v3.26.1
Cover
12 Months Ended
Dec. 31, 2025
Entity Addresses [Line Items]  
Document Type POS AM
Amendment Flag true
Amendment Description The Company is filing this Post-Effective Amendment No. 1 to the registration statement on Form S-1 (No. 333-287396) (the “Registration Statement”) (this “Post-Effective Amendment”) to (i) update the contents of the prospectus contained in the Registration Statement to comply with Section 10(a)(3) of the Securities Act, as amended, (the “Securities Act”), in connection with the continuous offering of the securities registered under the Registration Statement pursuant to Rule 415 under the Securities Act, and (ii) update and supplement the information contained in the Registration Statement pursuant to the undertakings included therein, including to reflect the information contained in the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2025, filed with the Securities and Exchange Commission on March 30, 2026. No additional securities are being registered on this Post-Effective Amendment. All applicable registration fees have been paid.  
Entity Registrant Name NEWHYDROGEN, INC.
Entity Central Index Key 0001371128
Entity Tax Identification Number 20-4754291
Entity Incorporation, State or Country Code NV
Entity Address, Address Line One 27936 Vista Canyon Blvd
Entity Address, Address Line Two Suite 202
Entity Address, City or Town Santa Clarita
Entity Address, State or Province CA
Entity Address, Postal Zip Code 91387
City Area Code 661
Local Phone Number 251-0001
Entity Filer Category Non-accelerated Filer
Entity Small Business true
Entity Emerging Growth Company false
Business Contact [Member]  
Entity Addresses [Line Items]  
Entity Address, Address Line One 27936 Vista Canyon Blvd
Entity Address, Address Line Two Suite 202
Entity Address, City or Town Santa Clarita
Entity Address, State or Province CA
Entity Address, Postal Zip Code 91387
City Area Code 661
Local Phone Number 251-0001
Contact Personnel Name Steven Hill