v3.26.1

Leases - Additional Information (Details) $ in Billions	3 Months Ended
Leases - Additional Information (Details) $ in Billions	May 02, 2026 USD ($)
Lessee, Lease, Description [Line Items]
Operating lease option to extend reasonably certain of being exercised	$ 3.6
Finance lease option to extend reasonably certain of being exercised	2.6
Financing obligation payments option to extend reasonably certain of being exercised	$ 1.0
Store [Member]
Lessee, Lease, Description [Line Items]
Lease extension term	5 years
Minimum [Member] \| Store [Member]
Lessee, Lease, Description [Line Items]
Lease initial term	20 years
Lease renewal term	4 years
Maximum [Member] \| Store [Member]
Lessee, Lease, Description [Line Items]
Lease initial term	25 years
Lease renewal term	8 years

Financing obligation payments, option to extend, reasonably certain of being exercised.

+ References

No definition available.

+ Details

Name:	kss_FinancingObligationPaymentsOptionToExtendReasonablyCertainOfBeingExercised
Namespace Prefix:	kss_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Lease extension term

+ References

No definition available.

+ Details

Name:	kss_LeaseExtensionTerm
Namespace Prefix:	kss_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Lease initial term.

+ References

No definition available.

+ Details

Name:	kss_LeaseInitialTerm
Namespace Prefix:	kss_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Lease renewal term.

+ References

No definition available.

+ Details

Name:	kss_LeaseRenewalTerm
Namespace Prefix:	kss_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Lessee, finance lease, option to extend, reasonably certain of being exercised.

+ References

No definition available.

+ Details

Name:	kss_LesseeFinanceLeaseOptionToExtendReasonablyCertainOfBeingExercised
Namespace Prefix:	kss_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Lessee, operating lease, option to extend, reasonably certain of being exercised.

+ References

No definition available.

+ Details

Name:	kss_LesseeOperatingLeaseOptionToExtendReasonablyCertainOfBeingExercised
Namespace Prefix:	kss_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 7A
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-7A

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-3

+ Details

Name:	us-gaap_LesseeLeaseDescriptionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=kss_StoreMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

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