Segment information (Tables)

12 Months Ended

Dec. 31, 2016



For the Year Ended December 31, 2016 (in millions of U.S. dollars)	North America Commercial P&C Insurance			North America Personal P&C Insurance		North America Agricultural Insurance			Overseas General Insurance			Global Reinsurance			Life Insurance			Corporate			Chubb Consolidated
Net premiums written	$	11,740		$	4,153	$	1,328		$	8,124		$	676		$	2,124		$	—		$	28,145
Net premiums earned	12,217			4,319		1,316			8,132			710			2,055			—			28,749
Losses and loss expenses	7,439			2,558		893			4,005			325			663			169			16,052
Policy benefits	—			—		—			—			—			588			—			588
Policy acquisition costs	2,023			966		83			2,136			187			509			—			5,904
Administrative expenses	1,125			363		(6		)	1,057			52			307			183			3,081
Underwriting income (loss)	1,630			432		346			934			146			(12		)	(352		)	3,124
Net investment income	1,860			207		20			600			263			283			(368		)	2,865
Other (income) expense	(2		)	6		1			(11		)	(4		)	5			(217		)	(222		)
Amortization expense (benefit) of purchased intangibles	—			19		29			48			—			3			(80		)	19
Segment income (loss)	3,492			614		336			1,497			413			263			(423		)	6,192
Net realized gains (losses) including OTTI																		(145		)	(145		)
Interest expense																		605			605
Chubb integration expenses																		492			492
Income tax expense																		815			815
Net income (loss)																		$	(2,480	)	$	4,135



For the Year Ended December 31, 2015 (in millions of U.S. dollars)	North America Commercial P&C Insurance			North America Personal P&C Insurance		North America Agricultural Insurance		Overseas General Insurance			Global Reinsurance			Life Insurance		Corporate			Chubb Consolidated
Net premiums written	$	5,715		$	1,192	$	1,346	$	6,634		$	828		$	1,998	$	—		$	17,713
Net premiums earned	5,634			948		1,364		6,471			849			1,947		—			17,213
Losses and loss expenses	3,661			590		1,088		3,052			290			601		202			9,484
Policy benefits	—			—		—		—			—			543		—			543
Policy acquisition costs	531			69		69		1,581			214			476		1			2,941
Administrative expenses	621			123		1		997			49			291		188			2,270
Underwriting income (loss)	821			166		206		841			296			36		(391		)	1,975
Net investment income	1,032			25		23		534			300			265		15			2,194
Other (income) expense	(7		)	2		1		(17		)	(6		)	23		(47		)	(51		)
Amortization expense of purchased intangibles	—			78		30		61			—			2		—			171
Segment income (loss)	1,860			111		198		1,331			602			276		(329		)	4,049
Net realized gains (losses) including OTTI																(420		)	(420		)
Interest expense																300			300
Chubb integration expense																33			33
Income tax expense																462			462
Net income (loss)																$	(1,544	)	$	2,834



For the Year Ended December 31, 2014 (in millions of U.S. dollars)	North America Commercial P&C Insurance			North America Personal P&C Insurance		North America Agricultural Insurance		Overseas General Insurance			Global Reinsurance			Life Insurance		Corporate			Chubb Consolidated
Net premiums written	$	5,685		$	578	$	1,590	$	6,999		$	935		$	2,012	$	—		$	17,799
Net premiums earned	5,547			560		1,526		6,805			1,026			1,962		—			17,426
Losses and loss expenses	3,476			368		1,351		3,189			431			589		245			9,649
Policy benefits	—			—		—		—			—			517		—			517
Policy acquisition costs	518			116		81		1,625			257			478		—			3,075
Administrative expenses	599			74		9		1,026			54			285		198			2,245
Underwriting income (loss)	954			2		85		965			284			93		(443		)	1,940
Net investment income	1,060			22		26		545			316			268		15			2,252
Other (income) expense	(12		)	1		2		(18		)	(4		)	3		(162		)	(190		)
Amortization expense of purchased intangibles	—			—		31		74			—			3		—			108
Segment income (loss)	2,026			23		78		1,454			604			355		(266		)	4,274
Net realized gains (losses) including OTTI																(507		)	(507		)
Interest expense																280			280
Income tax expense																634			634
Net income (loss)																$	(1,687	)	$	2,853

The following table presents net premiums earned for each segment by line of business:




	For the Year Ended December 31
(in millions of U.S. dollars)	2016		2015		2014
North America Commercial P&C Insurance
Property & other short-tail lines	$	1,963	$	1,040	$	1,113
Casualty & all other	9,552		4,175		4,021
A&H	702		419		413
Total North America Commercial P&C Insurance	12,217		5,634		5,547
North America Personal P&C Insurance
Personal automobile	699		186		130
Personal homeowners	3,007		579		309
Personal other	613		183		121
Total North America Personal P&C Insurance	4,319		948		560
North America Agricultural Insurance	1,316		1,364		1,526
Overseas General Insurance
Property & other short-tail lines	2,133		1,833		1,892
Casualty & all other	2,177		1,361		1,425
Personal lines	1,626		1,211		1,204
A&H	2,196		2,066		2,284
Total Overseas General Insurance	8,132		6,471		6,805
Global Reinsurance
Property & other short-tail lines	118		155		246
Property catastrophe	185		219		253
Casualty & all other	407		475		527
Total Global Reinsurance	710		849		1,026
Life Insurance
Life	1,002		931		981
A&H	1,053		1,016		981
Total Life Insurance	2,055		1,947		1,962
Total net premiums earned	$	28,749	$	17,213	$	17,426