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Recapitalization (Details)						3 Months Ended	10 Months Ended
Recapitalization (Details)	Mar. 31, 2026 USD ($) Bitcoin $ / shares	Jun. 25, 2025 USD ($) $ / shares shares	Jun. 23, 2025 USD ($)	Jun. 19, 2025 USD ($) $ / shares shares	Apr. 22, 2025 USD ($) shares	Mar. 31, 2026 USD ($) Bitcoin $ / shares shares	Dec. 31, 2025 USD ($) $ / shares	Dec. 08, 2025 $ / shares	Apr. 21, 2025
Recapitalization [Line Items]
Stock price (in Dollars per share) \| $ / shares	$ 10					$ 10
Reverse recapitalization						$ 81,874,382
Converted shares \| shares						1,141,771
Subscription amount					$ 7,500,000
Convertible Notes [Member]
Recapitalization [Line Items]
Principal amount		$ 486,500,000
Bitcoin [Member]
Recapitalization [Line Items]
Loss on purchase of Bitcoin							$ 61,234,873
Company paid							$ 713,199,992
April In-Kind PIPE Bitcoin [Member]
Recapitalization [Line Items]
Bitcoin value (in Bitcoin)					259.2396
Option PIPE Bitcoin [Member]
Recapitalization [Line Items]
Aggregate bitcoin (in Bitcoin) \| Bitcoin	10,500					10,500
June Equity PIPE Investors [Member] \| Softbank [Member]
Recapitalization [Line Items]
Share price (in Dollars per share) \| $ / shares	$ 21					$ 21
Convertible Notes Subscription Agreements [Member] \| Convertible Notes [Member]
Recapitalization [Line Items]
Interest rate, percentage					1.00%
Subscription Agreements [Member] \| June In-Kind PIPE Bitcoin [Member]
Recapitalization [Line Items]
Bitcoin value (in Bitcoin)				132.9547
Business Combination Agreement [Member]
Recapitalization [Line Items]
Proceeds from convertible debt						$ 52,000,000
Bitcoin value (in Bitcoin)	4,812.220927					4,812.220927			84,863.57
Aggregate purchase price						$ 458,700,000
Business Combination Agreement [Member] \| Option PIPE Bitcoin [Member]
Recapitalization [Line Items]
Bitcoin value (in Bitcoin)	917.47360612					917.47360612
Aggregate purchase price						$ 99,500,000
Business Combination Agreement [Member] \| Holdback [Member]
Recapitalization [Line Items]
Proceeds from convertible debt						$ 500,000
June PIPE Bitcoin Sale and Purchase Agreement [Member]
Recapitalization [Line Items]
Aggregate purchase price			$ 147,500,000
June PIPE Bitcoin Sale and Purchase Agreement [Member] \| Option PIPE Bitcoin [Member]
Recapitalization [Line Items]
Bitcoin value (in Bitcoin)			1,381.15799423
Contribution Agreement [Member]
Recapitalization [Line Items]
Aggregate bitcoin (in Bitcoin) \| Bitcoin	31,500					31,500
Contribution Agreement [Member] \| Tether [Member]
Recapitalization [Line Items]
Aggregate bitcoin (in Bitcoin) \| Bitcoin	24,500					24,500
Contribution Agreement [Member] \| Bitfinex [Member]
Recapitalization [Line Items]
Aggregate bitcoin (in Bitcoin) \| Bitcoin	7,000					7,000
Sponsor Support Agreement [Member] \| Convertible Notes [Member]
Recapitalization [Line Items]
Principal amount		$ 486,500,000
Gross proceeds, percentage		1.50%
Service Agreement [Member]
Recapitalization [Line Items]
Subsidiaries in exchange for a services fee	$ 30,000
April Equity PIPE Subscription Agreement [Member]
Recapitalization [Line Items]
Bitcoin value (in Bitcoin)					347.6168
Crypto Asset Bitcoin Contributed Difference					88.3771
June PIPE Net Proceeds [Member] \| June PIPE Bitcoin Sale and Purchase Agreement [Member]
Recapitalization [Line Items]
Proceeds from aggregate cash gross			$ 3,300,000
Maximum [Member]
Recapitalization [Line Items]
Founder shares, term						12 months
Minimum [Member]
Recapitalization [Line Items]
Founder shares, term						6 months
Class B Common Stock [Member]
Recapitalization [Line Items]
Common stock, par value \| $ / shares	$ 0.01					$ 0.01	$ 0.01
Common stock, voting rights	one
Class A Common Stock [Member]
Recapitalization [Line Items]
Common stock, par value \| $ / shares	$ 0.01					0.01	$ 0.01
Share price (in Dollars per share) \| $ / shares	$ 10					$ 10
Class A Common Stock [Member] \| Subscription Agreements [Member] \| April Equity PIPE Shares [Member]
Recapitalization [Line Items]
Purchased shares aggregate value					$ 200,000,000
Number of shares purchased \| shares					20,000,000
Class A Common Stock [Member] \| Subscription Agreements [Member] \| June Equity PIPE Shares [Member]
Recapitalization [Line Items]
Share price (in Dollars per share) \| $ / shares				$ 21
Purchased shares aggregate value				$ 165,000,000
Number of shares purchased \| shares				7,857,143
Class A Common Stock [Member] \| Subscription Agreements [Member] \| April Equity PIPE Investors [Member]
Recapitalization [Line Items]
Shares issued (in Shares) \| shares						20,000,000
Class A Common Stock [Member] \| Subscription Agreements [Member] \| June Equity PIPE Investors [Member]
Recapitalization [Line Items]
Shares issued (in Shares) \| shares						7,857,143
CEP Class A Ordinary Shares [Member]
Recapitalization [Line Items]
Common stock, par value \| $ / shares								$ 0.0001
CEP Class A Ordinary Shares [Member] \| Sponsor Support Agreement [Member]
Recapitalization [Line Items]
Redemption shares issued (in Shares) \| shares		7,084,804
CEP Class A Ordinary Shares [Member] \| Sponsor Support Agreement [Member] \| Conversion [Member]
Recapitalization [Line Items]
Public shares not subject to redemption percentage		25.00%
Twenty One Assets Class A Interests [Member] \| Contribution Agreement [Member] \| Tether [Member]
Recapitalization [Line Items]
Aggregate bitcoin (in Bitcoin) \| Bitcoin	208					208
Twenty One Assets Class A Interests [Member] \| Contribution Agreement [Member] \| Bitfinex [Member]
Recapitalization [Line Items]
Aggregate bitcoin (in Bitcoin) \| Bitcoin	59					59
Twenty One Assets Class B Interests [Member] \| Contribution Agreement [Member] \| Tether [Member]
Recapitalization [Line Items]
Aggregate bitcoin (in Bitcoin) \| Bitcoin	208					208
Twenty One Assets Class B Interests [Member] \| Contribution Agreement [Member] \| Bitfinex [Member]
Recapitalization [Line Items]
Aggregate bitcoin (in Bitcoin) \| Bitcoin	59					59
CEP Class B Ordinary Shares [Member]
Recapitalization [Line Items]
Common stock, par value \| $ / shares	$ 0.0001					$ 0.0001		0.01
CEP Merger [Member]
Recapitalization [Line Items]
Common stock, par value \| $ / shares								$ 0.01
April PIPE Investments [Member] \| Sponsor Support Agreement [Member]
Recapitalization [Line Items]
Gross proceeds, percentage		1.50%
April PIPE Investments [Member] \| CEP Class A Ordinary Shares [Member] \| Sponsor Support Agreement [Member]
Recapitalization [Line Items]
Stock price (in Dollars per share) \| $ / shares		$ 10