XML 10 R1.htm IDEA: XBRL DOCUMENT v3.23.2
Document and Entity Information - shares
 9 Months Ended
Jun. 30, 2023
Aug. 14, 2023
Document and Entity Information [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Transition Report false  
Document Period End Date Jun. 30, 2023  
Entity File Number 001-34887  
Entity Registrant Name MULLEN AUTOMOTIVE INC.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 86-3289406  
Entity Address, Address Line One 1405 Pioneer Street  
Entity Address, City or Town Brea  
Entity Address State Or Province CA  
Entity Address, Postal Zip Code 92821  
City Area Code 714  
Local Phone Number 613-1900  
Title of 12(b) Security Common Stock, par value $0.001 per share  
Trading Symbol MULN  
Security Exchange Name NASDAQ  
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 Common Stock, Shares Outstanding   184,168,720
Entity Central Index Key 0001499961  
Current Fiscal Year End Date --09-30  
Document Fiscal Year Focus 2023  
Document Fiscal Period Focus Q3  
Amendment Flag false