| Cover | Feb. 13, 2024 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Feb. 13, 2024 |
| Entity File Number | 333-115164 |
| Entity Registrant Name | U. S. PREMIUM BEEF, LLC |
| Entity Central Index Key | 0001289237 |
| Entity Tax Identification Number | 20-1576986 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 12200 North Ambassador Drive |
| Entity Address, City or Town | Kansas City |
| Entity Address, State or Province | MO |
| Entity Address, Postal Zip Code | 64163 |
| City Area Code | (816) |
| Local Phone Number | 713-8800 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
