XML 21 R7.htm IDEA: XBRL DOCUMENT v3.22.2.2

Condensed Statements of Operations (Unaudited) (Parenthetical)	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Condensed Statements of Operations (Unaudited)
Interest income	5.00%	5.00%	5.00%	5.00%

X

- Definition

The maximum percentage of paid in kind amount of interest income.

+ References

No definition available.

+ Details

Name:	bno_InterestIncomeMaximumPercentageOfPaidInKind
Namespace Prefix:	bno_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

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