Segment information (Tables)

9 Months Ended

Sep. 30, 2026

The following tables present the Statement of Operations by segment:


For the Three Months Ended September 30, 2026 (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		Total
Net premiums written	$	5,512	$	1,909	$	1,532	$	3,943	$	287	$	1,960	$	15,143
Net premiums earned	5,222		1,846		1,559		4,053		287		1,957		14,924
Losses and loss expenses	3,422		668		1,306		1,910		130		34
Policy benefits	—		—		—		124		—		1,355
Policy acquisition costs	750		359		84		1,085		93		368
Administrative expenses	333		87		2		383		9		202
Underwriting income	717		732		167		551		55		NM
Net investment income	985		143		21		318		114		321
Other (income) expense	17		3		1		14		—		(52)
Amortization of purchased intangibles	—		—		—		15		—		2
Segment income	$	1,685	$	872	$	187	$	840	$	169	$	369	$	4,122
Net realized gains (losses)													(455)
Market risk benefits gains (losses)													(65)
Interest expense													204
Integration expenses and severance													11
Corporate underwriting loss													(161)
Corporate net investment loss													(14)
Corporate other (income) expense													(274)
Corporate amortization of purchased intangibles													57
Other reclassification													(27)
Income before income tax													$	3,402

NM – not meaningful. Underwriting income is not used as a basis for segment performance for the Life Insurance segment.


For the Three Months Ended September 30, 2025 (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		Total
Net premiums written	$	5,663	$	1,814	$	1,458	$	3,695	$	304	$	1,932	$	14,866
Net premiums earned	5,080		1,741		1,495		3,803		315		1,925		14,359
Losses and loss expenses	3,083		713		1,224		1,707		139		31
Policy benefits	—		—		—		119		—		1,303
Policy acquisition costs	708		339		86		975		96		359
Administrative expenses	348		82		5		368		9		213
Underwriting income	941		607		180		634		71		NM
Net investment income	978		123		20		288		100		284
Other (income) expense	10		1		—		8		—		(31)
Amortization of purchased intangibles (1)	—		—		—		13		—		2
Segment income	$	1,909	$	729	$	200	$	901	$	171	$	332	$	4,242
Net realized gains (losses)													283
Market risk benefits gains (losses)													(142)
Interest expense													197
Integration expenses and severance													1
Corporate underwriting loss													(174)
Corporate net investment loss													(18)
Corporate other (income) expense													87
Corporate amortization of purchased intangibles (1)													60
Other reclassification													48
Income before income tax													$	3,894

NM – not meaningful. Underwriting income is not used as a basis for segment performance for the Life Insurance segment.

(1) Recast to exclude amortization expense related to certain intangible assets acquired through business combinations from reportable segment results.


For the Nine Months Ended September 30, 2026 (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		Total
Net premiums written	$	16,001	$	5,644	$	2,619	$	12,399	$	1,004	$	6,186	$	43,853
Net premiums earned	15,584		5,409		2,389		11,817		912		6,159		42,270
Losses and loss expenses	10,014		2,493		1,885		5,271		388		84
Policy benefits	—		—		—		343		—		4,429
Policy acquisition costs	2,232		1,053		153		3,154		293		1,082
Administrative expenses	1,038		258		—		1,169		26		625
Underwriting income	2,300		1,605		351		1,880		205		NM
Net investment income	2,938		420		68		931		332		949
Other (income) expense	46		9		3		26		—		(148)
Amortization of purchased intangibles	—		—		—		43		—		8
Segment income	$	5,192	$	2,016	$	416	$	2,742	$	537	$	1,028	$	11,931
Net realized gains (losses)													(700)
Market risk benefits gains (losses)													(46)
Interest expense													602
Integration expenses and severance													28
Corporate underwriting loss													(551)
Corporate net investment loss													(35)
Corporate other (income) expense													(287)
Corporate amortization of purchased intangibles													170
Other reclassification													(67)
Income before income tax													$	10,019

NM – not meaningful. Underwriting income is not used as a basis for segment performance for the Life Insurance segment.


For the Nine Months Ended September 30, 2025 (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		Total
Net premiums written	$	16,173	$	5,304	$	2,467	$	11,218	$	1,092	$	5,454	$	41,708
Net premiums earned	15,245		4,996		2,258		10,554		1,021		5,410		39,484
Losses and loss expenses	9,372		3,628		1,799		4,893		513		77
Policy benefits	—		—		—		361		—		3,715
Policy acquisition costs	2,132		1,001		151		2,725		294		988
Administrative expenses	1,049		251		9		1,067		29		614
Underwriting income	2,692		116		299		1,508		185		NM
Net investment income	2,845		361		63		847		255		829
Other (income) expense	26		2		1		19		—		(103)
Amortization of purchased intangibles (1)	—		—		—		39		—		7
Segment income	$	5,511	$	475	$	361	$	2,297	$	440	$	941	$	10,025
Net realized gains (losses)													327
Market risk benefits gains (losses)													(251)
Interest expense													559
Integration expenses and severance													3
Corporate underwriting loss													(469)
Corporate net investment loss													(74)
Corporate other (income) expense													(408)
Corporate amortization of purchased intangibles (1)													178
Other reclassification													48
Income before income tax													$	9,274

NM – not meaningful. Underwriting income is not used as a basis for segment performance for the Life Insurance segment.

(1) Recast to exclude amortization expense related to certain intangible assets acquired through business combinations from reportable segment results.

- Definition

Tabular disclosure of segment reporting. Includes, but is not limited to, reconciliation of reportable segment amount to corresponding consolidated total.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 31
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-31

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 34
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-34

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 32
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-32

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 30
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-30

Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 26C
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-26C

Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 26B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-26B

Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 26A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-26A

Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 25
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-25

Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 22
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-22

Reference 10: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 15
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-15

+ Details