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Creations and Redemptions of Shares - Additional Information (Detail) | Dec. 31, 2023 shares
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Equity [Abstract] |
Share represented as bitcoin | 0.0009

X
- Definition Common share equivalent of bitcoin. + References No definition available. + Details
Name: | gbtc_CommonShareEquivalentOfBitcoin
Namespace Prefix: | gbtc_
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