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Description of the Business and Summary of Significant Accounting Policies Initial Public Offering - Sub Event (Details) - USD ($)		3 Months Ended		12 Months Ended
	May 07, 2019	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018	Dec. 31, 2017
Subsequent Event [Line Items]
Proceeds from Lines of Credit		$ 40,000,000	$ 0
Social
Subsequent Event [Line Items]
Dividends, Cash				$ 77,000,000
IPO [Member] | Subsequent Event
Subsequent Event [Line Items]
Proceeds from Issuance Initial Public Offering	$ 301,000,000
IPO [Member] | Social | Subsequent Event
Subsequent Event [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	17.40%
Noncontrolling Interest, Ownership Percentage by Parent	97.90%
Income Tax Benefit, Percentage Realized	85.00%
IPO [Member] | Common Class B [Member] | Social | Subsequent Event
Subsequent Event [Line Items]
Noncontrolling Interest, Ownership Percentage By Parent, Threshold	10.00%
Noncontrolling Interest, Ownership Percentage by Parent	82.60%
IPO [Member] | Intellectual property | Social
Subsequent Event [Line Items]
Proceeds from Sale of Productive Assets		$ 7,000,000	$ 6,000,000	$ 26,000,000	$ 24,000,000
IPO [Member] | Intellectual property | Social | Subsequent Event
Subsequent Event [Line Items]
Proceeds from Sale of Productive Assets	$ 255,000,000
IPO [Member] | Revolving Credit Facility | SciPlay Revolver, Maturing 2024 [Member] [Member]
Subsequent Event [Line Items]
Debt Instrument, Fronting Fee		0.125%
Principal debt amount		$ 150,000,000
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]
Subsequent Event [Line Items]
Letters of Credit Outstanding, Amount		$ 15,000,000
IPO [Member] | London Interbank Offered Rate (LIBOR) [Member] | Revolving Credit Facility | SciPlay Revolver, Maturing 2024 [Member] [Member]
Subsequent Event [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]
Subsequent Event [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]
Subsequent Event [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]
Subsequent Event [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]
Subsequent Event [Line Items]
Debt Instrument, Basis Spread on Variable Rate		0.25%
IPO [Member] | Base Rate, Step Up [Member] | Revolving Credit Facility | SciPlay Revolver, Maturing 2024 [Member] [Member]
Subsequent Event [Line Items]
Debt Instrument, Basis Spread on Variable Rate		0.25%

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