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Commitments and Contingencies Separation Commitments (Details) $ in Millions | Feb. 01, 2020 USD ($)
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Commitments and Contingencies Disclosure [Abstract] |
Separation Commitments | $ 28

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- Definition Separation Commitments + References No definition available. + Details
Name: | gps_SeparationCommitments
Namespace Prefix: | gps_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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