v3.26.1
Cover
 12 Months Ended
Dec. 31, 2025
Entity Addresses [Line Items]  
Document Type POS AM
Amendment Flag true
Amendment Description POST-EFFECTIVE AMENDMENT No. 6 And POST-EFFECTIVE AMENDMENT No. 7
Entity Registrant Name KRAIG BIOCRAFT LABORATORIES, INC.
Entity Central Index Key 0001413119
Entity Tax Identification Number 83-0459707
Entity Incorporation, State or Country Code WY
Entity Address, Address Line One 2723 South State St. Suite 150
Entity Address, City or Town Ann Arbor
Entity Address, State or Province MI
Entity Address, Postal Zip Code 48104
City Area Code (734)
Local Phone Number 619-8066
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 2723 South State St., Suite 150
Entity Address, City or Town Ann Arbor
Entity Address, State or Province MI
Entity Address, Postal Zip Code 48104
City Area Code (734)
Local Phone Number 619-8066
Contact Personnel Name Kim Thompson, CEO