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Leases - Summary of Future Financing Obligation Payments (Details) $ in Millions | Feb. 01, 2020 USD ($)
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Leases [Abstract] |
2020 | $ 69
2021 | 71
2022 | 68
2023 | 66
2024 | 60
After 2024 | 197
Total financing obligations payments | 531
Non-cash gain on future sale of property | 225
Amount representing interest | (230)
Total financing obligations | $ 526

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- Definition Finance lease obligation payments due next twelve months. + References No definition available. + Details
Name: | kss_FinanceLeaseObligationPaymentsDueNextTwelveMonths
Namespace Prefix: | kss_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Financing obligation payments due. + References No definition available. + Details
Name: | kss_FinancingObligationPaymentsDue
Namespace Prefix: | kss_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Financing obligation payments due after year five. + References No definition available. + Details
Name: | kss_FinancingObligationPaymentsDueAfterYearFive
Namespace Prefix: | kss_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Financing obligation payments due year five. + References No definition available. + Details
Name: | kss_FinancingObligationPaymentsDueYearFive
Namespace Prefix: | kss_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Financing obligation payments due year four. + References No definition available. + Details
Name: | kss_FinancingObligationPaymentsDueYearFour
Namespace Prefix: | kss_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Financing obligation payments due year three. + References No definition available. + Details
Name: | kss_FinancingObligationPaymentsDueYearThree
Namespace Prefix: | kss_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Financing obligation payments due year two. + References No definition available. + Details
Name: | kss_FinancingObligationPaymentsDueYearTwo
Namespace Prefix: | kss_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Financing obligation undiscounted excess amount. + References No definition available. + Details
Name: | kss_FinancingObligationUndiscountedExcessAmount
Namespace Prefix: | kss_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Financing obligations. + References No definition available. + Details
Name: | kss_FinancingObligations
Namespace Prefix: | kss_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Non-cash gain on future sale of property. + References No definition available. + Details
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Namespace Prefix: | kss_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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