Cover - USD ($)
 12 Months Ended
Dec. 31, 2021
Apr. 01, 2022
Jun. 30, 2021
Cover [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Annual Report true    
Document Transition Report false    
Document Period End Date Dec. 31, 2021    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2021    
Current Fiscal Year End Date --12-31    
Entity File Number 000-52942    
Entity Registrant Name BLUE LINE PROTECTION GROUP, INC    
Entity Central Index Key 0001416697    
Entity Tax Identification Number 20-5543728    
Entity Incorporation, State or Country Code NV    
Entity Address, Address Line One 5765 Logan Street    
Entity Address, City or Town Denver    
Entity Address, State or Province CO    
Entity Address, Postal Zip Code 80216    
City Area Code 800    
Local Phone Number 844-5576    
Title of 12(g) Security Common Stock, $0.001 par value    
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 false    
Entity Shell Company false    
Entity Public Float     $ 11,001,000
Entity Common Stock, Shares Outstanding   8,485,144  
Documents Incorporated by Reference [Text Block] None.    
ICFR Auditor Attestation Flag false    
Auditor Firm ID 2738    
Auditor Name M&K CPAS, PLLC    
Auditor Location Houston, TX