Stockholders' Deficit stockholders' equity (Details) - USD ($) $ in Millions		3 Months Ended				6 Months Ended		9 Months Ended
	May 07, 2019	Sep. 30, 2019	Mar. 31, 2019	Sep. 30, 2018	Mar. 31, 2018	Jun. 30, 2019	Jun. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018	Dec. 31, 2017
Common Stock, Value, Outstanding		$ 1				$ 1		$ 1		$ 1
Additional Paid in Capital, Common Stock		1,197				1,187		1,197		835
Retained Earnings (Accumulated Deficit)		(2,911)				(2,925)		(2,911)		(2,824)
Treasury Stock, Value		175				175		175		175
Accumulated Other Comprehensive Income (Loss), Net of Tax		(335)				(300)		(335)		(300)
Stockholders' Equity Attributable to Noncontrolling Interest		98				94		98		0
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest		(2,125)				(2,118)		(2,125)		(2,463)
Total liabilities and total stockholders’ (deficit) equity		(2,223)	$ (2,423)	$ (2,619)	$ (2,196)		$ (2,268)	(2,223)	$ (2,619)	(2,463)	$ (2,027)
Redemption Premium		(1)	(2)	(3)	(15)	(2)	2
Stock-based compensation		9	11	9	7	10	15
Net Income (Loss) Attributable to Parent		14	(24)	(352)	(202)	(77)	(6)	(87)	(559)
Other comprehensive loss		(35)	51	(5)	52	(51)	(83)		(37)
Net proceeds from the sale of SciPlay common stock								342
Gain (Loss) on Disposition of Stock in Subsidiary						419
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest		4		0		2		6	0
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest		18		(352)		(75)		$ (81)	(559)
Common Stock
Total liabilities and total stockholders’ (deficit) equity			1	1	1		1		1	1	1
Additional Paid in Capital
Total liabilities and total stockholders’ (deficit) equity			848	823	800		817		823	835	808
Redemption Premium		(1)	(2)	3	15	(2)	(2)
Stock-based compensation		9	11	9	7	9	15
Accumulated Loss
Total liabilities and total stockholders’ (deficit) equity			(2,848)	(3,032)	(2,674)		(2,680)		(3,032)	(2,824)	(2,461)
Net Income (Loss) Attributable to Parent			(24)	(352)	(202)		(6)
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets											(11)
Accumulated Loss | Accounting Standards Update 2014-09 [Member]
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets											(11)
Treasury Stock
Total liabilities and total stockholders’ (deficit) equity			(175)	(175)	(175)		(175)		(175)	(175)	(175)
Accumulated Other Comprehensive Loss
Total liabilities and total stockholders’ (deficit) equity			(249)	(236)	(148)		(231)		$ (236)	(300)	$ (200)
Other comprehensive loss		$ (35)	51	$ (5)	$ 52	(51)	$ (83)
Noncontrolling Interest
Stockholders' Equity Attributable to Noncontrolling Interest			$ 0							$ 0
Stock-based compensation						1
IPO [Member] | Additional Paid in Capital
Net proceeds from the sale of SciPlay common stock	$ 312					328
IPO [Member] | Noncontrolling Interest
Net proceeds from the sale of SciPlay common stock	$ 30					$ 91