v3.8.0.1
Document and Entity Information - shares
3 Months Ended
Mar. 31, 2018
Apr. 30, 2018
Document and Entity Information [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Fiscal Period Focus Q1  
Document Period End Date Mar. 31, 2018  
Document Fiscal Year Focus 2018  
Entity Registrant Name CAESARS ENTERTAINMENT Corp  
Entity Central Index Key 0000858339  
Current Fiscal Year End Date --12-31  
Entity Filer Category Accelerated Filer  
Entity Common Stock, Shares Outstanding   698,233,150
Entity Current Reporting Status Yes  
Entity Voluntary Filers No  
Entity Well-known Seasoned Issuer No  
Trading Symbol CZR