Debt instrument effective basis spread on variable rate.

No definition available.

Name:	kss_DebtInstrumentEffectiveBasisSpreadOnVariableRate
Namespace Prefix:	kss_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt instrument, redemption of remaining outstanding notes.

+ References

No definition available.

+ Details

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Namespace Prefix:	kss_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Line of credit additional outstanding amount.

+ References

No definition available.

+ Details

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

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
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.

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+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

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Balance Type:	na
Period Type:	duration

- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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Period Type:	instant

- Details

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Namespace Prefix:
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Period Type:

- Details

Name:	us-gaap_LineOfCreditFacilityAxis=kss_TradeLettersOfCreditAndStandByLettersOfCreditMember
Namespace Prefix:
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Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_UnsecuredDebtMember
Namespace Prefix:
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Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_SeniorNotesMember
Namespace Prefix:
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Period Type:

- Details

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Namespace Prefix:
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Balance Type:
Period Type:

- Details

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Period Type:

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Debt - Additional Information (Details)			1 Months Ended	3 Months Ended	12 Months Ended			24 Months Ended
Debt - Additional Information (Details)	May 31, 2025	Jun. 30, 2024 USD ($)	Dec. 31, 2024	Aug. 03, 2024 USD ($)	Feb. 01, 2025 USD ($)	Feb. 03, 2024 USD ($)	Jan. 28, 2023	Feb. 01, 2025 USD ($)
Debt Instrument [Line Items]
Debt Instrument, Maturity Date		May 15, 2025
Debt instrument increased basis point			50.00%
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity					$ 1,500,000,000			$ 1,500,000,000
Short-term debt, outstanding					290,000,000	$ 92,000,000		290,000,000
Revolving Credit Facility [Member] \| Trade Letters of Credit and Stand-By Letters of Credit [Member]
Debt Instrument [Line Items]
Outstanding borrowing amount					21,000,000			21,000,000
Line of credit facility additional outstanding amount					7,000,000			7,000,000
Unsecured Senior Debt [Member]
Debt Instrument [Line Items]
Long-term Debt, Fair Value					$ 1,200,000,000	$ 1,300,000,000		$ 1,200,000,000
Senior Notes [Member] \| 9.50% Senior Notes Due 2025
Debt Instrument [Line Items]
Redemption of remaining outstanding notes		$ 113,000,000
Interest rate on notes		9.50%
Loss on extinguishment of debt				$ 5,000,000
3.375 % Notes [Member]
Debt Instrument [Line Items]
Interest rate on notes			3.375%
Debt instrument increased basis point						100.00%		175.00%
3.375 % Notes [Member] \| Forecast
Debt Instrument [Line Items]
Debt instrument basis point, effective	0.50
9.50 % Notes [Member]
Debt Instrument [Line Items]
Interest rate on notes			9.50%
Debt instrument increased basis point					125.00%		25.00%