Segment Reporting Segment Reporting Property EBITDA (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Segment Reporting Information [Line Items]
Net income/(loss) attributable to company	$ (643)	$ (791)	$ (3,028)	$ 5,998
Net income attributable to noncontrolling interests	648	35	716	94
Discontinued operations, net of income taxes	(3,293)	(36)	(3,351)	(106)
Income tax (benefit)/provision	27	(206)	37	(49)
Deconsolidation and restructuring of CEOC and other	3,070	935	5,333	(6,162)
Interest expense	147	147	448	530
Depreciation and amortization	111	91	325	274
Corporate expense	40	40	122	131
Other operating costs	35	34	77	106
CIE stock-based compensation	145	13	188	24
Property EBITDA	287	262	867	840
Operating Segments [Member] | Caesars Entertainment Operating Company [Member]
Segment Reporting Information [Line Items]
Net income/(loss) attributable to company				(85)
Net income attributable to noncontrolling interests				0
Discontinued operations, net of income taxes				7
Income tax (benefit)/provision				0
Deconsolidation and restructuring of CEOC and other				0
Interest expense				87
Depreciation and amortization				11
Corporate expense				7
Other operating costs				4
CIE stock-based compensation				0
Property EBITDA				31
Operating Segments [Member] | Caesars Entertainment Resort Properties [Member]
Segment Reporting Information [Line Items]
Net income/(loss) attributable to company	6	0	(2)	20
Net income attributable to noncontrolling interests	0	0	0	0
Discontinued operations, net of income taxes	0	0	0	0
Income tax (benefit)/provision	0	0	(2)	13
Deconsolidation and restructuring of CEOC and other	(1)	0	0	0
Interest expense	99	98	297	299
Depreciation and amortization	63	52	195	151
Corporate expense	11	10	33	32
Other operating costs	0	1	5	3
CIE stock-based compensation	0	0	0	0
Property EBITDA	178	161	526	518
Operating Segments [Member] | Caesars Growth Partners Casinos [Member]
Segment Reporting Information [Line Items]
Net income/(loss) attributable to company	3,897	19	3,940	193
Net income attributable to noncontrolling interests	(33)	2	(26)	4
Discontinued operations, net of income taxes	(4,019)	(36)	(4,077)	(113)
Income tax (benefit)/provision	(2)	2	(6)	(2)
Deconsolidation and restructuring of CEOC and other	(1)	(5)	(2)	(4)
Interest expense	49	50	149	145
Depreciation and amortization	47	39	130	111
Corporate expense	7	8	22	27
Other operating costs	16	9	19	(98)
CIE stock-based compensation	145	13	188	24
Property EBITDA	106	101	337	287
Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Net income/(loss) attributable to company	(4,546)	(810)	(6,966)	5,870
Net income attributable to noncontrolling interests	681	33	742	90
Discontinued operations, net of income taxes	726	0	726	0
Income tax (benefit)/provision	29	(208)	45	(60)
Deconsolidation and restructuring of CEOC and other	3,072	940	5,335	(6,160)
Interest expense	(1)	(1)	2	1
Depreciation and amortization	1	0	0	1
Corporate expense	23	24	69	76
Other operating costs	19	24	53	197
CIE stock-based compensation	0	0	0	0
Property EBITDA	4	2	6	15
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Net income/(loss) attributable to company	0	0	0	0
Net income attributable to noncontrolling interests	0	0	0	0
Discontinued operations, net of income taxes	0	0	0	0
Income tax (benefit)/provision	0	0	0	0
Deconsolidation and restructuring of CEOC and other	0	0	0	2
Interest expense	0	0	0	(2)
Depreciation and amortization	0	0	0	0
Corporate expense	(1)	(2)	(2)	(11)
Other operating costs	0	0	0	0
CIE stock-based compensation	0	0	0	0
Property EBITDA	$ (1)	$ (2)	$ (2)	$ (11)