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Business Operations - Additional Information (Detail) | Feb. 01, 2020 Store Country
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Organization Consolidation And Presentation Of Financial Statements [Abstract] |
Number of retail stores | 1,000
Number of international store locations | 200
Number of countries company operates in | Country | 81

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

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

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- References No definition available. + Details
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