Business Segments - Schedule of Segment Reporting Information, by Segment (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended		12 Months Ended
	May 07, 2019	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018	Dec. 31, 2017
Segment Reporting Information [Line Items]
Document Period End Date				Jun. 30, 2019
Total revenue		$ 845	$ 845	$ 1,682	$ 1,657
AEBITDA(2)		335	340	663	660
Reconciling items to consolidated net loss before income taxes:
D&A		(170)	(173)	(335)	(361)
Restructuring and other		(6)	(34)	(13)	(86)
EBITDA from equity investments		(18)	(16)	(35)	(35)
Earnings from equity investments		7	5	13	12
Interest expense		(147)	(146)	(301)	(301)
Gain (Loss) on Extinguishment of Debt		(60)	0	(60)	(93)
Loss on remeasurement of debt		(3)	34	2	33
Other income, net		4	(1)	2	(7)
Stock-based compensation		(10)	(15)	(24)	(24)
Net (loss) income before equity in income of subsidiaries and income taxes		(68)	(6)	(88)	(202)
Unallocated and Reconciling Items
Segment Reporting Information [Line Items]
Total revenue		0	0	0	0
AEBITDA(2)		(28)	(31)	(57)	(63)
Reconciling items to consolidated net loss before income taxes:
D&A		(15)	(15)	(28)	(27)
Restructuring and other		(1)	(30)	(2)	(56)
Gaming
Segment Reporting Information [Line Items]
Total revenue		427	471		914
Gaming | Operating Segments
Segment Reporting Information [Line Items]
Total revenue		427	471	849	914
AEBITDA(2)		215	236	430	454
Reconciling items to consolidated net loss before income taxes:
D&A		(114)	(121)	(226)	(260)
Restructuring and other		(2)	(2)	(4)	(3)
Lottery
Segment Reporting Information [Line Items]
Total revenue		231	207		409
Lottery | Operating Segments
Segment Reporting Information [Line Items]
Total revenue		231	207	458	409
AEBITDA(2)		103	99	207	193
Reconciling items to consolidated net loss before income taxes:
D&A		(20)	(14)	(39)	(28)
Restructuring and other		(1)	3	(1)	2
SciPlay
Segment Reporting Information [Line Items]
Total revenue		118	100	236	197
SciPlay | Operating Segments
Segment Reporting Information [Line Items]
Total revenue		118	100	236	197
AEBITDA(2)		33	23	58	46
Reconciling items to consolidated net loss before income taxes:
D&A		(2)	(6)	(4)	(13)
Restructuring and other		(1)	(1)	(2)	(19)
Digital
Segment Reporting Information [Line Items]
Total revenue		69	67		137
Digital | Operating Segments
Segment Reporting Information [Line Items]
Total revenue		69	67	139	137
AEBITDA(2)		12	13	25	30
Reconciling items to consolidated net loss before income taxes:
D&A		(19)	(17)	(38)	(33)
Restructuring and other		(1)	(4)	(4)	(10)
Subsidiaries [Member] | Intellectual property | IPO [Member]
Segment Reporting Information [Line Items]
Proceeds from Sale of Productive Assets	$ 255	$ 3	$ 6	$ 10	$ 13	$ 26	$ 24