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DOCUMENT AND ENTITY INFORMATION - shares
9 Months Ended
Sep. 30, 2018
Nov. 13, 2018
Document and Entity Information [Abstract]    
Document Type 10-Q  
Document Period End Date Sep. 30, 2018  
Document Fiscal Period Focus Q3  
Document Fiscal Year Focus 2018  
Amendment Flag false  
Entity Registrant Name AXA EQUITABLE LIFE INSURANCE CO  
Entity Central Index Key 0000727920  
Entity Current Reporting Status Yes  
Current Fiscal Year End Date --12-31  
Entity Filer Category Non-accelerated Filer  
Entity Emerging Growth Company false  
Entity Small Business false  
Entity Common Stock Shares Outstanding   2,000,000