Related Party Transactions (Details) - USD ($)					3 Months Ended
Related Party Transactions (Details) - USD ($)	Jul. 16, 2025	Jun. 16, 2025	May 23, 2025	Mar. 15, 2024	Mar. 31, 2026	Mar. 31, 2025	Mar. 27, 2026	Feb. 18, 2026	Dec. 31, 2025	Dec. 22, 2025	Sep. 19, 2025	Jun. 18, 2025	May 27, 2025	Aug. 02, 2024	Aug. 01, 2024
Related Party Transactions [Line Items]
Share price (in Dollars per share)					$ 18
Price per warrants (in Dollars per share)					$ 0.01
Director compensation expense					$ 448,250	$ 0
Accrued compensation					4,397,317				$ 4,796,309
Convertible Promissory Note [Member]
Related Party Transactions [Line Items]
Aggregate principal amount		$ 2,500,000
Unpaid principal balance		$ 1,500,000
2026 Note [Member]
Related Party Transactions [Line Items]
Aggregate loan expenses								$ 2,000,000
Non-Employee Director Compensation Plan [Member]
Related Party Transactions [Line Items]
Accrued compensation					488,250				0
Sponsor [Member]
Related Party Transactions [Line Items]
Convertible loans	$ 1,500,000
Sponsor [Member] \| 2026 Note [Member]
Related Party Transactions [Line Items]
Aggregate loan expenses					1,100,000
Related Party [Member]
Related Party Transactions [Line Items]
Due from related party					527				527
Outstanding amount					1,100,000
Related Party [Member] \| Convertible Promissory Note [Member]
Related Party Transactions [Line Items]
Borrowings										$ 500,000	$ 1,500,000	$ 500,000
Outstanding balance					2,500,000				$ 2,500,000
Related Party [Member] \| 2026 Note [Member]
Related Party Transactions [Line Items]
Borrowings							$ 500,000	$ 600,000
Founders Shares [Member] \| Sponsor [Member]
Related Party Transactions [Line Items]
Shares issued				7,187,500
Capital contribution				$ 25,000
Founders Shares [Member] \| Related Party [Member]
Related Party Transactions [Line Items]
Share price (in Dollars per share)				$ 0.004
Shares subject to forfeiture (in Shares)
Working Capital Loan [Member] \| Sponsor [Member]
Related Party Transactions [Line Items]
Convertible loans					$ 1,500,000
Warrant price (in Dollars per share)					$ 1
Private Placement Warrants [Member]
Related Party Transactions [Line Items]
Owned purchase price (in Shares)					8,337,500								3,293,750
Purchase price (in Dollars per share)		$ 1
Private Placement Warrants [Member] \| Sponsor [Member]
Related Party Transactions [Line Items]
Agreed to purchase (in Shares)					8,337,500
Owned purchase price (in Shares)			5,043,750		5,043,750								3,293,750
Aggregate purchase price			$ 6,467,500
Price per warrants (in Dollars per share)					$ 1
Class A Ordinary Shares [Member]
Related Party Transactions [Line Items]
Trading days					20 days
Consecutive trading day threshold					30 days
Initial business combination period					150 days
Par value (in Dollars per share)					$ 0.0001				$ 0.0001
Class A Ordinary Shares [Member] \| Related Party [Member]
Related Party Transactions [Line Items]
Share price (in Dollars per share)					$ 12
Class A Ordinary Shares [Member] \| Private Placement Warrants [Member]
Related Party Transactions [Line Items]
Purchase of each warrants (in Shares)					1
Price per warrants (in Dollars per share)					$ 11.5
Class A Ordinary Shares [Member] \| Private Placement Warrants [Member] \| Sponsor [Member]
Related Party Transactions [Line Items]
Purchase of each warrants (in Shares)					1
Class B Ordinary Shares [Member]
Related Party Transactions [Line Items]
Shares subject to forfeiture (in Shares)					937,500										937,500
Par value (in Dollars per share)					$ 0.0001				$ 0.0001
Class B Ordinary Shares [Member] \| Sponsor [Member]
Related Party Transactions [Line Items]
Agreed to purchase (in Shares)			7,187,500
Class B Ordinary Shares [Member] \| Related Party [Member]
Related Party Transactions [Line Items]
Par value (in Dollars per share)			$ 0.0001
Initial Public Offering [Member]
Related Party Transactions [Line Items]
Share price (in Dollars per share)														$ 10
Initial Public Offering [Member] \| Convertible Promissory Note [Member]
Related Party Transactions [Line Items]
Aggregate loan expenses					$ 300,000

M3-Brigade Acquisition V Corp. 10-Q