v3.26.1
Segment information (Tables)
6 Months Ended
Jun. 30, 2026
Segment Reporting [Abstract]  
Operations By Segment
The following tables present the Statement of Operations by segment:

For the Three Months Ended
June 30, 2026
(in millions of U.S. dollars)
North America Commercial P&C InsuranceNorth America Personal P&C InsuranceNorth America Agricultural InsuranceOverseas General InsuranceGlobal
Reinsurance
Life InsuranceTotal
Net premiums written$5,594 $2,054 $776 $3,990 $354 $1,937 $14,705 
Net premiums earned5,214 1,817 641 3,984 299 1,934 13,889 
Losses and loss expenses3,372 791 526 1,709 121 22 
Policy benefits   106  1,374 
Policy acquisition costs730 347 45 1,060 98 352 
Administrative expenses351 86 4 399 8 213 
Underwriting income761 593 66 710 72 NM
Net investment income982 140 21 313 110 323 
Other (income) expense15 3 2 6  (45)
Amortization of purchased intangibles1 2 6 22  9 
Segment income$1,727 $728 $79 $995 $182 $332 $4,043 
Net realized gains (losses)162 
Market risk benefits gains (losses)5 
Interest expense200 
Integration expenses and severance8 
Corporate underwriting loss(265)
Corporate net investment loss(10)
Corporate other (income) expense5 
Corporate amortization of purchased intangibles34 
Other reclassification(64)
Income before income tax$3,624 
NM – not meaningful. Underwriting income is not used as a basis for segment performance for the Life Insurance segment.
For the Three Months Ended
June 30, 2025
(in millions of U.S. dollars)
North America Commercial P&C InsuranceNorth America Personal P&C InsuranceNorth America Agricultural InsuranceOverseas General InsuranceGlobal
Reinsurance
Life InsuranceTotal
Net premiums written$5,723 $1,938 $733 $3,620 $380 $1,802 $14,196 
Net premiums earned5,177 1,681 598 3,542 338 1,789 13,125 
Losses and loss expenses3,258 822 483 1,789 132 20 
Policy benefits— — — 129 — 1,249 
Policy acquisition costs705 332 48 913 98 319 
Administrative expenses357 82 369 10 199 
Underwriting income857 445 65 342 98 NM
Net investment income938 118 19 278 85 274 
Other (income) expense— — — (37)
Amortization of purchased intangibles19 — 
Segment income$1,785 $561 $78 $596 $183 $305 $3,508 
Net realized gains (losses)160 
Market risk benefits gains (losses)(17)
Interest expense181 
Integration expenses and severance
Corporate underwriting loss(176)
Corporate net investment loss(29)
Corporate other (income) expense(528)
Corporate amortization of purchased intangibles37 
Other reclassification(38)
Income before income tax$3,716 
NM – not meaningful. Underwriting income is not used as a basis for segment performance for the Life Insurance segment.
For the Six Months Ended
June 30, 2026
(in millions of U.S. dollars)
North America Commercial P&C InsuranceNorth America Personal P&C InsuranceNorth America Agricultural InsuranceOverseas General InsuranceGlobal
Reinsurance
Life InsuranceTotal
Net premiums written$10,489 $3,735 $1,087 $8,456 $717 $4,226 $28,710 
Net premiums earned10,362 3,563 830 7,764 625 4,202 27,346 
Losses and loss expenses6,592 1,825 579 3,361 258 50 
Policy benefits   219  3,074 
Policy acquisition costs1,482 694 69 2,069 200 714 
Administrative expenses705 171 (2)786 17 423 
Underwriting income1,583 873 184 1,329 150 NM
Net investment income1,953 277 47 613 218 628 
Other (income) expense29 6 2 12  (96)
Amortization of purchased intangibles2 4 12 44  17 
Segment income$3,505 $1,140 $217 $1,886 $368 $648 $7,764 
Net realized gains (losses)(245)
Market risk benefits gains (losses)19 
Interest expense398 
Integration expenses and severance17 
Corporate underwriting loss(390)
Corporate net investment loss(21)
Corporate other (income) expense(13)
Corporate amortization of purchased intangibles68 
Other reclassification(40)
Income before income tax$6,617 
NM – not meaningful. Underwriting income is not used as a basis for segment performance for the Life Insurance segment.
For the Six Months Ended
June 30, 2025
(in millions of U.S. dollars)
North America Commercial P&C InsuranceNorth America Personal P&C InsuranceNorth America Agricultural InsuranceOverseas General InsuranceGlobal
Reinsurance
Life InsuranceTotal
Net premiums written$10,510 $3,490 $1,009 $7,523 $788 $3,522 $26,842 
Net premiums earned10,165 3,255 763 6,751 706 3,485 25,125 
Losses and loss expenses6,289 2,915 575 3,186 374 46 
Policy benefits— — — 242 — 2,412 
Policy acquisition costs1,424 662 65 1,750 198 629 
Administrative expenses701 169 699 20 401 
Underwriting income (loss)1,751 (491)119 874 114 NM
Net investment income1,867 238 43 559 155 545 
Other (income) expense16 11 — (72)
Amortization of purchased intangibles12 38 — 18 
Segment income (loss)$3,599 $(258)$149 $1,384 $269 $596 $5,739 
Net realized gains (losses)44 
Market risk benefits gains (losses)(109)
Interest expense362 
Integration expenses and severance
Corporate underwriting loss(295)
Corporate net investment loss(56)
Corporate other (income) expense(495)
Corporate amortization of purchased intangibles74 
Income before income tax$5,380 
NM – not meaningful. Underwriting income is not used as a basis for segment performance for the Life Insurance segment.