| Document and Entity Information | Jul. 10, 2024 |
| Cover [Abstract] | |
| Document Type | 8-K12B |
| Document Period End Date | Jul. 10, 2024 |
| Entity Registrant Name | Calumet, Inc. /DE |
| Entity Incorporation State Country Code | DE |
| Entity File Number | 000-51734 |
| Entity Tax Identification Number | 36-5098520 |
| Entity Address Address Line 1 | 2780 Waterfront Pkwy E. Drive |
| Entity Address Address Line 2 | Suite 200 |
| Entity Address City Or Town | Indianapolis |
| Entity Address State Or Province | IN |
| Entity Address Postal Zip Code | 46214 |
| City Area Code | 317 |
| Local Phone Number | 328-5660 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | Common Stock, par value $0.01 per share |
| Trading Symbol | CLMT |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
| Current Fiscal Year End Date | --12-31 |
| Amendment Flag | false |
| Entity Central Index Key | 0002013745 |
