Leases - Summary of Future Financing Obligation Payments (Details) $ in Millions	May 04, 2019 USD ($)
Leases [Abstract]
May 2019 - April 2020	$ 65
May 2020 - April 2021	70
May 2021 - April 2022	70
May 2022 - April 2023	67
May 2023 - April 2024	64
May 2024 and after	220
Total financing obligations payments	556
Non-cash gain on future sale of property	231
Amount representing interest	(238)
Total financing obligations	$ 549

Financing obligation payments due next rolling twelve months.

No definition available.

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