XML 54 R44.htm IDEA: XBRL DOCUMENT
v3.25.1

Subsequent Events - Additional Information (Details) - $ / shares | Apr. 28, 2025 | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | --- | ---
Subsequent Event [Line Items] |  |  |
Bitcoin fair value per share |  | $ 82,443.85 |
BTC Trust [Member] |  |  |
Subsequent Event [Line Items] |  |  |
Bitcoin fair value per share |  |  | $ 93,390.22
Subsequent Events [Member] |  |  |
Subsequent Event [Line Items] |  |  |
Bitcoin fair value per share | $ 94,813.63 |  |
Subsequent Events [Member] | BTC Trust [Member] |  |  |
Subsequent Event [Line Items] |  |  |
Business closing date | Apr. 28, 2025 |  |

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- Definition Bitcoin fair value per share + References No definition available. + Details
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Namespace Prefix: | btc_
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Balance Type: | na
Period Type: | instant

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- Definition Business closing date. + References No definition available. + Details
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Namespace Prefix: | btc_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 830 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481674/830-30-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 855 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483399/855-10-50-2 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | dei_LegalEntityAxis=btc_BTCTrustMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |