Segments Information (Tables)

9 Months Ended

Sep. 30, 2015

Segment Reporting [Abstract]

Revenues and Income Before Income Tax of Each Operating Segment

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

	Periods Ended September 30
	Third Quarter						Nine Months
	2015			2014			2015			2014
	(in millions)
Revenues
Property and casualty insurance
Premiums earned
Personal insurance	$	1,114		$	1,118		$	3,364		$	3,296
Commercial insurance		1,390			1,338			4,077			3,943
Specialty insurance		662			663			1,964			1,972
Total insurance		3,166			3,119			9,405			9,211
Reinsurance assumed		—			—			(1	)		1
		3,166			3,119			9,404			9,212
Investment income		322			338			982			1,034
Total property and casualty insurance		3,488			3,457			10,386			10,246
Corporate and other		8			7			25			25
Realized investment gains, net		82			110			113			351
Total revenues	$	3,578		$	3,574		$	10,524		$	10,622
Income (loss) before income tax
Property and casualty insurance
Underwriting
Personal insurance	$	154		$	141		$	213		$	188
Commercial insurance		207			151			446			333
Specialty insurance		161			133			448			355
Total insurance		522			425			1,107			876
Reinsurance assumed		4			—			7			1
		526			425			1,114			877
Increase (decrease) in deferred policy acquisition costs		(1	)		14			44			48
Underwriting income		525			439			1,158			925
Investment income		310			327			949			1,004
Other charges		(4	)		—			(4	)		(4	)
Total property and casualty insurance		831			766			2,103			1,925
Corporate and other		(66	)		(58	)		(209	)		(177	)
Realized investment gains, net		82			110			113			351
Total income before income tax	$	847		$	818		$	2,007		$	2,099