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CONTRACTS AND AGREEMENTS - Additional Information (Details) - USD ($)		6 Months Ended
	Oct. 01, 2022	Jun. 30, 2023
Maximum
CONTRACTS AND AGREEMENTS
Commission per round turn		$ 8
Minimum
CONTRACTS AND AGREEMENTS
Commission per round turn		$ 7
Marketing Agreement
CONTRACTS AND AGREEMENTS
Fee percentage	0.025%
Marketing Agreement | BNO's assets up to $3 billion
CONTRACTS AND AGREEMENTS
Fee percentage		0.06%
Marketing Agreement | BNO's assets up to $3 billion | Minimum
CONTRACTS AND AGREEMENTS
Base amount for determining fee percentage		$ 3,000,000,000
Marketing Agreement | BNO's assets in excess of $3 billion
CONTRACTS AND AGREEMENTS
Fee percentage		0.04%
Marketing Agreement | BNO's assets in excess of $3 billion | Maximum
CONTRACTS AND AGREEMENTS
Fee percentage		10.00%
Base amount for determining fee percentage		$ 3,000,000,000

X

- Definition

Percentage of base fee.

+ References

No definition available.

+ Details

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Namespace Prefix:	bno_
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Balance Type:	na
Period Type:	duration

X

- Definition

Amount of base fee.

+ References

No definition available.

+ Details

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Period Type:	instant

X

- Definition

Represents the commissions round turn trade including exchange fees.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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X

- Details

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X

- Details

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X

- Details

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X

- Details

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X

- Details

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