XML 51 R35.htm IDEA: XBRL DOCUMENT v3.24.0.1
Schedule III - Supplementary Insurance Information
12 Months Ended
Dec. 31, 2023
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Abstract]  
Supplementary Insurance Information
SCHEDULE III


ARCH CAPITAL GROUP LTD. AND SUBSIDIARIES
SUPPLEMENTARY INSURANCE INFORMATION
(U.S. dollars in millions)
Deferred Acquisition CostsReserves for Losses and Loss Adjustment ExpensesUnearned PremiumsNet Premiums EarnedNet Investment Income (1)Net Losses and Loss Adjustment Expenses IncurredAmortization of Deferred Acquisition CostsOther Operating Expenses (2)Net Premiums Written
December 31, 2023
Insurance$566 $12,250 $3,917 $5,446 NM$3,122 $1,055 $819 $5,862 
Reinsurance901 9,924 4,254 5,836 NM3,227 1,240 288 6,554 
Mortgage64 578 637 1,158 NM(103)17 194 1,052 
Other
Total$1,531 $22,752 $8,808 $12,440 NM$6,246 $2,312 $1,301 $13,468 
December 31, 2022
Insurance$301 $11,017 $3,382 $4,560 NM$2,784 $887 $665 $5,021 
Reinsurance992 8,306 3,206 3,959 NM2,568 813 268 4,924 
Mortgage(30)709 749 1,160 NM(324)40 195 1,133 
Other
Total$1,263 $20,032 $7,337 $9,679 NM$5,028 $1,740 $1,128 $11,078 
December 31, 2021
Insurance$378 $9,811 $2,938 $3,625 NM$2,345 $606 $559 $4,149 
Reinsurance424 6,879 2,263 2,841 NM1,925 537 214 3,254 
Mortgage99 1,068 811 1,283 NM57 97 193 1,261 
Other333 NM258 63 33 353 
Total$901 $17,758 $6,012 $8,082 NM$4,585 $1,303 $999 $9,017 
(1)    The Company does not manage its assets by segment and, accordingly, net investment income is not allocated to each underwriting segment. See note 4, “Segment Information,” to our consolidated financial statements in Item 8 for information related to the ‘other’ segment.
(2)    Certain other operating expenses relate to the Company’s corporate segment. Such amounts are not reflected in the table above. See note 4, “Segment Information,” to our consolidated financial statements in Item 8 for information related to the corporate segment.