Document and Entity Information - USD ($)
 3 Months Ended
Mar. 31, 2018
Jun. 30, 2017
Document and Entity Information:    
Entity Registrant Name Blue Line Protection Group, Inc.  
Document Type 10-Q  
Document Period End Date Mar. 31, 2018  
Trading Symbol blpg  
Amendment Flag false  
Entity Central Index Key 0001416697  
Current Fiscal Year End Date --12-31  
Entity Common Stock, Shares Outstanding   128,348,026
Entity Public Float   $ 58,718,685
Entity Filer Category Smaller Reporting Company  
Entity Current Reporting Status Yes  
Entity Voluntary Filers No  
Entity Well-known Seasoned Issuer No  
Document Fiscal Year Focus 2018  
Document Fiscal Period Focus Q1