Revenue Recognition - Additional Information (Details) - USD ($) $ in Millions	Nov. 02, 2019	Feb. 02, 2019	Nov. 03, 2018
Revenue From Contract With Customer [Abstract]
Liabilities for performance obligations resulting from rewards programs, return reserves, unredeemed gift cards and merchandise return cards	$ 354	$ 413	$ 337

Rewards programs, return reserves, unredeemed gift cards and merchandise return cards liability current.

No definition available.

Name:	kss_RewardsProgramsReturnReservesUnredeemedGiftCardsAndMerchandiseReturnCardsLiabilityCurrent
Namespace Prefix:	kss_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant