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v3.22.1

Interim Financial Statements - Additional Information (Details) | Apr. 30, 2022 Country Store
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Accounting Policies [Abstract] |
Number of retail stores | 1,000
Number of international store locations | 200
Number of countries company operates in | Country | 81

X
- Definition Number of international store locations. + References No definition available. + Details
Name: | aeo_NumberOfInternationalStoreLocations
Namespace Prefix: | aeo_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of countries in which the entity operates as of balance sheet date. + References No definition available. + Details
Name: | us-gaap_NumberOfCountriesInWhichEntityOperates
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the number of stores. + References No definition available. + Details
Name: | us-gaap_NumberOfStores
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant