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v3.25.2

Share Purchases and Redemptions - Additional Information (Detail) | 6 Months Ended
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Jun. 30, 2025 CreationUnit shares
Equity [Abstract] |
Minimum number of Creation Units that can be purchased | CreationUnit | 1
Number of shares issued per Creation Unit | shares | 50,000
Minimum number of Creation Units that can be redeemed | CreationUnit | 1
Number of shares that can be redeemed per Creation Unit | shares | 50,000
Share Purchases and Redemptions,Settlement of each creation or redemption period | 1 day

X
- Definition Minimum number of creation units of shares that can be purchased. + References No definition available. + Details
Name: | dbo_MinimumNumberOfCreationUnitsOfSharesThatCanBePurchased
Namespace Prefix: | dbo_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Minimum number of creation units of shares that can be redeemed. + References No definition available. + Details
Name: | dbo_MinimumNumberOfCreationUnitsOfSharesThatCanBeRedeemed
Namespace Prefix: | dbo_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of shares issued per creation unit. + References No definition available. + Details
Name: | dbo_NumberOfSharesIssuedPerCreationUnit
Namespace Prefix: | dbo_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of shares redeemable per creation unit. + References No definition available. + Details
Name: | dbo_NumberOfSharesRedeemablePerCreationUnit
Namespace Prefix: | dbo_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share purchase and redemptions settlement period creation and redemption. + References No definition available. + Details
Name: | dbo_SharePurchaseAndRedemptionsSettlementPeriodCreationAndRedemption
Namespace Prefix: | dbo_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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