XML 32 R15.htm IDEA: XBRL DOCUMENT
v3.25.0.1

FINANCIAL HIGHLIGHTS | 12 Months Ended
--- | ---
Dec. 31, 2024
FINANCIAL HIGHLIGHTS |
FINANCIAL HIGHLIGHTS | NOTE 6 — FINANCIAL HIGHLIGHTS The following table presents per share performance data and other supplemental financial data for the years ended December 31, 2024, 2023 and 2022 for the shareholders. This information has been derived from information presented in the financial statements. ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Year ended |  | Year ended |  | Year ended | ​
​ | ​ | December 31, | ​ | December 31, | ​ | December 31, | ​
​ | ​ | 2024 | ​ | 2023 | ​ | 2022 | ​
Per Share Operating Performance: | ​ | ​ |  |  | ​ |  |  | ​ |  | ​
Net asset value, beginning of year | ​ | $ | 27.39 | ​ | $ | 28.26 | ​ | $ | 20.87 | ​
Total income (loss) | ​ |  | 3.09 | ​ |  | (0.61) | ​ |  | 7.68 | ​
Total expenses | ​ |  | (0.34) | ​ |  | (0.26) | ​ |  | (0.29) | ​
Net increase (decrease) in net asset value | ​ |  | 2.75 | ​ |  | (0.87) | ​ |  | 7.39 | ​
Net asset value, end of year | ​ | $ | 30.14 | ​ | $ | 27.39 | ​ | $ | 28.26 | ​
​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​
Total Return | ​ | ​ | 10.04 | % |  | (3.08) | % |  | 35.41 | %
​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​
Ratios to Average Net Assets | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​
Total income (loss) | ​ |  | 8.38 | % |  | (1.24) | % |  | 32.32 | %
Management fees | ​ |  | 0.75 | % |  | 0.75 | % |  | 0.75 | %
Total expenses excluding management fees | ​ |  | 0.39 | % |  | 0.19 | % |  | 0.25 | %
Net income (loss) | ​ | ​ | 7.23 | % |  | (2.18) | % |  | 31.32 | %
​

X
- References No definition available. + Details
Name: | bno_SupplementalFinancialInformationDisclosureAbstract
Namespace Prefix: | bno_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for supplemental financial information. + References No definition available. + Details
Name: | bno_SupplementalFinancialInformationDisclosureTextBlock
Namespace Prefix: | bno_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration