Segment Reporting - Property EBITDA (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015		Dec. 31, 2014		Dec. 31, 2013
Segment Reporting Information [Line Items]
Net income/(loss) attributable to company	$ (76)	$ (791)	$ 15	$ 6,772	$ (1,023)	$ (908)	$ (466)	$ (386)	$ 5,920		$ (2,783)		$ (2,948)
Net income/(loss) attributable to noncontrolling interests									132		(83)		8
Loss from discontinued operations, net of income taxes									7		192		207
Income Tax Expense (Benefit)									(55)		(543)		(1,517)
Deconsolidation and restructuring of CEOC and other									(6,115)		95		(28)
Interest expense									684		2,670		2,252
Depreciation and amortization									401		636		701
Impairment of goodwill									0		695		104
Impairment of tangible and other intangible assets									1		299		2,727
Corporate expense									176		282		161
Other operating costs									152		236		203
EBITDA attributable to discontinued operations									0		(7)		7
Property EBITDA									1,303		1,689		1,877
Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Net income/(loss) attributable to company									5,777		95		801
Net income/(loss) attributable to noncontrolling interests									126		(58)		8
Loss from discontinued operations, net of income taxes									0		3		0
Income Tax Expense (Benefit)									(122)		(73)		(597)
Deconsolidation and restructuring of CEOC and other									(6,113)		30		(87)
Interest expense									4		17		9
Depreciation and amortization									0		3		0
Impairment of goodwill									0		0		0
Impairment of tangible and other intangible assets									0		0		0
Corporate expense									95		13		16
Other operating costs									249		(24)		(136)
EBITDA attributable to discontinued operations									0		0		0
Property EBITDA									16		6		14
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Net income/(loss) attributable to company									1		0		0
Net income/(loss) attributable to noncontrolling interests									0		0		0
Loss from discontinued operations, net of income taxes									0		0		0
Income Tax Expense (Benefit)									0		0		0
Deconsolidation and restructuring of CEOC and other									5		97		135
Interest expense									(5)		(90)		(135)
Depreciation and amortization									0		(1)		0
Impairment of goodwill									0		0		0
Impairment of tangible and other intangible assets									0		0		0
Corporate expense									(12)		(3)		(40)
Other operating costs									0		(5)		0
EBITDA attributable to discontinued operations									0		0		0
Property EBITDA									(11)		(2)		(40)
Caesars Entertainment Operating Company [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Net income/(loss) attributable to company									(85)		(2,524)		(2,939)
Net income/(loss) attributable to noncontrolling interests									0		8		4
Loss from discontinued operations, net of income taxes									7		173		207
Income Tax Expense (Benefit)									0		(264)	[1]	(651)	[2]
Deconsolidation and restructuring of CEOC and other									0		100	[1]	(34)	[2]
Interest expense									87		2,184	[1]	2,069	[2]
Depreciation and amortization									11		291	[1]	384	[2]
Impairment of goodwill									0		251	[1]	104	[2]
Impairment of tangible and other intangible assets									0		308	[1]	1,668	[2]
Corporate expense									7		189		138
Other operating costs									4		106		106
EBITDA attributable to discontinued operations									0		(6)		7
Property EBITDA									31		816		1,063
Caesars Entertainment Resort Properties [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Net income/(loss) attributable to company									7		(393)		(651)
Net income/(loss) attributable to noncontrolling interests									0		0		0
Loss from discontinued operations, net of income taxes									0		0		0
Income Tax Expense (Benefit)									5		(28)		(384)
Deconsolidation and restructuring of CEOC and other									0		0		(15)
Interest expense									399		389		246
Depreciation and amortization									210		200		216
Impairment of goodwill									0		289		0
Impairment of tangible and other intangible assets									0		(12)		1,059
Corporate expense									47		60		47
Other operating costs									4		15		12
EBITDA attributable to discontinued operations									0		0		0
Property EBITDA									672		520		530
Caesars Growth Partners | Operating Segments [Member]
Segment Reporting Information [Line Items]
Net income/(loss) attributable to company									113		71		(146)
Net income/(loss) attributable to noncontrolling interests									(14)		(28)		(2)
Loss from discontinued operations, net of income taxes									0		0		0
Income Tax Expense (Benefit)									0		(214)		113
Deconsolidation and restructuring of CEOC and other									(2)		(132)		(28)
Interest expense									194		164		60
Depreciation and amortization									150		115		83
Impairment of goodwill									0		155		0
Impairment of tangible and other intangible assets									1		0		0
Corporate expense									39		23		0
Other operating costs									(105)		111		168
EBITDA attributable to discontinued operations									0		0		0
Property EBITDA									376		265		248
Caesars Interactive Entertainment [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Net income/(loss) attributable to company									107		(32)		(13)
Net income/(loss) attributable to noncontrolling interests									20		(5)		(2)
Loss from discontinued operations, net of income taxes									0		16		0
Income Tax Expense (Benefit)									62	[3]	36	[4]	2	[5]
Deconsolidation and restructuring of CEOC and other									(5)	[3]	0	[4]	1	[5]
Interest expense									5	[3]	6	[4]	3	[5]
Depreciation and amortization									30	[3]	28	[4]	18	[5]
Impairment of goodwill									0	[3]	0	[4]	0	[5]
Impairment of tangible and other intangible assets									0	[3]	3	[4]	0	[5]
Corporate expense									0		0		0
Other operating costs									0		33		53
EBITDA attributable to discontinued operations									0		(1)		0
Property EBITDA									$ 219		$ 84		$ 62

[1] Includes foreign net revenues of $337 million

[2] Includes foreign net revenues of $356 million

[3] Includes foreign net revenues of $616 million

[4] Includes foreign net revenues of $434 million

[5] Includes foreign net revenues of $224 million