v3.26.1
Cover - USD ($)
 7 Months Ended
Dec. 31, 2025
Mar. 31, 2026
Jun. 30, 2025
Document Type 10-K    
Amendment Flag false    
Document Annual Report true    
Document Transition Report false    
Document Period End Date Dec. 31, 2025    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2025    
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 Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
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    
Entity Public Float     $ 0
Inception date May 28, 2025    
ICFR Auditor Attestation Flag false    
Document Financial Statement Error Correction false    
Auditor Firm ID 206    
Auditor Opinion [Text Block] We have audited the accompanying balance sheet of New America Acquisition Corp. (the “Company”) as of December 31, 2025, and the related statements of operations, changes in shareholders’ equity, and cash flows for the period from May 28, 2025 (inception) through December 31, 2025, 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 the Company as of December 31, 2025, and the results of its operations and its cash flows for the period from May 28, 2025 (inception) through December 31, 2025, in conformity with accounting principles generally accepted in the United States of America.    
Auditor Name MaloneBailey, LLP    
Auditor Location Houston, Texas    
Units Each Consisting of One Share of Class Common Stock Par Value 0.0001 Per Share and One half of One Redeemable Warrant [Member]      
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 Common Stock Par Value 0.0001 Per Share [Member]      
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 [Member]      
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