Audit Information	12 Months Ended
Dec. 31, 2025
Auditor [Line Items]
Auditor Name	WithumSmith+Brown PC
Auditor Firm ID	100
Auditor Location	New York, New York
Auditor Opinion [Text Block]	We have audited the accompanying balance sheets of M3-Brigade Acquisition V Corp. as of December 31, 2025 and 2024, and the related statements of operations, changes in shareholders’ deficit and cash flow for the year ended December 31, 2025 and for the period March 12, 2025 (inception) through December 31, 2024, and the related notes (collectively referred to as the “financial statements”). In our opinion, the financial statements present fairly, in all material respects, the financial position of M3-Brigade Acquisition V Corp. as of December 31, 2025 and 2024, and the results of its operations and its cash flows for the year ended December 31, 2025 and for the period March 12, 2025 (inception) through December 31, 2024, in conformity with the accounting principles generally accepted in the United States of America.

100

We have audited the accompanying balance sheets of M3-Brigade Acquisition V Corp. as of December 31, 2025 and 2024, and the related statements of operations, changes in shareholders’ deficit and cash flow for the year ended December 31, 2025 and for the period March 12, 2025 (inception) through December 31, 2024, and the related notes (collectively referred to as the “financial statements”). In our opinion, the financial statements present fairly, in all material respects, the financial position of M3-Brigade Acquisition V Corp. as of December 31, 2025 and 2024, and the results of its operations and its cash flows for the year ended December 31, 2025 and for the period March 12, 2025 (inception) through December 31, 2024, in conformity with the accounting principles generally accepted in the United States of America.