Segment Reporting Segment Reporting Income Statement (Details) - USD ($) $ in Millions	3 Months Ended				6 Months Ended				36 Months Ended
	Jun. 30, 2015		Jun. 30, 2014		Jun. 30, 2015		Jun. 30, 2014		Dec. 31, 2014
Management fees	$ 0		$ 15		$ 2		$ 28
Net revenues	1,141		2,140		2,395		4,173
Depreciation and amortization	96		157		198		305
Impairment of tangible and other intangible assets	0		17		0		50
Income/(loss) from operations	186		127		330		277
Interest Expense	147		654		384		1,246		$ 7,000
Gain on deconsolidation of subsidiary and other gains/(losses)	7		(27)		7,096		(27)
Income/(loss) from continuing operations, before income taxes	4		167		(188)		309
Caesars Entertainment Operating Company [Member] | International [Member]
Net revenues			72				155
Caesars Interactive Entertainment [Member] | International [Member]
Net revenues	148		105		289		193
Operating Segments [Member] | Caesars Entertainment Operating Company [Member]
Management fees	0		24	[1]	4		40	[2]
Net revenues	0		1,229	[1]	164		2,410	[2]
Depreciation and amortization	0		66	[1]	11		138	[2]
Impairment of tangible and other intangible assets	0		(3)	[1]	0		30	[2]
Income/(loss) from operations	0		59	[1]	9		107	[2]
Interest Expense	0		528		87		1,052
Gain on deconsolidation of subsidiary and other gains/(losses)	0		2	[1]	0		3	[2]
Income/(loss) from continuing operations, before income taxes	0		207	[1]	0		267	[2]
Operating Segments [Member] | Caesars Entertainment Resort Properties [Member]
Management fees	0		0		0		0
Net revenues	566		538		1,095		1,030
Depreciation and amortization	49		56		99		106
Impairment of tangible and other intangible assets	0		0		0		0
Income/(loss) from operations	126		69		233		128
Interest Expense	98		99		200		190
Gain on deconsolidation of subsidiary and other gains/(losses)	0		0		0		0
Income/(loss) from continuing operations, before income taxes	(11)		(1)		(13)		23
Operating Segments [Member] | Caesars Growth Partners, LLC [Member]
Management fees	0		0		0		0
Net revenues	390		294		780		586
Depreciation and amortization	38		26		71		47
Impairment of tangible and other intangible assets	0		0		0		0
Income/(loss) from operations	44		48		208		8
Interest Expense	47		61		94		76
Gain on deconsolidation of subsidiary and other gains/(losses)	1		28		0		78
Income/(loss) from continuing operations, before income taxes	0		(4)		0		(12)
Operating Segments [Member] | Caesars Interactive Entertainment [Member]
Management fees	0	[3]	0	[4]	0	[5]	0	[6]
Net revenues	186	[3]	145	[4]	363	[5]	269	[6]
Depreciation and amortization	8		7	[4]	16	[5]	14	[6]
Impairment of tangible and other intangible assets	0		0	[4]	0	[5]	0	[6]
Income/(loss) from operations	54	[3]	(3)	[4]	95	[5]	1	[6]
Interest Expense	1	[3]	1	[4]	3		2
Gain on deconsolidation of subsidiary and other gains/(losses)	0	[3]	0	[4]	0	[5]	0	[6]
Income/(loss) from continuing operations, before income taxes	(14)		19	[4]	(27)	[5]	18	[6]
Corporate, Non-Segment [Member]
Management fees	9		0		9		0
Net revenues	14		40		18		57
Depreciation and amortization	1		3		1		1
Impairment of tangible and other intangible assets	0		20		0		20
Income/(loss) from operations	(38)		(52)		(215)		27
Interest Expense	2		0		3		(1)
Gain on deconsolidation of subsidiary and other gains/(losses)	7		(16)		7,099		(29)
Income/(loss) from continuing operations, before income taxes	29		(54)		(148)		13
Intersegment Eliminations [Member]
Management fees	(9)		(9)		(11)		(12)
Net revenues	(15)		(106)		(25)		(179)
Depreciation and amortization	0		(1)		0		(1)
Impairment of tangible and other intangible assets	0		0		0		0
Income/(loss) from operations	0		6		0		6
Interest Expense	(1)		(35)		(3)		(73)
Gain on deconsolidation of subsidiary and other gains/(losses)	(1)		(41)		(3)		(79)
Income/(loss) from continuing operations, before income taxes	$ 0		$ 0		$ 0		$ 0

[1] Includes foreign net revenues of $72 million

[2] Includes foreign net revenues of $155 million

[3] Includes foreign net revenues of $148 million Three Months Ended June 30, 2014(In millions)CEOC (1) CERP CGP Casinos CIE (2) Other Elimination CaesarsManagement fees$24 $— $— $— $— $(9) $15Net revenues1,229 538 294 145 40 (106) 2,140Depreciation and amortization66 56 26 7 3 (1) 157Impairment of intangible and tangible assets(3) — — — 20 — 17Income/(loss) from operations59 69 48 (3) (52) 6 127Interest expense528 99 61 1 — (35) 654Other gains/(losses) 2 — 28 — (16) (41) (27)Income tax benefit/(provision) from continuing operations207 (1) (4) 19 (54) — 167

[4] Includes foreign net revenues of $105 million Six Months Ended June 30, 2015(In millions)CEOC CERP CGP Casinos CIE (1) Other Elimination CaesarsManagement fees$4 $— $— $— $9 $(11) $2Net revenues164 1,095 780 363 18 (25) 2,395Depreciation and amortization11 99 71 16 1 — 198Impairment of intangible and tangible assets— — — — — — —Income/(loss) from operations9 233 208 95 (215) — 330Interest expense87 200 94 3 3 (3) 384Gain on deconsolidation of subsidiary and other — — — — 7,099 (3) 7,096Income tax benefit/(provision) from continuing operations— (13) — (27) (148) — (188)

[5] Includes foreign net revenues of $289 million Six Months Ended June 30, 2014(In millions)CEOC (1) CERP CGP Casinos CIE (2) Other Elimination CaesarsManagement fees$40 $— $— $— $— $(12) $28Net revenues2,410 1,030 586 269 57 (179) 4,173Depreciation and amortization138 106 47 14 1 (1) 305Impairment of intangible and tangible assets30 — — — 20 — 50Income/(loss) from operations107 128 8 1 27 6 277Interest expense1,052 190 76 2 (1) (73) 1,246Other gains/(losses) 3 — 78 — (29) (79) (27)Income tax benefit/(provision) from continuing operations267 23 (12) 18 13 — 309

[6] Includes foreign net revenues of $193 million