XML 47 R35.htm IDEA: XBRL DOCUMENT v3.24.1.u1

Other Comprehensive Income (Loss) (Tables)

3 Months Ended

Mar. 31, 2024

Comprehensive Income Note Disclosure [Abstract]

Details about amounts reclassified from AOCI

The following tables present details about amounts reclassified from accumulated other comprehensive income and the tax effects allocated to each component of other comprehensive income (loss):

												Amounts Reclassified from AOCI
						Consolidated Statement of Income						Three Months Ended
Details About						Line Item That Includes						March 31,
AOCI Components						Reclassification						2024						2023
Unrealized appreciation (decline) on available-for-sale investments
						Net realized gains (losses)						$	(28)					$	(94)
						Provision for credit losses						(6)						(16)
						Total before tax						(34)						(110)
						Income tax (expense) benefit						5						11
						Net of tax						$	(29)					$	(99)

Schedule of comprehensive income (loss)

			Before Tax Amount						Tax Expense (Benefit)						Net of Tax Amount
Three Months Ended March 31, 2024
Unrealized appreciation (decline) in value of investments:
Unrealized holding gains (losses) arising during period			$	(151)					$	(10)					$	(141)
Less reclassification of net realized gains (losses) included in net income			(34)						(5)						(29)
Foreign currency translation adjustments			(33)						—						(33)
Other comprehensive income (loss)			$	(150)					$	(5)					$	(145)
Three Months Ended March 31, 2023
Unrealized appreciation (decline) in value of investments:
Unrealized holding gains (losses) arising during period			$	281					$	36					$	245
Less reclassification of net realized gains (losses) included in net income			(110)						(11)						(99)
Foreign currency translation adjustments			5						—						5
Other comprehensive income (loss)			$	396					$	47					$	349

X

- Definition

Comprehensive Income Note Disclosure [Abstract]

+ References

No definition available.

+ Details

Name:	acgl_ComprehensiveIncomeNoteDisclosureAbstract
Namespace Prefix:	acgl_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of information about items reclassified out of accumulated other comprehensive income (loss).

+ References

No definition available.

+ Details

Name:	us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of components of comprehensive income (loss). Includes, but is not limited to, foreign currency translation adjustments, foreign currency transactions designated as economic hedges of a net investment in foreign entity, gain (loss) and prior service cost (credit) for pension plans and other postretirement benefit plans.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Paragraph 1
-Section 45
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482790/220-10-45-1

+ Details

Name:	us-gaap_ScheduleOfComprehensiveIncomeLossTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration