Leases - Summary of Weighted-Average Remaining Term and Discount Rate for Financing Obligations (Details)	12 Months Ended
Feb. 01, 2020
Leases [Abstract]
Weighted-average remaining term (years)	9 years
Weighted-average discount rate	7.00%

Financing obligations weighted average discount rate percent.

No definition available.

Name:	kss_FinancingObligationsWeightedAverageDiscountRatePercent
Namespace Prefix:	kss_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant