Segment Information (tables)

3 Months Ended

Mar. 31, 2013

Segment Information disclosure

Company's revenues and operating income by segment [Table Text Block]

(for the three monthsended March 31,in millions)	BusinessInsurance		Financial, Professional & International Insurance		PersonalInsurance		TotalReportableSegments
2013
Premiums	$	2,942	$	735	$	1,840	$	5,517
Net investment income	487		92		91		670
Fee income	97		—		—		97
Other revenues	13		5		18		36
Total operating revenues (1)	$	3,539	$	832	$	1,949	$	6,320
Operating income (1)	$	590	$	163	$	197	$	950
2012
Premiums	$	2,876	$	737	$	1,910	$	5,523
Net investment income	532		104		104		740
Fee income	82		—		—		82
Other revenues	14		8		19		41
Total operating revenues (1)	$	3,504	$	849	$	2,033	$	6,386
Operating income (1)	$	612	$	149	$	108	$	869

(1) Operating revenues for reportable business segments exclude net realized investment gains (losses). Operating income for reportable business segments equals net income excluding the after-tax impact of net realized investment gains (losses).

Business segment reconciliations of revenue and income, net of tax [Table Text Block]

	Three Months Ended March 31,
(in millions)	2013			2012
Revenue reconciliation
Earned premiums
Business Insurance:
Workers’ compensation	$	847		$	783
Commercial automobile	475			486
Commercial property	409			392
General liability	437			432
Commercial multi-peril	765			775
Other	9			8
Total Business Insurance	2,942			2,876
Financial, Professional & International Insurance:
Fidelity and surety	220			223
General liability	213			207
International	258			266
Other	44			41
Total Financial, Professional & International Insurance	735			737
Personal Insurance:
Automobile	872			928
Homeowners and other	968			982
Total Personal Insurance	1,840			1,910
Total earned premiums	5,517			5,523
Net investment income	670			740
Fee income	97			82
Other revenues	36			41
Total operating revenues for reportable segments	6,320			6,386
Other revenues	(2		)	(4		)
Net realized investment gains	10			10
Total consolidated revenues	$	6,328		$	6,392
Income reconciliation, net of tax
Total operating income for reportable segments	$	950		$	869
Interest Expense and Other (1)	(63		)	(68		)
Total operating income	887			801
Net realized investment gains	9			5
Total consolidated net income	$	896		$	806

(1)  The primary component of Interest Expense and Other was after-tax interest expense of $60 million and $62 million in the three months ended March 31, 2013 and 2012, respectively.

Asset reconciliation [Table Text Block]

(in millions)	March 31,2013		December 31,2012
Asset reconciliation:
Business Insurance	$	76,583	$	76,972
Financial, Professional & International Insurance	13,318		13,452
Personal Insurance	13,684		14,195
Total assets for reportable segments	103,585		104,619
Other assets (1)	312		319
Total consolidated assets	$	103,897	$	104,938

(1) The primary component of other assets at both dates was other intangible assets.