Subsequent Events Subsequent Events - Accrued Restructuring and Support Expenses (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	Oct. 06, 2017	Sep. 30, 2017	Dec. 31, 2016
Subsequent Event [Line Items]
Accrued restructuring and support expenses		$ 8,776	$ 6,601
CEOC
Subsequent Event [Line Items]
Restructuring Reserve		1,840
Accrued restructuring and support expenses		8,776	6,601
Payment of creditor expenses, settlement charges, and other fees		182	195
CEOC | Subsequent Event [Member]
Subsequent Event [Line Items]
Stock Issued During Period, Shares, New Issues	420
Shares Issued, Price Per Share	$ 12.80
Payment of creditor expenses, settlement charges, and other fees | CEOC | Subsequent Event [Member]
Subsequent Event [Line Items]
Payment of creditor expenses, settlement charges, and other fees	$ 126
Issuance of CEC common stock [Member] | CEOC
Subsequent Event [Line Items]
Accrued restructuring and support expenses		4,507	2,936
Issuance of CEC Convertible Notes [Member] | CEOC
Subsequent Event [Line Items]
Other Commitment		2,240	1,600
PropCo Call Right [Member] | CEOC
Subsequent Event [Line Items]
Other Commitment		$ 189	$ 131
Common Stock Subject to Mandatory Redemption [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Stock Repurchased During Period, Shares	146
Sale of Stock, Price Per Share	$ 6.86
Common Stock Subject to Mandatory Redemption [Member] | CEOC | Subsequent Event [Member]
Subsequent Event [Line Items]
Stock Repurchased During Period, Shares	146
Common Stock Subject to Mandatory Redemption [Member] | New CEOC [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Sale of Stock, Price Per Share	$ 6.86