| Document And Entity Information | Aug. 20, 2019 |
| Document And Entity Information [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Aug. 20, 2019 |
| Entity Registrant Name | KOHLS CORP |
| Entity Central Index Key | 0000885639 |
| Entity Emerging Growth Company | false |
| Entity File Number | 001-11084 |
| Entity Incorporation, State or Country Code | WI |
| Entity Tax Identification Number | 39-1630919 |
| Entity Address, Address Line One | N56 W17000 Ridgewood Drive |
| Entity Address, City or Town | Menomonee Falls |
| Entity Address, State or Province | WI |
| Entity Address, Postal Zip Code | 53051 |
| City Area Code | 262 |
| Local Phone Number | 703-7000 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, $.01 par value |
| Trading Symbol(s) | KSS |
| Security Exchange Name | NYSE |
