XML 36 R21.htm IDEA: XBRL DOCUMENT v3.25.3

CONTRACTS AND AGREEMENTS (Tables)

9 Months Ended

Sep. 30, 2025

CONTRACTS AND AGREEMENTS

Schedule of brokerage commissions

​

​	​	​	​	​	​	​	​
​	​	Nine months ended		​	Nine months ended		​
​		September 30, 2025			September 30, 2024		​
Total commissions accrued to brokers	​	$	63,531	​	$	82,066
Total commissions as annualized percentage of average total net assets	​		0.09	%		0.09	%

X

- Definition

Tabular disclosure of fees earned by the broker commission.

+ References

No definition available.

+ Details

Name:	bno_BrokerageCommissionsTableTextBlock
Namespace Prefix:	bno_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_ContractorsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration