v3.26.1
Cover
May 15, 2026
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date May 15, 2026
Entity File Number 000-28831
Entity Registrant Name CAPSTONE COMPANIES, INC.
Entity Central Index Key 0000814926
Entity Tax Identification Number 84-1047159
Entity Incorporation, State or Country Code FL
Entity Address, Address Line One Number 144-V
Entity Address, Address Line Two 10 Fairway Drive Suite 100
Entity Address, City or Town Deerfield Beach
Entity Address, State or Province FL
Entity Address, Postal Zip Code 33441
City Area Code (954)
Local Phone Number 570-8889, ext. 313
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false