v3.26.1
Cover - $ / shares
 3 Months Ended
Mar. 31, 2026
May 12, 2026
Document Type 10-Q  
Amendment Flag false  
Document Quarterly Report true  
Document Transition Report false  
Document Period End Date Mar. 31, 2026  
Document Fiscal Period Focus Q1  
Document Fiscal Year Focus 2026  
Current Fiscal Year End Date --12-31  
Entity File Number 001-42988  
Entity Registrant Name NEW AMERICA ACQUISITION I CORP.  
Entity Central Index Key 0002074878  
Entity Tax Identification Number 39-2431245  
Entity Incorporation, State or Country Code FL  
Entity Address, Address Line One 590 Madison Avenue  
Entity Address, Address Line Two 39th Floor  
Entity Address, City or Town New York  
Entity Address, State or Province NY  
Entity Address, Postal Zip Code 10022  
City Area Code (917)  
Local Phone Number 576-6828  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company true  
Elected Not To Use the Extended Transition Period false  
Entity Shell Company true  
Units, each consisting of one share of Class A common stock, par value $0.0001 per share, and one-half of one redeemable warrant    
Title of 12(b) Security Units, each consisting of one share of Class A common stock, par value $0.0001 per share, and one-half of one redeemable warrant  
Trading Symbol NWAXU  
Security Exchange Name NYSE  
Class A common stock, par value $0.0001 per share    
Title of 12(b) Security Class A common stock, par value $0.0001 per share  
Trading Symbol NWAX  
Security Exchange Name NYSE  
Warrants included as part of the units, each whole warrant exercisable to purchase one share of Class A common stock at an exercise price of $11.50    
Title of 12(b) Security Warrants included as part of the units, each whole warrant exercisable to purchase one share of Class A common stock at an exercise price of $11.50  
Trading Symbol NWAXW  
Security Exchange Name NYSE  
Common Class A [Member]    
Entity Common Stock, Shares Outstanding   37,300,000
Entity Listing, Par Value Per Share $ 0.0001  
Common Class B [Member]    
Entity Common Stock, Shares Outstanding 12,500,000  
Entity Listing, Par Value Per Share $ 0.0001