Income Taxes (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
	May 07, 2019	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Income Tax Disclosure [Line Items]
Economic interests called by common stock units	18.10%
Effective tax rates		3.30%	11.30%	4.90%	10.00%
Tax provision under separate-return method					$ 6.5
Payments under Tax Receivable Agreement		$ 0.0	$ 0.0	$ 2.5	$ 0.0
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	81.90%
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%