Segment information (Tables)

6 Months Ended

Jun. 30, 2012

Operations By Segment

Statement of Operations by Segment

For the Three Months Ended June 30, 2012

(in millions of U.S. dollars)

	Insurance – North American		Insurance – Overseas General		Global Reinsurance			Life			Corporate and Other			ACE Consolidated
Net premiums written	$	1,860	$	1,475	$	309		$	486		$	—		$	4,130
Net premiums earned		1,652		1,420		237			474			—			3,783
Losses and loss expenses		1,163		703		102			151			—			2,119
Policy benefits		—		—		—			102			—			102
Policy acquisition costs		157		332		42			88			—			619
Administrative expenses		153		233		13			78			37			514
Underwriting income (loss)		179		152		80			55			(37	)		429
Net investment income		271		128		70			62			6			537
Net realized gains (losses) including OTTI		18		26		(17	)		(421	)		—			(394	)
Interest expense		3		1		1			3			54			62
Other (income) expense:
(Gains) losses from fair value changes in separate account assets		—		—		—			14			—			14
Other		10		6		3			5			(4	)		20
Income tax expense (benefit)		107		51		—			19			(29	)		148
Net income (loss)	$	348	$	248	$	129		$	(345	)	$	(52	)	$	328

Statement of Operations by Segment

For the Three Months Ended June 30, 2011

(in millions of U.S. dollars)

	Insurance – North American		Insurance – Overseas General			Global Reinsurance			Life			Corporate and Other			ACE Consolidated
Net premiums written	$	1,735	$	1,443		$	282		$	493		$	—		$	3,953
Net premiums earned		1,604		1,415			254			484			—			3,757
Losses and loss expenses		1,233		721			112			159			1			2,226
Policy benefits		—		—			—			108			—			108
Policy acquisition costs		145		335			47			85			—			612
Administrative expenses		147		239			14			78			40			518
Underwriting income (loss)		79		120			81			54			(41	)		293
Net investment income		300		137			71			60			1			569
Net realized gains (losses) including OTTI		21		(10	)		(14	)		(68	)		(2	)		(73	)
Interest expense		3		1			1			3			54			62
Other (income) expense		3		(5	)		1			11			2			12
Income tax expense (benefit)		95		39			8			14			(35	)		121
Net income (loss)	$	299	$	212		$	128		$	18		$	(63	)	$	594

Statement of Operations by Segment

For the Six Months Ended June 30, 2012

(in millions of U.S. dollars)

	Insurance – North American		Insurance – Overseas General		Global Reinsurance			Life			Corporate and Other			ACE Consolidated
Net premiums written	$	3,153	$	3,003	$	572		$	974		$	—		$	7,702
Net premiums earned		2,939		2,811		467			947			—			7,164
Losses and loss expenses		2,012		1,408		204			299			—			3,923
Policy benefits		—		—		—			249			—			249
Policy acquisition costs		284		667		85			164			1			1,201
Administrative expenses		300		462		25			156			81			1,024
Underwriting income (loss)		343		274		153			79			(82	)		767
Net investment income		545		259		141			123			13			1,081
Net realized gains (losses) including OTTI		17		46		(4	)		(190	)		(3	)		(134	)
Interest expense		6		2		2			6			108			124
Other (income) expense:
(Gains) losses from fair value changes in separate account assets		—		—		—			(4	)		—			(4	)
Other		9		6		(2	)		14			8			35
Income tax expense (benefit)		198		89		6			30			(65	)		258
Net income (loss)	$	692	$	482	$	284		$	(34	)	$	(123	)	$	1,301

Statement of Operations by Segment

For the Six Months Ended June 30, 2011

(in millions of U.S. dollars)

	Insurance – North American			Insurance – Overseas General			Global Reinsurance			Life			Corporate and Other			ACE Consolidated
Net premiums written	$	3,020		$	2,853		$	597		$	929		$	—		$	7,399
Net premiums earned		2,950			2,693			514			909			—			7,066
Losses and loss expenses		2,227			1,573			391			297			1			4,489
Policy benefits		—			—			—			199			—			199
Policy acquisition costs		281			636			93			161			—			1,171
Administrative expenses		295			462			26			152			82			1,017
Underwriting income (loss)		147			22			4			100			(83	)		190
Net investment income		595			268			143			106			1			1,113
Net realized gains (losses) including OTTI		10			(19	)		(27	)		(81	)		(1	)		(118	)
Interest expense		7			2			1			6			109			125
Other (income) expense		(13	)		(7	)		(5	)		17			7			(1	)
Income tax expense (benefit)		184			56			18			28			(69	)		217
Net income (loss)	$	574		$	220		$	106		$	74		$	(130	)	$	844

Net Premiums Earned For Segment By Product

	Property & All Other		Casualty		Life, Accident & Health		ACE Consolidated
	(in millions of U.S. dollars)
For the Three Months Ended June 30, 2012
Insurance – North American	$	731	$	828	$	93	$	1,652
Insurance – Overseas General		552		338		530		1,420
Global Reinsurance		114		123		—		237
Life		—		—		474		474
	$	1,397	$	1,289	$	1,097	$	3,783
For the Three Months Ended June 30, 2011
Insurance – North American	$	648	$	865	$	91	$	1,604
Insurance – Overseas General		533		348		534		1,415
Global Reinsurance		115		139		—		254
Life		—		—		484		484
	$	1,296	$	1,352	$	1,109	$	3,757

	Property & All Other		Casualty		Life, Accident & Health		ACE Consolidated
	(in millions of U.S. dollars)
For the Six Months Ended June 30, 2012
Insurance – North American	$	1,112	$	1,645	$	182	$	2,939
Insurance – Overseas General		1,090		671		1,050		2,811
Global Reinsurance		224		243		—		467
Life		—		—		947		947
	$	2,426	$	2,559	$	2,179	$	7,164
For the Six Months Ended June 30, 2011
Insurance – North American	$	1,018	$	1,755	$	177	$	2,950
Insurance – Overseas General		964		690		1,039		2,693
Global Reinsurance		227		287		—		514
Life		—		—		909		909
	$	2,209	$	2,732	$	2,125	$	7,066