Leases - Summary of Other Lease Information (Details) - USD ($) $ in Millions	9 Months Ended
Oct. 30, 2021	Oct. 31, 2020
Property and equipment acquired through:
Finance lease liabilities	$ 755	$ 118
Operating lease liabilities	$ (8)	$ 140

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