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 Insurance		Financial, Professional & International Insurance		Personal Insurance			Total Reportable Segments
2013
Premiums	$	12,084	$	3,229	$	7,324		$	22,637
Net investment income		1,975		372		369			2,716
Fee income		393		2		—			395
Other revenues		158		22		103			283
Total operating revenues(1)	$	14,610	$	3,625	$	7,796		$	26,031
Amortization and depreciation	$	2,445	$	779	$	1,461		$	4,685
Income tax expense		740		245		366			1,351
Operating income(1)		2,329		648		838			3,815
2012
Premiums	$	11,691	$	3,045	$	7,621		$	22,357
Net investment income		2,090		395		404			2,889
Fee income		322		1		—			323
Other revenues		40		26		66			132
Total operating revenues(1)	$	14,143	$	3,467	$	8,091		$	25,701
Amortization and depreciation	$	2,393	$	731	$	1,602		$	4,726
Income tax expense		539		255		32			826
Operating income(1)		1,843		642		217			2,702
2011
Premiums	$	11,327	$	3,174	$	7,589		$	22,090
Net investment income		2,041		414		424			2,879
Fee income		295		1		—			296
Other revenues		31		26		70			127
Total operating revenues(1)	$	13,694	$	3,615	$	8,083		$	25,392
Amortization and depreciation	$	2,313	$	740	$	1,615		$	4,668
Income tax expense (benefit)		134		230		(293	)		71
Operating income (loss)(1)		1,354		647		(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 Insurance:
Select Accounts	$	2,724	$	2,775		$	2,784
Commercial Accounts		3,197		3,101			2,890
National Accounts		1,010		907			782
Industry-Focused Underwriting		2,645		2,554			2,407
Target Risk Underwriting		1,799		1,666			1,587
Specialized Distribution		858		870			880
Total Business Insurance Core		12,233		11,873			11,330
Business Insurance Other		—		(1	)		10
Total Business Insurance		12,233		11,872			11,340
Financial, Professional & International Insurance:
Bond & Financial Products		2,030		1,924			1,953
International		1,279		1,057			1,149
Total Financial, Professional & International Insurance		3,309		2,981			3,102
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 Insurance:
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 Business Insurance		12,084			11,691			11,327
Financial, Professional & International Insurance:
Fidelity and surety		913			939			970
General liability		891			850			832
International		1,248			1,088			1,218
Other		177			168			154
Total Financial, Professional & International Insurance		3,229			3,045			3,174
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 Insurance	$	73,746	$	76,972
Financial, Professional & International Insurance		16,691		13,452
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