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Impairment, Restructuring and Other Charges - Additional Information (Detail) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Aug. 03, 2024 | Jul. 29, 2023 | Aug. 03, 2024 | Jul. 29, 2023
Restructuring and Related Activities [Abstract] |  |  |  |
Impairment, restructuring and other charges | $ 0 | $ 0 | $ 0 | $ 21,275,000

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- Definition Impairment restructuring and other charges. + References No definition available. + Details
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Namespace Prefix: | aeo_
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Balance Type: | debit
Period Type: | duration

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