Leases - Summary of Other Lease Information (Details) - USD ($) $ in Millions	3 Months Ended
May 02, 2026	May 03, 2025
Property and equipment acquired (disposed) through exchange of:
Finance lease liabilities	$ 2	$ (10)
Operating lease liabilities	$ 3	$ 5

Increase decrease of operating lease liabilities through purchase and disposal of property and equipment.

No definition available.

Name:	kss_IncreaseDecreaseOfOperatingLeaseLiabilitiesThroughPurchaseAndDisposalOfPropertyAndEquipment
Namespace Prefix:	kss_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration