XML 17 R1.htm IDEA: XBRL DOCUMENT v3.20.4
Document and Entity Information - USD ($)
 12 Months Ended
Dec. 31, 2020
Feb. 10, 2021
Jun. 30, 2020
Document and Entity Information      
Document Type 10-K    
Document Annual Report true    
Document Transition Report false    
Entity File Number 001-34704    
Entity Tax Identification Number 27-0925904    
Entity Incorporation, State or Country Code DE    
Entity Address, Address Line One 1850 Mt. Diablo Boulevard    
Entity Address, Address Line Two Suite 640    
Entity Address, City or Town Walnut Creek    
Entity Address, State or Province CA    
Entity Address, Postal Zip Code 94596    
City Area Code 510    
Local Phone Number 522-9600    
Security Exchange Name NYSE    
Amendment Flag false    
ICFR Auditor Attestation Flag true    
Document Period End Date Dec. 31, 2020    
Document Fiscal Year Focus 2020    
Document Fiscal Period Focus FY    
Entity Registrant Name United States Brent Oil Fund, LP    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Central Index Key 0001472494    
Current Fiscal Year End Date --12-31    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Accelerated Filer    
Trading Symbol BNO    
Entity Small Business false    
Entity Emerging Growth Company false    
Entity Shell Company false    
Entity Common Stock, Shares Outstanding   24,600,000  
Title of 12(b) Security Shares of United States Brent Oil Fund, LP    
Entity Public Float     $ 414,336,000