			55
Realized investment gains, net		402			193			288
Total revenues	$	13,947		$	13,595		$	13,585
Income (loss) before income tax
Property and casualty insurance
Underwriting
Personal insurance	$	509		$	192		$	47
Commercial insurance		692			44			1
Specialty insurance		406			262			427
Total insurance		1,607			498			475
Reinsurance assumed		9			47			36
		1,616			545			511
Increase in deferred policy acquisition costs		59			3			63
Underwriting income		1,675			548			574
Investment income		1,391			1,482			1,562
Other income		6			10			21
Total property and casualty insurance		3,072			2,040			2,157
Corporate and other		(237	)		(237	)		(246	)
Realized investment gains, net		402			193			288
Total income before income tax	$	3,237		$	1,996		$	2,199

	December 31
	2013			2012			2011
	(in millions)
Assets
Property and casualty insurance	$	48,278		$	49,441		$	48,017
Corporate and other		2,248			2,830			2,513
Adjustments and eliminations		(93	)		(87	)		(85	)
Total assets	$	50,433		$	52,184		$	50,445

Revenues of Property and Casualty Group by Geographic Area

Revenues of the P&C Group by geographic area were as follows:

	Years Ended December 31
	2013		2012		2011
	(in millions)
Revenues
United States	$	10,205	$	9,996	$	9,831
International		3,297		3,360		3,411
Total	$	13,502	$	13,356	$	13,242