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v3.19.3

Additional Acquisition (Details) $ in Millions | Mar. 04, 2019 USD ($)
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Business Combinations [Abstract] |
Consideration Paid for Acquisition | $ 69

X
- Definition Amount of consideration for business acquisition + References No definition available. + Details
Name: | gps_ConsiderationPaidforAcquisition
Namespace Prefix: | gps_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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