Segment Information (tables)

12 Months Ended

Dec. 31, 2013

Segment Information disclosure

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

(for the year ended December 31, in millions)	Business and International Insurance		Bond & Specialty Insurance		Personal Insurance			Total Reportable Segments
2013
Premiums	$	13,332	$	1,981	$	7,324		$	22,637
Net investment income	2,087		260		369			2,716
Fee income	395		—		—			395
Other revenues	160		20		103			283
Total operating revenues (1)	$	15,974	$	2,261	$	7,796		$	26,031
Amortization and depreciation	$	2,751	$	473	$	1,461		$	4,685
Income tax expense	758		227		366			1,351
Operating income (1)	2,404		573		838			3,815
2012
Premiums	$	12,779	$	1,957	$	7,621		$	22,357
Net investment income	2,205		280		404			2,889
Fee income	323		—		—			323
Other revenues	41		25		66			132
Total operating revenues (1)	$	15,348	$	2,262	$	8,091		$	25,701
Amortization and depreciation	$	2,654	$	470	$	1,602		$	4,726
Income tax expense	580		214		32			826
Operating income (1)	1,981		504		217			2,702
2011
Premiums	$	12,545	$	1,956	$	7,589		$	22,090
Net investment income	2,173		282		424			2,879
Fee income	296		—		—			296
Other revenues	31		26		70			127
Total operating revenues (1)	$	15,045	$	2,264	$	8,083		$	25,392
Amortization and depreciation	$	2,593	$	460	$	1,615		$	4,668
Income tax expense (benefit)	161		203		(293		)	71
Operating income (loss) (1)	1,456		545		(332		)	1,669

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

Net written premiums by market [Table Text Block]

(for the year ended December 31, in millions)	2013		2012		2011
Business and International Insurance:
Domestic:
Select Accounts	$	2,724	$	2,775	$	2,784
Middle Market	5,862		5,654		5,303
National Accounts	1,010		907		782
First Party	1,552		1,436		1,362
Specialized Distribution	1,085		1,100		1,109
Total Domestic	12,233		11,872		11,340
International	1,279		1,057		1,149
Total Business and International Insurance	13,512		12,929		12,489
Bond & Specialty Insurance	2,030		1,924		1,953
Personal Insurance:
Automobile	3,370		3,642		3,788
Homeowners and Other	3,855		3,952		3,957
Total Personal Insurance	7,225		7,594		7,745
Total consolidated net written premiums	$	22,767	$	22,447	$	22,187

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

(for the year ended December 31, in millions)	2013			2012			2011
Revenue reconciliation
Earned premiums
Business and International Insurance:
Domestic:
Workers’ compensation	$	3,560		$	3,222		$	2,899
Commercial automobile	1,904			1,943			1,940
Commercial property	1,698			1,621			1,607
General liability	1,790			1,757			1,738
Commercial multi-peril	3,093			3,113			3,126
Other	39			35			17
Total Domestic	12,084			11,691			11,327
International	1,248			1,088			1,218
Total Business and International Insurance	13,332			12,779			12,545
Bond & Specialty Insurance:
Fidelity and surety	913			939			970
General liability	891			850			832
Other	177			168			154
Total Bond & Specialty Insurance	1,981			1,957			1,956
Personal Insurance:
Automobile	3,431			3,665			3,720
Homeowners and Other	3,893			3,956			3,869
Total Personal Insurance	7,324			7,621			7,589
Total earned premiums	22,637			22,357			22,090
Net investment income	2,716			2,889			2,879
Fee income	395			323			296
Other revenues	283			132			127
Total operating revenues for reportable segments	26,031			25,701			25,392
Other revenues	(6		)	(12		)	(1		)
Net realized investment gains	166			51			55
Total consolidated revenues	$	26,191		$	25,740		$	25,446
Income reconciliation, net of tax
Total operating income for reportable segments	$	3,815		$	2,702		$	1,669
Interest Expense and Other (1)	(248		)	(261		)	(279		)
Total operating income	3,567			2,441			1,390
Net realized investment gains	106			32			36
Total consolidated net income	$	3,673		$	2,473		$	1,426

(1) The primary component of Interest Expense and Other was after-tax interest expense of $235 million, $246 million and $251 million in 2013, 2012 and 2011, respectively.

Asset reconciliation [Table Text Block]

(at December 31, in millions)	2013		2012
Asset reconciliation:
Business and International Insurance	$	82,789	$	82,191
Bond & Specialty Insurance		7,648		8,233
Personal Insurance		12,870		14,195
Total assets for reportable segments		103,307		104,619
Other assets(1)		505		319
Total consolidated assets	$	103,812	$	104,938

(1)

The primary components of other assets at December 31, 2013 were other intangible assets and accrued over-funded benefit plan assets related to the Company's qualified domestic pension plan. The primary component of other assets at December 31, 2012 was other intangible assets.

Revenues of the Company's operations based on location [Table Text Block]

(for the year ended December 31, in millions)	2013		2012		2011
U.S.	$	25,138	$	24,827	$	24,408
Non-U.S.		1,053		913		1,038
Total revenues	$	26,191	$	25,740	$	25,446