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Segment Information - Schedule of Balance Sheet Information for Reportable Segments (Details) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Segment Reporting, Asset Reconciling Item [Line Items]    
Total assets $ 38,031 $ 36,385
Corporate and Other    
Segment Reporting, Asset Reconciling Item [Line Items]    
Total assets (4,167) 641
Las Vegas | Operating Segment    
Segment Reporting, Asset Reconciling Item [Line Items]    
Total assets 22,374 21,464
Regional | Operating Segment    
Segment Reporting, Asset Reconciling Item [Line Items]    
Total assets 14,419 13,732
Caesars Digital | Operating Segment    
Segment Reporting, Asset Reconciling Item [Line Items]    
Total assets 1,878 323
Managed and Branded | Operating Segment    
Segment Reporting, Asset Reconciling Item [Line Items]    
Total assets $ 3,527 $ 225