XML 67 R51.htm IDEA: XBRL DOCUMENT v3.25.4

Variable Interest Entities (Tables)

12 Months Ended

Dec. 31, 2025

Variable Interest Entity, Not Primary Beneficiary, Disclosures [Abstract]

Total assets and maximum loss exposure of VIE

The following table summarizes the total assets of the Bellemeade entities:

			December 31, 2025												December 31, 2024
Bellemeade Entities  (Issue Date)			Total VIE Assets																								Coverage Remaining from Reinsurers (1)						Total VIE Assets
2021-3 Ltd. (Sep-21)			$	21																							$	14					$	363
2022-1 Ltd. (Jan-22)			42																								12						202
2022-2 Ltd. (Sep-22)			43																								91						180
2023-1 Ltd. (Oct-23)			149																								37						186
2024-1 Ltd. (Aug-24)			130																								33						163
2025-1 Ltd. (Nov-25)			191																								48						—
Total			$	576																							$	235					$	1,094

(1) Coverage from a separate panel of reinsurers remaining at December 31, 2025.

X

- Definition

Tabular disclosure of total VIE assets, together with the Company’s maximum exposure to loss associated with these VIEs.

+ References

No definition available.

+ Details

Name:	acgl_VariableInterestEntityMaximumExposureToLossTableTextBlock
Namespace Prefix:	acgl_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_VariableInterestEntityNotPrimaryBeneficiaryDisclosuresAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration