Leases - Summary of Other Lease Information (Details) - USD ($) $ in Millions	9 Months Ended
Nov. 01, 2025	Nov. 02, 2024
Property and equipment acquired (disposed) through exchange of:
Finance lease liabilities	$ (5)	$ (74)
Operating lease liabilities	$ 35	$ 78

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