v3.26.1
Cover - shares
 3 Months Ended
Mar. 31, 2026
May 11, 2026
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Transition Report false  
Document Period End Date Mar. 31, 2026  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q1  
Entity Central Index Key 0001918414  
Entity Registrant Name NEWBRIDGE ACQUISITION LIMITED  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Entity File Number 001-42968  
Entity Incorporation, State or Country Code D8  
Entity Tax Identification Number 00-0000000  
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  
Entity Address, Postal Zip Code 00000  
City Area Code (86)  
Local Phone Number 186-0217-2929  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Shell Company true  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Entity Small Business true  
Class A Ordinary Shares    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   6,108,750
Class B Ordinary Shares    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   1,437,500
Units, each consisting of one Class A Ordinary Share and one Right to receive one-eighth (1/8) of one Class A Ordinary Share    
Document Information [Line Items]    
Title of 12(b) Security Units, each consisting of one Class A Ordinary Share and one Right to receive one-eighth (1/8) of one Class A Ordinary Share  
Trading Symbol NBRGU  
Security Exchange Name NASDAQ  
Class A Ordinary Shares, no par value each    
Document Information [Line Items]    
Title of 12(b) Security Class A Ordinary Shares, no par value each  
Trading Symbol NBRG  
Security Exchange Name NASDAQ  
Rights, each entitling the holder to receive one-eighth (1/8) of one Class A Ordinary Share    
Document Information [Line Items]    
Title of 12(b) Security Rights, each entitling the holder to receive one-eighth (1/8) of one Class A Ordinary Share  
Trading Symbol NBRGCR  
Security Exchange Name NASDAQ