Property and Equipment, net (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Less: accumulated depreciation	$ (950)		$ (921)
Total property and equipment, net	517		547
Depreciation expense	58	$ 53
Assets held-for-sale	36
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	130		128
Gaming and lottery machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	1,034		1,041
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	28		27
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	15		17
Other property and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 245		$ 240