v3.10.0.1
Document and Entity Information - USD ($)
$ in Billions
12 Months Ended
Dec. 31, 2018
Feb. 19, 2019
Jun. 30, 2018
Document Documentand Entity Information [Abstract]      
Document Type 10-K    
Amendment Flag false    
Entity Emerging Growth Company false    
Entity Small Business false    
Entity Shell Company false    
Document Fiscal Period Focus FY    
Document Period End Date Dec. 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 Large Accelerated Filer    
Entity Common Stock, Shares Outstanding   670,136,264  
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Entity Public Float     $ 7.4
Entity Well-known Seasoned Issuer Yes    
Trading Symbol CZR