Description of Business Description of Business - Restructuring Expenses (Details) - Caesars Entertainment Operating Company [Member] - Nonoperating Income (Expense) - Other Restructuring [Member] - USD ($) $ in Millions		3 Months Ended	12 Months Ended
		Dec. 31, 2015	Dec. 31, 2015
Restructuring Cost and Reserve [Line Items]
Fixed payments (1)	[1]	$ 86	$ 406
Additional consideration (2)		25	163	[2]
Upfront payments (3)		$ 61	63	[3]
Total accrued restructuring and support expenses			1,018
Payment Guarantee [Member]
Restructuring Cost and Reserve [Line Items]
Bank Guaranty Settlement (4)	[4]		$ 386

[1] $86 million was paid in fourth quarter of 2015

[2] For the purposes of determining this amount, the Effective Date is estimated to be in the third quarter of 2016; however this date is outside of our control and is highly subject to change.

[3] $61 million was paid in fourth quarter of 2015

[4] The liability is primarily based on the terms of the settlement agreement for creditors that have agreed to the settlement. A portion of the liability was estimated for creditors who have not yet agreed, based on the assumption their settlement will be substantially equivalent to those who have agreed to the settlement.