Debt - Summary of Debt (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2015		Dec. 31, 2014		Dec. 31, 2013
Debt Instrument [Line Items]
Long-term Debt, Gross		$ 7,096
Long-term Debt		6,964		$ 23,009
Long-term Debt, Current Maturities		(187)		(15,779)
Long Term Debt Non Current Face Value		6,909
Long-term Debt, Excluding Current Maturities		6,777		7,230
Long-term Debt, Fair Value		6,421
Property EBITDA		1,303		1,689		$ 1,877
Caesars Entertainment Operating Company [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross	[1]	0
Long-term Debt				16,007
Long Term Debt, less Discount	[1]	0		15,930
Long-term Debt, Current Maturities				(15,700)
Debt Instrument - Additional Unamortized Discount				(77)
Caesars Entertainment Resort Properties [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross		4,694
Long-term Debt		4,627		4,754
Long-term Debt, Current Maturities		(117)		(39)
Long Term Debt Non Current Face Value		4,577
Long-term Debt, Excluding Current Maturities		4,510		4,715
Secured Debt [Member] | Caesars Entertainment Operating Company [Member]
Debt Instrument [Line Items]
Long-term Debt				9,884
Secured Debt [Member] | Term Loan [Member] | Caesars Entertainment Resort Properties [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross	[2]	2,450
Long-term Debt	[2]	$ 2,403		2,420
Debt Instrument, Interest Rate, Stated Percentage	[2],[3]	7.00%
Secured Debt [Member] | First Lien Notes [Member] | Caesars Entertainment Resort Properties [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross	[4]	$ 1,000
Long-term Debt	[4]	$ 992		990
Debt Instrument, Interest Rate, Stated Percentage	[3],[4]	8.00%
Secured Debt [Member] | Second Lien Notes [Member] | Caesars Entertainment Resort Properties [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross	[4]	$ 1,150
Long-term Debt	[4]	$ 1,138		1,137
Debt Instrument, Interest Rate, Stated Percentage	[3],[4]	11.00%
Line of Credit [Member] | Caesars Entertainment Operating Company [Member]
Debt Instrument [Line Items]
Long-term Debt	[5]			5,106
Line of Credit [Member] | Revolving Credit Facility [Member] | Caesars Entertainment Resort Properties [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross	[6]	$ 80
Long-term Debt		$ 80	[6]	180	[7]
Debt Instrument, Basis Spread on Variable Rate		6.00%
Debt Instrument, Description of Variable Rate Basis	[6]	Variable interest rate for amounts currently borrowed is calculated by adding LIBOR to a base rate of 6.00%.
Senior Notes [Member] | Subsidiary Guarantors Of Parent And Subsidiary Guaranteed Debt [Member] | Caesars Entertainment Operating Company [Member]
Debt Instrument [Line Items]
Long-term Debt				477
Unsecured Debt [Member] | Caesars Entertainment Operating Company [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross				238
Long-term Debt				77
Unsecured Debt [Member] | Other Debt Obligations [Member] | Caesars Entertainment Operating Company [Member]
Debt Instrument [Line Items]
Long-term Debt				463
Capital Lease Obligations [Member] | Caesars Entertainment Resort Properties [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross		$ 14
Long-term Debt		14		27
Variable Interest Entity, Primary Beneficiary [Member]
Debt Instrument [Line Items]
Long-term Debt, Current Maturities		(70)		(20)
Long-term Debt, Excluding Current Maturities		2,267		2,292
Variable Interest Entity, Primary Beneficiary [Member] | Caesars Growth Partners, LLC [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross		2,402
Long-term Debt		2,337		2,312
Long-term Debt, Current Maturities		(70)		(20)
Long Term Debt Non Current Face Value		2,332
Long-term Debt, Excluding Current Maturities		2,267		2,292
Variable Interest Entity, Primary Beneficiary [Member] | Secured Debt [Member] | Term Loan [Member] | Caesars Growth Partners, LLC [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross	[8]	1,157
Long-term Debt	[8]	$ 1,126		1,133
Debt Instrument, Interest Rate, Stated Percentage	[8],[9]	6.25%
Debt Instrument, Description of Variable Rate Basis	[8]	Variable interest rate calculated as a fixed rate plus the greater of LIBOR or a 1% floor. The rate is set at the 1% floor as of December 31, 2015.
Variable Interest Entity, Primary Beneficiary [Member] | Secured Debt [Member] | Revolving Credit Facility [Member] | Caesars Growth Partners, LLC [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross	[7]	$ 45
Long-term Debt	[7]	$ 45		0
Debt Instrument, Basis Spread on Variable Rate		5.25%
Debt Instrument, Description of Variable Rate Basis	[7]	Variable interest rate calculated as LIBOR plus 5.25%.
Variable Interest Entity, Primary Beneficiary [Member] | Secured Debt [Member] | CGPH Notes [Member] | Caesars Growth Partners, LLC [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross		$ 675	[10]	675
Long-term Debt	[10]	$ 660		659
Debt Instrument, Interest Rate, Stated Percentage	[9],[10]	9.38%
Variable Interest Entity, Primary Beneficiary [Member] | Secured Debt [Member] | Horseshoe Baltimore Credit Facility [Member] | Caesars Growth Partners, LLC [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross	[11]	$ 300
Long-term Debt	[11]	$ 288		$ 286
Debt Instrument, Interest Rate, Stated Percentage	[9],[11]			8.25%
Debt Instrument, Description of Variable Rate Basis	[11]	Variable interest rate calculated as a fixed rate plus the greater of LIBOR or a 1.25% floor. The rate is set at the 1.25% floor as of December 31, 2015.
Variable Interest Entity, Primary Beneficiary [Member] | Secured Debt [Member] | Horseshoe Baltimore FF&E Facility [Member] | Caesars Growth Partners, LLC [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross	[11]	$ 27
Long-term Debt	[11]	$ 27		$ 30
Debt Instrument, Description of Variable Rate Basis	[11]	Variable interest rate calculated as a fixed rate plus the greater of LIBOR or a 1.25% floor. The rate is set at the 1.25% floor as of December 31, 2015.
Variable Interest Entity, Primary Beneficiary [Member] | Secured Debt [Member] | Cromwell Credit Facility [Member] | Caesars Growth Partners, LLC [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross	[11]	$ 175
Long-term Debt	[11]	$ 169		178
Debt Instrument, Description of Variable Rate Basis	[11]	Variable interest rate calculated as a fixed rate plus the greater of LIBOR or a 1.25% floor. The rate is set at the 1.25% floor as of December 31, 2015.
Variable Interest Entity, Primary Beneficiary [Member] | Secured Debt [Member] | Other Debt Obligations [Member] | Caesars Growth Partners, LLC [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross		$ 5
Long-term Debt		$ 4		4
Debt Instrument, Interest Rate, Stated Percentage		8.00%
Variable Interest Entity, Primary Beneficiary [Member] | Line of Credit [Member] | Horseshoe Baltimore Credit Facility [Member] | Caesars Growth Partners, LLC [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross	[12]	$ 0
Long-term Debt	[12]	$ 0		0
Debt Instrument, Basis Spread on Variable Rate		7.00%
Debt Instrument, Description of Variable Rate Basis	[12]	Variable interest rate calculated as LIBOR plus 7.00%.
Variable Interest Entity, Primary Beneficiary [Member] | Line of Credit [Member] | Horseshoe Baltimore FF&E Facility [Member] | Caesars Growth Partners, LLC [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	[9],[11]	8.75%
Variable Interest Entity, Primary Beneficiary [Member] | Line of Credit [Member] | Cromwell Credit Facility [Member] | Caesars Growth Partners, LLC [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	[9],[11]	11.00%
Variable Interest Entity, Primary Beneficiary [Member] | Unsecured Debt [Member] | Special Improvement District Bonds [Member] | Caesars Growth Partners, LLC [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross		$ 14
Long-term Debt		$ 14		14
Debt Instrument, Interest Rate, Stated Percentage		5.30%
Variable Interest Entity, Primary Beneficiary [Member] | Capital Lease Obligations [Member] | Caesars Growth Partners, LLC [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross		$ 4
Long-term Debt		4		8
Parent Company [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross		0
Long-term Debt		$ 0		$ 13

[1] CEOC was deconsolidated effective January 15, 2015, therefore no amounts are reported for CEOC debt as of December 31, 2015. See Note 3.

[2] Variable interest rate calculated as a fixed rate plus the greater of LIBOR or a 1% floor. The rate is set at the 1% floor as of December 31, 2015.

[3] Interest rate is fixed, except where noted.

[4] Registered pursuant to a registration statement on Form S-4, which was declared effective on February 10, 2015

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

[6] Variable interest rate for amounts currently borrowed is calculated by adding LIBOR to a base rate of 6.00%.

[7] Variable interest rate calculated as LIBOR plus 5.25%.

[8] Variable interest rate calculated as a fixed rate plus the greater of LIBOR or a 1% floor. The rate is set at the 1% floor as of December 31, 2015.

[9] Interest rate is fixed, except where noted.

[10] Registered pursuant to a registration statement on Form S-4, which was declared effective on June 26, 2015.

[11] Variable interest rate calculated as a fixed rate plus the greater of LIBOR or a 1.25% floor. The rate is set at the 1.25% floor as of December 31, 2015.

[12] Variable interest rate calculated as LIBOR plus 7.00%.