Debt Debt - CEOC (Details) - USD ($) $ in Millions		Jun. 30, 2015	Dec. 31, 2014
Long-term Debt		$ 7,024	$ 23,009
Caesars Entertainment Operating Company [Member]
Long-term Debt			16,007
Debt Instrument - Additional Unamortized Discount			(77)
Long Term Debt, less Discount		$ 0	15,930
Caesars Entertainment Operating Company [Member] | Line of Credit [Member]
Long-term Debt	[1]		5,106
Caesars Entertainment Operating Company [Member] | Secured Debt [Member]
Long-term Debt			9,884
Caesars Entertainment Operating Company [Member] | Subsidiary Guarantors Of Parent And Subsidiary Guaranteed Debt [Member]
Long-term Debt			477
Caesars Entertainment Operating Company [Member] | Unsecured Debt [Member]
Long-term Debt			463
Caesars Entertainment Operating Company [Member] | Long-term Debt, Other [Member]
Long-term Debt			$ 77

[1] guarantees collection of amounts under the CEOC Credit Facilities (see Note 1)