The following tables present the Statement of Operations by segment:



	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
For the Three Months Ended
September 30, 2018
(in millions of U.S. dollars)
Net premiums written	$	3,199		$	1,218	$	884	$	2,081		$	164		$	564	$	—		$	8,110
Net premiums earned	3,019			1,167		857		2,157			157			551		—			7,908
Losses and loss expenses	1,881			860		719		1,114			86			195		13			4,868
Policy benefits	—			—		—		—			—			127		—			127
Policy acquisition costs	458			236		49		582			40			139		—			1,504
Administrative expenses	251			69		2		252			10			77		58			719
Underwriting income (loss)	429			2		87		209			21			13		(71		)	690
Net investment income (loss)	503			59		7		155			63			85		(49		)	823
Other (income) expense	(1		)	—		—		(7		)	(13		)	20		(144		)	(145		)
Amortization expense of purchased intangibles	—			4		7		8			—			—		64			83
Segment income (loss)	$	933		$	57	$	87	$	363		$	97		$	78	$	(40	)	$	1,575
Net realized gains (losses) including OTTI																19			19
Interest expense																164			164
Chubb integration expenses																16			16
Income tax expense																183			183
Net income (loss)																$	(384	)	$	1,231



	North America Commercial P&C Insurance ⁽¹⁾			North America Personal P&C Insurance			North America Agricultural Insurance			Overseas General Insurance ⁽¹⁾			Global Reinsurance			Life Insurance			Corporate			Chubb Consolidated
For the Three Months Ended
September 30, 2017
(in millions of U.S. dollars)
Net premiums written	$	3,086		$	1,194		$	926		$	1,966		$	191		$	539		$	—		$	7,902
Net premiums earned	3,016			1,117			898			2,064			185			527			—			7,807
Losses and loss expenses	2,580			1,062			759			1,281			295			181			89			6,247
Policy benefits	—			—			—			—			—			169			—			169
Policy acquisition costs	469			226			49			569			43			132			—			1,488
Administrative expenses	256			61			(1		)	246			11			77			64			714
Underwriting income (loss)	(289		)	(232		)	91			(32		)	(164		)	(32		)	(153		)	(811		)
Net investment income (loss)	497			57			6			164			80			78			(69		)	813
Other (income) expense	(4		)	1			—			(10		)	(3		)	(19		)	(83		)	(118		)
Amortization expense of purchased intangibles	—			4			8			11			—			1			41			65
Segment income (loss)	$	212		$	(180	)	$	89		$	131		$	(81	)	$	64		$	(180	)	$	55
Net realized gains (losses) including OTTI																			(10		)	(10		)
Interest expense																			150			150
Chubb integration expenses																			50			50
Income tax benefit																			(85		)	(85		)
Net loss																			$	(305	)	$	(70	)


⁽¹⁾	The 2017 net premiums written amount was revised to reflect the transfer of certain multinational accounts ($3 million) from the North America Commercial P&C Insurance segment to the Overseas General Insurance segment to better align the reporting with the management of these businesses in 2018. There is no impact on a consolidated basis.



	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
For the Nine Months Ended
September 30, 2018
(in millions of U.S. dollars)
Net premiums written	$	9,342		$	3,601	$	1,380	$	6,664		$	554		$	1,688		$	—		$	23,229
Net premiums earned	9,325			3,463		1,251		6,425			492			1,643			—			22,599
Losses and loss expenses	5,873			2,474		955		3,263			236			584			72			13,457
Policy benefits	—			—		—		—			—			428			—			428
Policy acquisition costs	1,378			701		74		1,754			120			405			—			4,432
Administrative expenses	735			202		—		757			29			235			200			2,158
Underwriting income (loss)	1,339			86		222		651			107			(9		)	(272		)	2,124
Net investment income (loss)	1,516			177		20		461			192			253			(162		)	2,457
Other (income) expense	(20		)	1		1		(12		)	(26		)	24			(275		)	(307		)
Amortization expense of purchased intangibles	—			10		21		29			—			1			192			253
Segment income (loss)	$	2,875		$	252	$	220	$	1,095		$	325		$	219		$	(351	)	$	4,635
Net realized gains (losses) including OTTI																	35			35
Interest expense																	488			488
Chubb integration expenses																	39			39
Income tax expense																	536			536
Net income (loss)																	$	(1,379	)	$	3,607



	North America Commercial P&C Insurance ⁽¹⁾			North America Personal P&C Insurance		North America Agricultural Insurance			Overseas General Insurance ⁽¹⁾			Global Reinsurance			Life Insurance			Corporate			Chubb Consolidated
For the Nine Months Ended
September 30, 2017
(in millions of U.S. dollars)
Net premiums written	$	9,019		$	3,433	$	1,390		$	6,185		$	580		$	1,586		$	—		$	22,193
Net premiums earned	9,156			3,296		1,256			6,018			542			1,548			—			21,816
Losses and loss expenses	6,376			2,378		976			3,316			435			556			145			14,182
Policy benefits	—			—		—			—			—			500			—			500
Policy acquisition costs	1,420			673		75			1,653			137			376			—			4,334
Administrative expenses	728			192		(4		)	734			33			226			187			2,096
Underwriting income (loss)	632			53		209			315			(63		)	(110		)	(332		)	704
Net investment income (loss)	1,465			168		18			460			207			230			(220		)	2,328
Other (income) expense	(4		)	3		1			(14		)	(2		)	(60		)	(257		)	(333		)
Amortization expense of purchased intangibles	—			12		22			33			—			2			125			194
Segment income (loss)	$	2,101		$	206	$	204		$	756		$	146		$	178		$	(420	)	$	3,171
Net realized gains (losses) including OTTI																		84			84
Interest expense																		451			451
Chubb integration expenses																		233			233
Income tax expense																		243			243
Net income (loss)																		$	(1,263	)	$	2,328


⁽¹⁾	The 2017 net premiums written amount was revised to reflect the transfer of certain multinational accounts ($16 million) from the North America Commercial P&C Insurance segment to the Overseas General Insurance segment to better align the reporting with the management of these businesses in 2018. There is no impact on a consolidated basis.