v3.10.0.1

Basis of Presentation - Description of Issued, But Not Yet Effective, Accounting Standards (Details)	9 Months Ended
	Nov. 03, 2018
Accounting Standards Update 2016-02 - Leases [Member]
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Percentage of store leases unrecorded on Balance Sheet	5.00%

X

- Definition

Percentage of store leases.

+ References

No definition available.

+ Details

Name:	kss_PercentageOfStoreLeases
Namespace Prefix:	kss_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- 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

No definition available.

+ Details

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

X

- Details

Name:	us-gaap_AdjustmentsForNewAccountingPronouncementsAxis=us-gaap_AccountingStandardsUpdate201602Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: