Property and Equipment, net - Schedule of Property and Equipment (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Less: accumulated depreciation	$ (1,110)	$ (996)
Property and equipment, net	415	500
Depreciation expense	180	217	$ 232
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	15	15
Buildings and leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	132	129
Gaming and lottery machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	1,026	1,028
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	32	31
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	43	30
Other property and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 277	$ 263