| Cover | Oct. 01, 2024 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Oct. 01, 2024 |
| Entity File Number | 001-41909 |
| Entity Registrant Name | CoinShares Valkyrie Bitcoin Fund |
| Entity Central Index Key | 0001841175 |
| Entity Tax Identification Number | 86-6430837 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 320 Seven Springs Way |
| Entity Address, Address Line Two | Suite 250 |
| Entity Address, City or Town | Brentwood |
| Entity Address, State or Province | TN |
| Entity Address, Postal Zip Code | 37027 |
| City Area Code | (218) |
| Local Phone Number | 255-9743 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Shares of Beneficial Interest of CoinShares Valkyrie Bitcoin Fund |
| Trading Symbol | BRRR |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | true |
| Elected Not To Use the Extended Transition Period | false |
