v3.26.1
Summary of Significant Accounting Policies - Schedule of basic and diluted net income (loss) per ordinary share (Detail) - $ / shares
 8 Months Ended 12 Months Ended
Dec. 31, 2024
Dec. 31, 2025
Redeemable Class A Common Shares [Member]    
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]    
Basic, Allocation of net income $ 0 $ 2,552,644
Basic weighted average Ordinary Shares outstanding 0 12,681,507
Basic net income per Ordinary Share $ 0 $ 0.2
Diluted, Allocation of net income $ 0 $ 2,532,618
Diluted weighted average Ordinary Shares outstanding 0 12,681,507
Diluted net income per Ordinary Share $ 0 $ 0.2
Non Redeemable Class A Common Shares and Common Class B [Member]    
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]    
Basic, Allocation of net income $ (64,417) $ 1,331,148
Basic weighted average Ordinary Shares outstanding 5,833,333 6,613,128
Basic net income per Ordinary Share $ (0.01) $ 0.2
Diluted, Allocation of net income $ (64,417) $ 1,351,174
Diluted weighted average Ordinary Shares outstanding 5,833,333 6,765,696
Diluted net income per Ordinary Share $ (0.01) $ 0.2