Income Taxes (Details) - USD ($) $ in Millions		3 Months Ended			6 Months Ended
	May 07, 2019	Jun. 30, 2020	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Income Tax Disclosure [Line Items]
Economic interests called by common stock units	18.00%
Effective tax rates		6.00%	(2.70%)		5.60%	9.10%
Tax provision under separate-return method				$ 1.8		$ 6.5
Payments under Tax Receivable Agreement		$ 2.5			$ 2.5
Liabilities under TRA		67.3			67.3		$ 72.7
Tax Receivable Agreement, Liability, Total		71.3			71.3		75.3
Tax Receivable Agreement, Liability, Current		$ 4.0			$ 4.0		$ 2.6
Scientific Games Corporation
Income Tax Disclosure [Line Items]
Economic interests called by common stock units	82.00%
SciPlay Parent LLC
Income Tax Disclosure [Line Items]
Economic interests called by common stock units	18.00%
SciPlay Parent LLC | Scientific Games Corporation
Income Tax Disclosure [Line Items]
Economic interests called by common stock units	82.00%