Significant Accounting Policies (Details) - USD ($)		9 Months Ended
Significant Accounting Policies (Details) - USD ($)	Oct. 01, 2025	Sep. 30, 2025	Dec. 31, 2024	Sep. 30, 2024	Dec. 31, 2023
Significant Accounting Policies [Line Items]
Cash		$ 2,886,023
Working capital deficit		2,896,036
Working capital loan		2,500,000
Offering costs and advance from related party		0
Cash equivalents
Asset held in the trust account		2,000,000
FDIC coverage limit		250,000
Unrecognized tax benefits
Accrued interest and penalties
Tax provision		$ 0
Ordinary shares subject to forfeiture over-allotment (in Shares)		1,100,000
Public warrants or placement warrants outstanding (in Shares)
BTC Development Sponsor LLC [Member]
Significant Accounting Policies [Line Items]
Units issued (in Shares)		173,250
CCM [Member]
Significant Accounting Policies [Line Items]
Units issued (in Shares)		74,250
KBW [Member]
Significant Accounting Policies [Line Items]
Units issued (in Shares)		74,250
Cash and Cash Equivalents [Member]
Significant Accounting Policies [Line Items]
Received in advance		$ 3,200,000
Subsequent Event [Member]
Significant Accounting Policies [Line Items]
Price per unit (in Dollars per share)	$ 10
Units issued (in Shares)	760,000
Gross proceeds	$ 7,600,000
Subsequent Event [Member] \| BTC Development Sponsor LLC [Member]
Significant Accounting Policies [Line Items]
Units issued (in Shares)	512,500
Subsequent Event [Member] \| CCM [Member]
Significant Accounting Policies [Line Items]
Units issued (in Shares)	173,250
Subsequent Event [Member] \| KBW [Member]
Significant Accounting Policies [Line Items]
Units issued (in Shares)	74,250
Working Capital Loans [Member]
Significant Accounting Policies [Line Items]
Price per unit (in Dollars per share)		$ 10
Placement Units [Member]
Significant Accounting Policies [Line Items]
Working capital loan
Units issued (in Shares)		512,500
Initial Public Offering \| BTC Development Sponsor LLC [Member]
Significant Accounting Policies [Line Items]
Units issued (in Shares)		512,500
Initial Public Offering \| CCM [Member]
Significant Accounting Policies [Line Items]
Units issued (in Shares)		173,250
Initial Public Offering \| Subsequent Event [Member]
Significant Accounting Policies [Line Items]
Price per unit (in Dollars per share)	$ 10
Units issued (in Shares)	25,300,000
Gross proceeds	$ 253,000,000
Over-Allotment Option [Member] \| Subsequent Event [Member]
Significant Accounting Policies [Line Items]
Units issued (in Shares)	3,300,000
Gross proceeds	$ 253,000,000
Private Placement [Member]
Significant Accounting Policies [Line Items]
Units issued (in Shares)		760,000
Private Placement [Member] \| Subsequent Event [Member]
Significant Accounting Policies [Line Items]
Price per unit (in Dollars per share)	$ 10
Units issued (in Shares)	760,000
Private Placement [Member] \| Subsequent Event [Member] \| BTC Development Sponsor LLC [Member]
Significant Accounting Policies [Line Items]
Units issued (in Shares)	512,500
Private Placement [Member] \| Subsequent Event [Member] \| CCM [Member]
Significant Accounting Policies [Line Items]
Units issued (in Shares)	173,250
Private Placement [Member] \| Subsequent Event [Member] \| KBW [Member]
Significant Accounting Policies [Line Items]
Units issued (in Shares)	74,250

BTC Development Corp. 10-Q