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Fair Value of Bitcoin - Schedule of Changes in Quantity of Bitcoin (Details) $ in Thousands	1 Months Ended	3 Months Ended								12 Months Ended
	Dec. 31, 2023 USD ($)	Dec. 31, 2025 USD ($)	Sep. 30, 2025 USD ($)	Jun. 30, 2025 USD ($)	Mar. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Sep. 30, 2024 USD ($)	Jun. 30, 2024 USD ($)	Mar. 31, 2024 USD ($)	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)
Fair Value of Bitcoin [Abstract]
Quantity of bitcoin, Beginning balance					46,607.1028					46,607.1028
Fair Value, Beginning balance					$ 4,352,648					$ 4,352,648
Quantity of bitcoin, Bitcoin purchased										57,400.567	95,498.6291
Fair Value, Bitcoin purchased										$ 5,811,330	$ 5,903,861
Quantity of bitcoin, Bitcoin sold										(66,238.324)	(48,891.5263)
Fair Value, Bitcoin sold										$ (6,646,047)	$ (3,448,694)
Quantity of bitcoin, Net realized gain on investment in bitcoin sold to pay Sponsor fee
Fair Value, Net realized gain on investment in bitcoin sold to pay Sponsor fee										$ 1,924	$ 825
Quantity of bitcoin, Net realized gain on investment in bitcoin sold for redemptions
Fair Value, Net realized gain on investment in bitcoin sold for redemptions										$ 1,234,569	$ 621,878
Quantity of bitcoin, Change in unrealized appreciation on investment in bitcoin
Fair Value, Change in unrealized appreciation on investment in bitcoin		$ (1,264,945)	$ (136,721)	$ 859,932	$ (907,296)	$ 978,375	$ (5,609)	$ (543,311)	$ 845,323	$ (1,449,030)	$ 1,274,778	[1]
Quantity of bitcoin, Ending balance		37,769.3458				46,607.1028				37,769.3458	46,607.1028
Fair Value, Ending balance		$ 3,305,394				$ 4,352,648				$ 3,305,394	$ 4,352,648
[1] No comparative statement for 2023 has been provided as 2024 is the first fiscal year of the Trust’s operations

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