Description of the Business and Summary of Significant Accounting Policies Initial Public Offering - (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended		12 Months Ended
	May 07, 2019	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018	Dec. 31, 2017
Subsidiary, Sale of Stock [Line Items]
Document Period End Date				Jun. 30, 2019
Net proceeds from the sale of SciPlay common stock				$ 342
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest		$ (2,118)		(2,118)		$ (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		94		94
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	$ 3	$ 6	$ 10	$ 13	$ 26	$ 24