Leases - Summary of Other Lease Information (Details) - USD ($) $ in Millions	12 Months Ended
Jan. 28, 2023	Jan. 29, 2022	Jan. 30, 2021
Property and equipment acquired through exchange of:
Finance lease liabilities	$ 714	$ 841	$ 128
Operating lease liabilities	$ 179	$ 2	$ 165

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