Business Segments - Schedule of Segment Reporting Information, by Segment (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended		12 Months Ended
	May 07, 2019	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018	Dec. 31, 2017
Segment Reporting Information [Line Items]
Document Period End Date				Sep. 30, 2019
Total revenue		$ 855	$ 821	$ 2,537	$ 2,478
AEBITDA		344	326	1,007	986
Reconciling items to consolidated net income before income taxes:
D&A		(162)	(166)	(497)	(527)
Restructuring and other		(11)	(339)	(24)	(424)
EBITDA from equity investments		(15)	(14)	(50)	(49)
Earnings from equity investments		4	4	17	16
Interest expense		(146)	(147)	(447)	(448)
Gain (Loss) on Extinguishment of Debt		0	0	(60)	(93)
Gain on remeasurement of debt		19	(4)	21	29
Other expense, net		(9)	(2)	(7)	(9)
Stock-based compensation		(9)	(10)	(33)	(34)
Net (loss) income before equity in income of subsidiaries and income taxes		15	(352)	(73)	(553)
Unallocated and Reconciling Items
Segment Reporting Information [Line Items]
Total revenue		0	0	0	0
AEBITDA		(30)	(35)	(87)	(98)
Reconciling items to consolidated net income before income taxes:
D&A		(19)	(13)	(47)	(40)
Restructuring and other		(1)	(319)	(3)	(375)
Gaming
Segment Reporting Information [Line Items]
Total revenue		454	448		1,362
Gaming | Operating Segments
Segment Reporting Information [Line Items]
Total revenue		454	448	1,303	1,362
AEBITDA		226	233	656	686
Reconciling items to consolidated net income before income taxes:
D&A		(110)	(120)	(336)	(380)
Restructuring and other		(5)	(4)	(9)	(7)
Lottery
Segment Reporting Information [Line Items]
Total revenue		220	207		616
Lottery | Operating Segments
Segment Reporting Information [Line Items]
Total revenue		220	207	678	616
AEBITDA		99	92	306	286
Reconciling items to consolidated net income before income taxes:
D&A		(14)	(15)	(53)	(43)
Restructuring and other		0	(3)	(1)	0
SciPlay
Segment Reporting Information [Line Items]
Total revenue		116	105	353	302
SciPlay | Operating Segments
Segment Reporting Information [Line Items]
Total revenue		116	105	353	302
AEBITDA		32	24	90	70
Reconciling items to consolidated net income before income taxes:
D&A		(1)	(2)	(5)	(15)
Restructuring and other		0	(9)	(2)	(28)
Digital
Segment Reporting Information [Line Items]
Total revenue		65	61		198
Digital | Operating Segments
Segment Reporting Information [Line Items]
Total revenue		65	61	203	198
AEBITDA		17	12	42	42
Reconciling items to consolidated net income before income taxes:
D&A		(18)	(16)	(56)	(49)
Restructuring and other		$ (5)	(4)	(9)	(14)
Subsidiaries [Member] | Intellectual property | IPO [Member]
Segment Reporting Information [Line Items]
Proceeds from Sale of Productive Assets	$ 255		$ 7	$ 10	$ 19	$ 26	$ 24