Accrued interest margin percentage.

No definition available.

Name:	aeo_AccruedInterestMarginPercentage
Namespace Prefix:	aeo_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

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-Topic 944
-SubTopic 605
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+ Details

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

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 942
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+ Details

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

- Definition

Date the credit facility terminates, in YYYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Increase for accrued, but unpaid interest on the credit facility for the period.

+ References

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+ Details

Name:	us-gaap_LineOfCreditFacilityIncreaseAccruedInterest
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- 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/2003/role/disclosureRef
-Topic 942
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+ Details

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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

+ Details

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

- Details

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

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
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Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=aeo_AlternateBaseRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

- Details

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Long-Term Debt, Net - Additional Information (Detail) - USD ($)		3 Months Ended		6 Months Ended
	Jun. 04, 2026	Aug. 01, 2026	Aug. 02, 2025	Aug. 01, 2026	Aug. 02, 2025	Jun. 30, 2022
Credit Facilities
Line Of Credit Facility [Line Items]
Interest expense		$ 500,000	$ 1,800,000	$ 1,100,000	$ 2,100,000
Credit Facilities \| SOFR \| Minimum
Line Of Credit Facility [Line Items]
Accrued interest margin rate				1.25%
Credit Facilities \| SOFR \| Maximum
Line Of Credit Facility [Line Items]
Accrued interest margin rate				1.50%
Credit Facilities \| Alternate Base Rate \| Minimum
Line Of Credit Facility [Line Items]
Accrued interest margin rate				0.25%
Credit Facilities \| Alternate Base Rate \| Maximum
Line Of Credit Facility [Line Items]
Accrued interest margin rate				0.50%
Credit Agreement \| Credit Facilities
Line Of Credit Facility [Line Items]
Loans and letters of credit maximum borrowing capacity						$ 700,000,000
Line of credit facility, expiration date	Jun. 04, 2031
Credit Agreement \| Stand-by Letters of Credit
Line Of Credit Facility [Line Items]
Letters of credit outstanding amount		10,000,000	12,000,000	$ 10,000,000	12,000,000
Credit Agreement \| Credit Agreement Loans
Line Of Credit Facility [Line Items]
Outstanding borrowings		$ 55,000,000	$ 203,000,000	$ 55,000,000	$ 203,000,000