Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

Document and Entity Information - shares
9 Months Ended
Sep. 30, 2020
Nov. 16, 2020
Document and Entity Information [Abstract]    
Entity Registrant Name 180 Life Sciences Corp.  
Entity Central Index Key 0001690080  
Amendment Flag true  
Amendment Description As previously reported in the Registrant's Current Report on Form 8-K, filed with the Securities and Exchange Commission (the "SEC" or the "Commission") on December 31, 2020, on December 29, 2020, the Board of Directors of the Registrant concluded, after discussion with the Registrant's management and the independent registered public accounting firm for KBL (defined below), that the consolidated financial statements of the Registrant, which were prepared by the former KBL management for the interim period ended September 30, 2020, should no longer be relied upon due to errors in the consolidated financial statements and should be restated. The purpose of this Amended Quarterly Report on Form 10-Q/A for the quarterly period ended September 30, 2020 is to amend the Form 10-Q filed with the Securities and Exchange Commission on November 24, 2020 (the "Form 10-Q") to include additional disclosures related to contingent liabilities and to restate the financial statements to record certain previously unrecorded liabilities and other transactions. See Note 14 to the restated consolidated financial statements included herein for additional details.  
Current Fiscal Year End Date --12-31  
Document Type 10-Q/A  
Document Period End Date Sep. 30, 2020  
Document Fiscal Year Focus 2020  
Document Fiscal Period Focus Q3  
Entity Filer Category Non-accelerated Filer  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Small Business true  
Entity File Number 001-38105  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   18,032,018
Entity Incorporation State Country Code DE