Line Of Credit Facility, Aggregate Utilization Capacity

No definition available.

Name:	axs_LineOfCreditFacilityAggregateUtilizationCapacity
Namespace Prefix:	axs_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line Of Credit Facility, Utilization Capacity

+ References

No definition available.

+ Details

Name:	axs_LineOfCreditFacilityUtilizationCapacity
Namespace Prefix:	axs_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

Name:	us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(f))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1

+ Details

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

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_LetterOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LineOfCreditFacilityAxis=axs_CitibankMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=axs_LOCFacilityTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=axs_LOCFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=axs_LOCFacilityThreeMember
Namespace Prefix:
Data Type:	na
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Period Type:

DEBT AND FINANCING ARRANGEMENTS - Letter of Credit facility (Details) - Letter of Credit Facility - USD ($)	Dec. 31, 2023	Dec. 29, 2023	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2021	Mar. 30, 2021	Mar. 27, 2017
Citibank
Line of Credit Facility [Line Items]
Maximum capacity							$ 500,000,000
Letters of credit outstanding	$ 325,000,000			$ 362,000,000
$500 Million Secured LOC
Line of Credit Facility [Line Items]
Maximum capacity	$ 500,000,000	$ 500,000,000	$ 150,000,000
$500 Million Secured LOC \| Citibank
Line of Credit Facility [Line Items]
Maximum capacity							500,000,000
$250 Million Secured LOC \| Citibank
Line of Credit Facility [Line Items]
Maximum capacity						$ 250,000,000	250,000,000
Line of credit facility, utilization capacity					$ 150,000,000
$750 Million Secured LOC \| Citibank
Line of Credit Facility [Line Items]
Maximum capacity					750,000,000		$ 750,000,000
Line of credit facility, aggregate utilization capacity					$ 650,000,000	$ 750,000,000