Description of the Business and Summary of Significant Accounting Policies Initial Public Offering - (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended	9 Months Ended		12 Months Ended
	May 07, 2019	Sep. 30, 2019	Sep. 30, 2018	Jun. 30, 2019	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018	Dec. 31, 2017
Subsidiary, Sale of Stock [Line Items]
Document Period End Date					Sep. 30, 2019
Net proceeds from the sale of SciPlay common stock					$ 342
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest		$ (2,125)		$ (2,118)	(2,125)		$ (2,463)
Proceeds from Lines of Credit					40	$ 185
IPO [Member] | Revolving Credit Facility | SciPlay Revolver, Maturing 2024 [Member] [Member]
Subsidiary, Sale of Stock [Line Items]
Debt Instrument, Fronting Fee		0.125%
Line of Credit Facility, Commitment Fee Percentage		0.50%
Debt Instrument, Leverage Ratio		0.375%
IPO [Member] | Letter of Credit [Member] | SciPlay Revolver, Maturing 2024 [Member] [Member]
Subsidiary, Sale of Stock [Line Items]
Letters of Credit Outstanding, Amount		$ 15			15
IPO [Member] | London Interbank Offered Rate (LIBOR) [Member] | Revolving Credit Facility | SciPlay Revolver, Maturing 2024 [Member] [Member]
Subsidiary, Sale of Stock [Line Items]
Debt Instrument, Basis Spread on Variable Rate		2.25%
IPO [Member] | London Interbank Offered Rate (LIBOR), Leveraged Base Step Down [Member] | Revolving Credit Facility | SciPlay Revolver, Maturing 2024 [Member] [Member]
Subsidiary, Sale of Stock [Line Items]
Debt Instrument, Basis Spread on Variable Rate		0.25%
IPO [Member] | London Interbank Offered Rate (LIBOR), Leveraged Base Step Up [Member] | Revolving Credit Facility | SciPlay Revolver, Maturing 2024 [Member] [Member]
Subsidiary, Sale of Stock [Line Items]
Debt Instrument, Basis Spread on Variable Rate		0.25%
IPO [Member] | Base Rate [Member] | Revolving Credit Facility | SciPlay Revolver, Maturing 2024 [Member] [Member]
Subsidiary, Sale of Stock [Line Items]
Debt Instrument, Basis Spread on Variable Rate		1.25%
IPO [Member] | Base Rate, Step Down [Member] | Revolving Credit Facility | SciPlay Revolver, Maturing 2024 [Member] [Member]
Subsidiary, Sale of Stock [Line Items]
Debt Instrument, Basis Spread on Variable Rate		0.25%
IPO [Member] | Secured Debt [Member] | Revolving Credit Facility | SciPlay Revolver, Maturing 2024 [Member] [Member]
Subsidiary, Sale of Stock [Line Items]
Principal debt amount		$ 150			150
Additional Paid in Capital | IPO [Member]
Subsidiary, Sale of Stock [Line Items]
Net proceeds from the sale of SciPlay common stock	$ 312			328
Noncontrolling Interest | IPO [Member]
Subsidiary, Sale of Stock [Line Items]
Net proceeds from the sale of SciPlay common stock	$ 30			$ 91
Subsidiaries [Member]
Subsidiary, Sale of Stock [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest		$ 98			98
Subsidiaries [Member] | IPO [Member]
Subsidiary, Sale of Stock [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	18.00%
Noncontrolling Interest, Ownership Percentage by Parent	97.90%
Income Tax Benefit, Percentage Realized	85.00%
Subsidiaries [Member] | IPO [Member] | Common Class B [Member]
Subsidiary, Sale of Stock [Line Items]
Noncontrolling Interest, Ownership Percentage By Parent, Threshold	10.00%
Noncontrolling Interest, Ownership Percentage by Parent	82.00%
Subsidiaries [Member] | IPO [Member] | Intellectual property
Subsidiary, Sale of Stock [Line Items]
Proceeds from Sale of Productive Assets	$ 255		$ 7		$ 10	$ 19	$ 26	$ 24