Stockholders' Deficit (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions		3 Months Ended				6 Months Ended
	May 07, 2019	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2018	Mar. 31, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018	Dec. 31, 2017
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total SGC stockholders' deficit		$ (2,423)	$ (2,463)	$ (2,196)	$ (2,027)	$ (2,463)	$ (2,027)
Net proceeds of common stock in connection with stock options and RSUs		2	2	(2)	15
Net proceeds from the sale of SciPlay common stock						342
Gain (Loss) on Disposition of Stock in Subsidiary		419
Stock-based compensation		10	11	15	7
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest		(75)		(6)		(99)	(208)
Net loss		(77)	(24)	(6)	(202)	(101)	(208)
Net Income (Loss) Attributable to Noncontrolling Interest		2		0		2	0
Other comprehensive loss		(51)	51	(83)	52		(31)
Common Stock, Value, Outstanding		1				1		$ 1
Additional Paid in Capital, Common Stock		1,187				1,187		835
Retained Earnings (Accumulated Deficit)		(2,925)				(2,925)		(2,824)
Treasury Stock, Value		175				175		175
Accumulated Other Comprehensive Income (Loss), Net of Tax		(300)				(300)		(300)
Stockholders' Equity Attributable to Noncontrolling Interest		94				94		0
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest		(2,118)				(2,118)		(2,463)
Total SGC stockholders' deficit		(2,212)	(2,423)	(2,268)	(2,196)	(2,212)	(2,268)
Share-based compensation expense		10		15		24	24
Related to SGC stock options
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation expense		1		7		3	8
Related to SGC RSUs
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation expense		5		8		17	16
Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total SGC stockholders' deficit		1	1	1	1	1	1
Total SGC stockholders' deficit			1	1	1		1
Additional Paid in Capital
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total SGC stockholders' deficit		848	835	800	808	835	808
Net proceeds of common stock in connection with stock options and RSUs		2	2	2	(15)
Stock-based compensation		9	11	15	7
Total SGC stockholders' deficit			848	817	800		817
Accumulated Loss
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total SGC stockholders' deficit		(2,848)	(2,824)	(2,674)	(2,461)	(2,824)	(2,461)
Net loss			(24)	(6)	(202)
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets									$ (11)
Total SGC stockholders' deficit			(2,848)	(2,680)	(2,674)		(2,680)
Treasury Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total SGC stockholders' deficit		(175)	(175)	(175)	(175)	(175)	(175)
Total SGC stockholders' deficit			(175)	(175)	(175)		(175)
Accumulated Other Comprehensive Loss
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total SGC stockholders' deficit		(249)	(300)	(148)	(200)	(300)	(200)
Other comprehensive loss		(51)	51	(83)	52
Total SGC stockholders' deficit			(249)	(231)	$ (148)		(231)
Noncontrolling Interest
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation		1
Stockholders' Equity Attributable to Noncontrolling Interest			$ 0					$ 0
Accounting Standards Update 2014-09 [Member] | Accumulated Loss
Increase (Decrease) in Stockholders' Equity [Roll Forward]
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets									$ (11)
SciPlay | Related to SGC RSUs
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation expense		4		$ 0		$ 4	$ 0
IPO [Member] | Additional Paid in Capital
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net proceeds from the sale of SciPlay common stock	$ 312	328
IPO [Member] | Noncontrolling Interest
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net proceeds from the sale of SciPlay common stock	$ 30	$ 91
SciPlay Corporation Long-Term Incentive Plan [Member] [Domain] | Common Class A [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized		6.5				6.5
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number		3.4				3.4
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Exercise Price		$ 16.00				$ 16.00