Segment information (Tables)

6 Months Ended

Jun. 30, 2014

Segment Reporting [Abstract]

Operations By Segment

For the Three Months Ended June 30, 2014	Insurance – North American P&C			Insurance – North American Agriculture		Insurance – Overseas General		Global Reinsurance			Life			Corporate			ACE Consolidated
(in millions of U.S. dollars)
Net premiums written	$	1,635		$	388	$	1,760	$	278		$	498		$	—		$	4,559
Net premiums earned	1,542			330		1,709		261			490			—			4,332
Losses and loss expenses	1,016			287		830		109			146			—			2,388
Policy benefits	—			—		—		—			144			—			144
Policy acquisition costs	152			23		402		60			121			—			758
Administrative expenses	175			1		256		14			73			47			566
Underwriting income (loss)	199			19		221		78			6			(47		)	476
Net investment income	265			6		136		80			66			3			556
Net realized gains (losses) including OTTI	(11		)	8		14		(15		)	(72		)	3			(73		)
Interest expense	2			—		1		2			3			64			72
Other (income) expense:
(Gains) losses from fair value changes in separate account assets	—			—		—		—			(17		)	—			(17		)
Other	(24		)	9		8		(10		)	4			5			(8		)
Income tax expense (benefit)	91			5		55		10			12			(40		)	133
Net income (loss)	$	384		$	19	$	307	$	141		$	(2	)	$	(70	)	$	779

For the Three Months Ended June 30, 2013	Insurance – North American P&C			Insurance – North American Agriculture		Insurance – Overseas General		Global Reinsurance		Life		Corporate			ACE Consolidated
(in millions of U.S. dollars)
Net premiums written	$	1,529		$	453	$	1,630	$	292	$	487	$	—		$	4,391
Net premiums earned	1,428			351		1,563		245		480		—			4,067
Losses and loss expenses	950			293		768		93		145		1			2,250
Policy benefits	—			—		—		—		110		—			110
Policy acquisition costs	142			20		360		48		95		—			665
Administrative expenses	159			3		251		12		86		53			564
Underwriting income (loss)	177			35		184		92		44		(54		)	478
Net investment income	250			7		136		71		63		7			534
Net realized gains (losses) including OTTI	28			1		8		31		36		—			104
Interest expense	3			—		2		1		4		63			73
Other (income) expense:
(Gains) losses from fair value changes in separate account assets	—			—		—		—		11		—			11
Other	(10		)	8		17		2		3		6			26
Income tax expense (benefit)	91			8		50		7		10		(51		)	115
Net income (loss)	$	371		$	27	$	259	$	184	$	115	$	(65	)	$	891

For the Six Months Ended June 30, 2014	Insurance – North American P&C			Insurance – North American Agriculture			Insurance – Overseas General		Global Reinsurance			Life			Corporate			ACE Consolidated
(in millions of U.S. dollars)
Net premiums written	$	3,053		$	582		$	3,531	$	586		$	992		$	—		$	8,744
Net premiums earned	3,029			433			3,321		545			974			—			8,302
Losses and loss expenses	1,956			413			1,647		235			297			1			4,549
Policy benefits	—			—			—		—			258			—			258
Policy acquisition costs	311			28			788		127			232			—			1,486
Administrative expenses	336			2			506		28			141			88			1,101
Underwriting income (loss)	426			(10		)	380		155			46			(89		)	908
Net investment income	535			13			268		157			130			6			1,109
Net realized gains (losses) including OTTI	(20		)	6			4		(23		)	(148		)	4			(177		)
Interest expense	5			—			2		3			6			127			143
Other (income) expense:
(Gains) losses from fair value changes in separate account assets	—			—			—		—			(11		)	—			(11		)
Other	(44		)	17			2		(29		)	11			12			(31		)
Income tax expense (benefit)	174			(2		)	92		20			22			(80		)	226
Net income (loss)	$	806		$	(6	)	$	556	$	295		$	—		$	(138	)	$	1,513

For the Six Months Ended June 30, 2013	Insurance – North American P&C			Insurance – North American Agriculture		Insurance – Overseas General		Global Reinsurance			Life		Corporate			ACE Consolidated
(in millions of U.S. dollars)
Net premiums written	$	2,813		$	566	$	3,250	$	571		$	989	$	—		$	8,189
Net premiums earned	2,766			403		3,022		492			957		—			7,640
Losses and loss expenses	1,828			325		1,515		199			302		7			4,176
Policy benefits	—			—		—		—			241		—			241
Policy acquisition costs	285			24		699		96			175		—			1,279
Administrative expenses	284			8		487		24			171		104			1,078
Underwriting income (loss)	369			46		321		173			68		(111		)	866
Net investment income	501			13		268		143			126		14			1,065
Net realized gains (losses) including OTTI	54			1		42		51			163		(1		)	310
Interest expense	1			—		3		2			8		119			133
Other (income) expense:
(Gains) losses from fair value changes in separate account assets	—			—		—		—			7		—			7
Other	(25		)	16		16		(6		)	3		16			20
Income tax expense (benefit)	185			10		96		15			23		(92		)	237
Net income (loss)	$	763		$	34	$	516	$	356		$	316	$	(141	)	$	1,844

Net Premiums Earned For Segment By Product

(in millions of U.S. dollars)	Property & All Other		Casualty		Life, Accident & Health		ACE Consolidated
For the Three Months Ended June 30, 2014
Insurance – North American P&C	$	423	$	1,018	$	101	$	1,542
Insurance – North American Agriculture	330		—		—		330
Insurance – Overseas General	727		395		587		1,709
Global Reinsurance	132		129		—		261
Life	—		—		490		490
	$	1,612	$	1,542	$	1,178	$	4,332
For the Three Months Ended June 30, 2013
Insurance – North American P&C	$	368	$	967	$	93	$	1,428
Insurance – North American Agriculture	351		—		—		351
Insurance – Overseas General	658		374		531		1,563
Global Reinsurance	132		113		—		245
Life	—		—		480		480
	$	1,509	$	1,454	$	1,104	$	4,067
(in millions of U.S. dollars)	Property & All Other		Casualty		Life, Accident & Health		ACE Consolidated
For the Six Months Ended June 30, 2014
Insurance – North American P&C	$	828	$	1,999	$	202	$	3,029
Insurance – North American Agriculture	433		—		—		433
Insurance – Overseas General	1,420		764		1,137		3,321
Global Reinsurance	286		259		—		545
Life	—		—		974		974
	$	2,967	$	3,022	$	2,313	$	8,302
For the Six Months Ended June 30, 2013
Insurance – North American P&C	$	715	$	1,869	$	182	$	2,766
Insurance – North American Agriculture	403		—		—		403
Insurance – Overseas General	1,243		713		1,066		3,022
Global Reinsurance	267		225		—		492
Life	—		—		957		957
	$	2,628	$	2,807	$	2,205	$	7,640