Leases - Summary of Other Lease Information (Details) - USD ($) $ in Millions	3 Months Ended
Apr. 30, 2022	May 01, 2021
Property and equipment acquired through exchange of:
Finance lease liabilities	$ 472	$ 106
Operating lease liabilities	$ 11	$ 30

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