v3.26.1
Cover - USD ($)
12 Months Ended
Dec. 31, 2025
Mar. 23, 2026
Jun. 30, 2025
Document Information [Line Items]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2025    
Document Fiscal Year Focus 2025    
Document Fiscal Period Focus FY    
Entity Registrant Name Newbridge Acquisition Limited    
Entity Central Index Key 0001918414    
Amendment Flag false    
Current Fiscal Year End Date --12-31    
Entity Small Business true    
Entity Filer Category Non-accelerated Filer    
Entity Emerging Growth Company true    
Entity File Number 001-42968    
Entity Incorporation, State or Country Code D8    
Entity Address, Address Line One Unit B 17/F    
Entity Address, Address Line Two Success Commercial Building245-25    
Entity Address, Address Line Three Hennessy Road    
Entity Address, City or Town Wanchai    
Entity Address, Country HK    
City Area Code (86)    
Local Phone Number 186-0217-2929    
Entity Address, Postal Zip Code 000000    
Document Transition Report false    
Entity Tax Identification Number 00-0000000    
Entity Ex Transition Period false    
Entity Interactive Data Current Yes    
Entity Current Reporting Status Yes    
Entity Shell Company true    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
ICFR Auditor Attestation Flag false    
Entity Public Float     $ 0
Document Financial Statement Error Correction [Flag] false    
Documents Incorporated by Reference [Text Block] None.    
Units, each consisting of one Class A Ordinary Share, no par value, and one Right entitling the holder to receive one-eighth of one Class A Ordinary Share      
Document Information [Line Items]      
Title of 12(b) Security Units, each consisting of one Class A Ordinary Share, no par value, and one Right entitling the holder to receive one    
Trading Symbol NBRGU    
Security Exchange Name NASDAQ    
Class A Ordinary Shares      
Document Information [Line Items]      
Entity Common Stock, Shares Outstanding   6,108,750  
Title of 12(b) Security Class A Ordinary Shares    
Trading Symbol NBRG    
Security Exchange Name NASDAQ    
Class B Ordinary Shares      
Document Information [Line Items]      
Entity Common Stock, Shares Outstanding   1,437,500  
Rights      
Document Information [Line Items]      
Title of 12(b) Security Rights    
Trading Symbol NBRGR    
Security Exchange Name NASDAQ