Segment Reporting Segment Reporting Income Statement (Details) - USD ($)	3 Months Ended					9 Months Ended				36 Months Ended
	Sep. 30, 2015		Dec. 31, 2014	Sep. 30, 2014		Sep. 30, 2015		Sep. 30, 2014		Dec. 31, 2014
Segment Reporting Information [Line Items]
Management fees	$ 0			$ 16,000,000		$ 2,000,000		$ 45,000,000
Net revenues	1,141,000,000			2,212,000,000		3,535,000,000		6,385,000,000
Depreciation and amortization	98,000,000			165,000,000		296,000,000		471,000,000
Impairment of goodwill	0		$ 0	289,000,000		0		289,000,000
Impairment of tangible and other intangible assets	0			210,000,000		0		260,000,000
Income/(loss) from operations	139,000,000			(328,000,000)		469,000,000		(50,000,000)
Interest Expense	147,000,000			708,000,000		531,000,000		1,954,000,000		$ 7,000,000,000
Deconsolidation and restructuring of CEOC and other	(935,000,000)			(66,000,000)		6,162,000,000		(94,000,000)
Income tax benefit/(provision) from continuing operations	187,000,000			170,000,000		(1,000,000)		480,000,000
Operating Segments [Member] | Caesars Entertainment Operating Company [Member]
Segment Reporting Information [Line Items]
Management fees				28,000,000	[1]	4,000,000		68,000,000	[2]
Net revenues				1,253,000,000	[1]	164,000,000		3,663,000,000	[2]
Depreciation and amortization				80,000,000	[1]	11,000,000		218,000,000	[2]
Impairment of goodwill				180,000,000		0		164,000,000
Impairment of tangible and other intangible assets				208,000,000	[1]	0		254,000,000
Income/(loss) from operations				(305,000,000)	[1]	9,000,000		(198,000,000)	[2]
Interest Expense				579,000,000		87,000,000		1,631,000,000
Deconsolidation and restructuring of CEOC and other				(101,000,000)		0		(98,000,000)
Income tax benefit/(provision) from continuing operations				170,000,000	[1]	0		436,000,000	[2]
Operating Segments [Member] | Caesars Entertainment Resort Properties [Member]
Segment Reporting Information [Line Items]
Management fees	0			0		0		0
Net revenues	542,000,000			536,000,000		1,637,000,000		1,566,000,000
Depreciation and amortization	52,000,000			48,000,000		151,000,000		153,000,000
Impairment of goodwill	0			118,000,000		0		118,000,000
Impairment of tangible and other intangible assets	0			0		0		0
Income/(loss) from operations	99,000,000			(49,000,000)		333,000,000		79,000,000
Interest Expense	99,000,000			99,000,000		299,000,000		288,000,000
Deconsolidation and restructuring of CEOC and other	0			0		0		0
Income tax benefit/(provision) from continuing operations	0			(1,000,000)		(13,000,000)		21,000,000
Operating Segments [Member] | Caesars Growth Partners, LLC [Member]
Segment Reporting Information [Line Items]
Management fees	0			2,000,000		0		2,000,000
Net revenues	407,000,000			324,000,000		1,186,000,000		910,000,000
Depreciation and amortization	39,000,000			31,000,000		110,000,000		77,000,000
Impairment of goodwill	0			0		0		0
Impairment of tangible and other intangible assets	0			0		0		0
Income/(loss) from operations	44,000,000			60,000,000		251,000,000		68,000,000
Interest Expense	50,000,000			42,000,000		144,000,000		118,000,000
Deconsolidation and restructuring of CEOC and other	1,000,000			55,000,000		1,000,000		133,000,000
Income tax benefit/(provision) from continuing operations	0			(1,000,000)		0		(13,000,000)
Operating Segments [Member] | Caesars Interactive Entertainment [Member]
Segment Reporting Information [Line Items]
Management fees	0	[3]		0	[4]	0	[5]	0	[6]
Net revenues	195,000,000	[3]		162,000,000	[4]	557,000,000	[5]	431,000,000	[6]
Depreciation and amortization	7,000,000			7,000,000	[4]	23,000,000	[5]	21,000,000	[6]
Impairment of goodwill	0			0		0		0
Impairment of tangible and other intangible assets	0			2,000,000	[4]	0	[5]	2,000,000
Income/(loss) from operations	43,000,000	[3]		21,000,000	[4]	136,000,000	[5]	22,000,000	[6]
Interest Expense	1,000,000	[3]		2,000,000	[4]	4,000,000		4,000,000
Deconsolidation and restructuring of CEOC and other	5,000,000			0		5,000,000		0
Income tax benefit/(provision) from continuing operations	(21,000,000)			(37,000,000)	[4]	(48,000,000)	[5]	(19,000,000)	[6]
Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Management fees	2,000,000			(1,000,000)		11,000,000		(1,000,000)
Net revenues	4,000,000			28,000,000		22,000,000		89,000,000
Depreciation and amortization	0			(1,000,000)		1,000,000		4,000,000
Impairment of goodwill	0			(9,000,000)		0		7,000,000
Impairment of tangible and other intangible assets	0			0		0		4,000,000
Income/(loss) from operations	(47,000,000)			(55,000,000)		(260,000,000)		(27,000,000)
Interest Expense	(2,000,000)			0		1,000,000		1,000,000
Deconsolidation and restructuring of CEOC and other	(940,000,000)			(6,000,000)		6,160,000,000		(35,000,000)
Income tax benefit/(provision) from continuing operations	208,000,000			39,000,000		60,000,000		55,000,000
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Management fees	(2,000,000)			(13,000,000)		(13,000,000)		(24,000,000)
Net revenues	(7,000,000)			(91,000,000)		(31,000,000)		(274,000,000)
Depreciation and amortization	0			0		0		(2,000,000)
Impairment of goodwill	0			0		0		0
Impairment of tangible and other intangible assets	0			0		0		0
Income/(loss) from operations	0			0		0		6,000,000
Interest Expense	(1,000,000)			(14,000,000)		(4,000,000)		(88,000,000)
Deconsolidation and restructuring of CEOC and other	(1,000,000)			(14,000,000)		(4,000,000)		(94,000,000)
Income tax benefit/(provision) from continuing operations	0			0		0		0
International [Member] | Caesars Entertainment Operating Company [Member]
Segment Reporting Information [Line Items]
Net revenues				86,000,000				241,000,000
International [Member] | Caesars Interactive Entertainment [Member]
Segment Reporting Information [Line Items]
Net revenues	$ 156,000,000			$ 121,000,000		$ 445,000,000		$ 316,000,000

[1] Includes foreign net revenues of $86 million

[2] Includes foreign net revenues of $241 million

[3] Includes foreign net revenues of $156 million Three Months Ended September 30, 2014(In millions)CEOC (1) CERP CGP Casinos CIE (2) Other Elimination CaesarsManagement fees$28 $— $2 $— $(1) $(13) $16Net revenues1,253 536 324 162 28 (91) 2,212Depreciation and amortization80 48 31 7 (1) — 165Impairment of goodwill180 118 — — (9) — 289Impairment of intangible and tangible assets208 — — 2 — — 210Income/(loss) from operations(305) (49) 60 21 (55) — (328)Interest expense579 99 42 2 — (14) 708Deconsolidation and restructuring of CEOC and other(101) — 55 — (6) (14) (66)Income tax benefit/(provision) from continuing operations170 (1) (1) (37) 39 — 170

[4] Includes foreign net revenues of $121 million Nine Months Ended September 30, 2015(In millions)CEOC CERP CGP Casinos CIE (1) Other Elimination CaesarsManagement fees$4 $— $— $— $11 $(13) $2Net revenues164 1,637 1,186 557 22 (31) 3,535Depreciation and amortization11 151 110 23 1 — 296Impairment of goodwill— — — — — — —Impairment of intangible and tangible assets— — — — — — —Income/(loss) from operations9 333 251 136 (260) — 469Interest expense87 299 144 4 1 (4) 531Deconsolidation and restructuring of CEOC and other— — 1 5 6,160 (4) 6,162Income tax benefit/(provision) from continuing operations— (13) — (48) 60 — (1)

[5] Includes foreign net revenues of $445 million Nine Months Ended September 30, 2014(In millions)CEOC (1) CERP CGP Casinos CIE (2) Other Elimination CaesarsManagement fees$68 $— $2 $— $(1) $(24) $45Net revenues3,663 1,566 910 431 89 (274) 6,385Depreciation and amortization218 153 77 21 4 (2) 471Impairment of goodwill164 118 — — 7 — 289Impairment of intangible and tangible assets254 — — 2 4 — 260Income/(loss) from operations(198) 79 68 22 (27) 6 (50)Interest expense1,631 288 118 4 1 (88) 1,954Deconsolidation and restructuring of CEOC and other(98) — 133 — (35) (94) (94)Income tax benefit/(provision) from continuing operations436 21 (13) (19) 55 — 480

[6] Includes foreign net revenues of $316 million