Property and Equipment, net (Details) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2019	Jun. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Less: accumulated depreciation	$ (990)			$ (990)		$ (921)
Total property and equipment, net	516			516		547
Depreciation expense	51		$ 51	173	$ 178
Impaired Long-Lived Assets Held and Used, Income Statement Classification		$ 27
Impairment of Long-Lived Assets Held-for-use		$ 9
Depreciation, amortization and impairments	162		$ 166	497	$ 527
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	20			20		15
Buildings and leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	152			152		128
Gaming and lottery machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	1,023			1,023		1,041
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	29			29		27
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	25			25		17
Other property and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 257			257		$ 240
Disposal Group, Held-for-sale, Not Discontinued Operations [Member]
Property, Plant and Equipment [Line Items]
Depreciation, amortization and impairments				$ 19