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Creations and Redemptions of Shares - Additional Information (Details) | Sep. 30, 2024 shares
--- | ---
Equity [Abstract] |
Share represented as bitcoin | 0.0001

X
- Definition Common share equivalent of bitcoin. + References No definition available. + Details
Name: | btc_CommonShareEquivalentOfBitcoin
Namespace Prefix: | btc_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

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