Revenue Recognition Revenue Recognition - Effect of Adopting New Revenue Recognition Standard (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017		Dec. 31, 2016
Receivables, net		$ 443		$ 443		$ 494
Property and equipment, net		15,844		15,844		16,154	[1]
Accrued expenses and other current liabilities (2)		1,247		1,247		1,326	[2]
Contract liabilities		146		146		129	[2]
Financing obligations		9,422		9,422		9,355	[1]
Deferred credits and other liabilities		1,301		1,301		1,474
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest		3,306	$ (3,536)	3,306	$ (3,536)	3,297		$ (1,607)
Net revenues		2,119	1,008	4,091	1,974
Total operating expenses		1,837	859	3,684	1,675
Income/(loss) from operations		282	149	407	299
Net loss		$ 29	(1,432)	$ (5)	(1,940)
Consolidation, Eliminations [Member]
Net loss			(5)		9
Adjustments for New Accounting Pronouncement [Member]
Receivables, net						(2)
Property and equipment, net	[1]					(74)
Accrued expenses and other current liabilities (2)	[2]					(133)
Contract liabilities	[2]					129
Financing obligations	[1]					(74)
Deferred credits and other liabilities						1
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest						1		2
Scenario, Previously Reported [Member]
Receivables, net						496
Property and equipment, net	[1]					16,228
Accrued expenses and other current liabilities (2)	[2]					1,459
Contract liabilities	[2]					0
Financing obligations	[1]					9,429
Deferred credits and other liabilities						1,473
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest						$ 3,296		$ (1,609)
Net revenues			1,002		1,965
Total operating expenses			853		1,667
Income/(loss) from operations			149		298
Net loss			(1,434)		(1,942)
Scenario, Previously Reported [Member] | Consolidation, Eliminations [Member]
Net revenues			0		0
Total operating expenses			0		0
Income/(loss) from operations			0		0
Net loss			(5)		9
Scenario, Previously Reported [Member] | Caesars Entertainment Corporation [Member]
Net revenues			1,002		1,965
Total operating expenses			845		1,650
Income/(loss) from operations			157		315
Net loss			(1,426)		(1,950)
Scenario, Previously Reported [Member] | Caesars Acquisition Company [Member]
Net revenues			0		0
Total operating expenses			8		17
Income/(loss) from operations			(8)		(17)
Net loss			$ (3)		$ (1)

[1] The conditions that were considered prohibited forms of continuing involvement related to our sale of the Golf Course Properties (see Note 7) are no longer considered continuing involvement under the new revenue recognition standard. As of result of adopting the new standard on a full retrospective basis, we are now reflecting this transaction as a completed sale in the period in which it occurred.

[2] Adjustments are primarily related to the reclassification of assets and liabilities in accordance with the new accounting and disclosure requirements.Effect of Adopting New Revenue Recognition Standard - Statements of Operations Three Months Ended June 30, 2017 Prior to Adoption Post Adoption(In millions)CEC CAC Eliminations Total TotalNet revenues$1,002 $— $— $1,002 $1,008Total operating expenses845 8 — 853 859Income/(loss) from operations157 (8) — 149 149Net loss(1,426) (3) (5) (1,434) (1,432)