Stockholders' Deficit (Details) - USD ($) $ in Millions	3 Months Ended						9 Months Ended
	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Jun. 30, 2020	Jan. 01, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Dec. 31, 2018
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total SGC stockholders' deficit	$ (2,423)		$ (2,212)	$ (2,118)		$ (2,463)	$ (2,212)	$ (2,463)
Net proceeds of common stock in connection with stock options and RSUs		$ 1	(1)	1	$ 2	2
Gain (Loss) on Disposition of Stock in Subsidiary					419
Stock-based compensation	17	14	9	9	10	11
Net (loss) income	(111)	(198)	(155)	18	(75)	(24)	(464)	(81)
Net loss	(117)			14			(479)	(87)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	32	62	(97)	(35)	(51)	51	(3)	(35)
Common Stock, Value, Outstanding									$ 1			$ 1
Additional Paid in Capital, Common Stock									1,246			1,208
Retained Earnings (Accumulated Deficit)									(3,439)			(2,954)
Treasury Stock, Value									175			175
Accumulated Other Comprehensive Income (Loss), Net of Tax									(295)			(292)
Stockholders' Equity Attributable to Noncontrolling Interest									121			104
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest			(2,358)						(2,541)	$ (2,479)		(2,108)
Total SGC stockholders' deficit	(2,662)	(2,423)		(2,125)	(2,118)		(2,662)	(2,125)
Share-based compensation expense	17			9			41	33
Stockholders' Equity Attributable to Parent	(2,423)	(2,423)	(2,212)	(2,125)	(2,118)	(2,463)	(2,212)	(2,125)	(2,662)	(2,423)		(2,212)	$ (2,125)	$ (2,118)	$ (2,463)
Stockholders' Equity Attributable to Noncontrolling Interest									121			104
Redemption Premium		(1)	1	(1)	(2)	(2)
Stock-based compensation	17	14	9	9	10	11
Net (loss) income	(111)	(198)	(155)	18	(75)	(24)	(464)	(81)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	32	62	(97)	(35)	(51)	51	(3)	(35)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest			(2,358)						$ (2,541)	(2,479)		(2,108)
Cumulative Effect of New Accounting Principle in Period of Adoption											$ (6)
Less: comprehensive income attributable to noncontrolling interest	6	5		4			15	6
Related to SGC stock options
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation expense	1			1			3	4
Related to SGC RSUs
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation expense	6			6			23	23
Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total SGC stockholders' deficit	1			1		1		1
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest			1							1		1
Total SGC stockholders' deficit		1		1	1			1
Stockholders' Equity Attributable to Parent	1	1		1	1	1		1		1			1	1	1
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest			1							1		1
Additional Paid in Capital
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total SGC stockholders' deficit	848			1,187		835		835
Net proceeds of common stock in connection with stock options and RSUs		1	(1)	1	2	2
Stock-based compensation	16	13	9	9	9	11
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest			1,216							1,230		1,208
Total SGC stockholders' deficit		848		1,197	1,187			1,197
Stockholders' Equity Attributable to Parent	848	848		1,197	1,187	835		1,197		848			1,197	1,187	835
Redemption Premium		(1)	1	(1)	(2)	(2)
Stock-based compensation	16	13	9	9	9	11
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest			1,216							1,230		1,208
Accumulated Loss
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total SGC stockholders' deficit	(2,848)			(2,925)		(2,824)		(2,824)
Net (loss) income	(117)	(203)	(159)	14	(77)	(24)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest			(3,119)							(3,322)		(2,954)
Total SGC stockholders' deficit		(2,848)		(2,911)	(2,925)			(2,911)
Stockholders' Equity Attributable to Parent	(2,848)	(2,848)		(2,911)	(2,925)	(2,824)		(2,911)		(2,848)			(2,911)	(2,925)	(2,824)
Net (loss) income	(117)	(203)	(159)	14	(77)	(24)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest			(3,119)							(3,322)		(2,954)
Cumulative Effect of New Accounting Principle in Period of Adoption											$ (6)
Treasury Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total SGC stockholders' deficit	(175)			(175)		(175)		(175)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest			(175)							(175)		(175)
Total SGC stockholders' deficit		(175)		(175)	(175)			(175)
Stockholders' Equity Attributable to Parent	(175)	(175)		(175)	(175)	(175)		(175)		(175)			(175)	(175)	(175)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest			(175)							(175)		(175)
Accumulated Other Comprehensive Loss
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total SGC stockholders' deficit	(249)			(300)		(300)		(300)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	32	62	(97)	(35)	(51)	51
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest			(389)							(327)		(292)
Total SGC stockholders' deficit		(249)		(335)	(300)			(335)
Stockholders' Equity Attributable to Parent	(249)	(249)		(335)	(300)	(300)		(335)		(249)			(335)	(300)	(300)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	32	62	(97)	(35)	(51)	$ 51
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest			(389)							(327)		(292)
Noncontrolling Interest
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	1	1			1
Net (loss) income			4	4	2
Stockholders' Equity Attributable to Noncontrolling Interest										0			98	94	0
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest			108							114		104
Stockholders' Equity Attributable to Noncontrolling Interest										0			$ 98	$ 94	$ 0
Stock-based compensation	1	$ 1			1
Net (loss) income			4	4	2
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest			$ 108							$ 114		$ 104
SciPlay | Related to SGC RSUs
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation expense	$ 10			$ 2			$ 15	$ 6
IPO [Member] | Additional Paid in Capital
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Proceeds from Issuance Initial Public Offering					328
IPO [Member] | Noncontrolling Interest
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Proceeds from Issuance Initial Public Offering					$ 91