Revenue Recognition - Summary of Revenue by Type (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Disaggregation of Revenue [Line Items]
Total revenue	$ 837	$ 812
Instant products
Disaggregation of Revenue [Line Items]
Total revenue	140	150
Gaming
Disaggregation of Revenue [Line Items]
Total revenue	422	443
Gaming | Gaming operations
Disaggregation of Revenue [Line Items]
Total revenue	152	161
Gaming | Gaming machine sales
Disaggregation of Revenue [Line Items]
Total revenue	136	145
Gaming | Gaming systems
Disaggregation of Revenue [Line Items]
Total revenue	74	75
Gaming | Table products
Disaggregation of Revenue [Line Items]
Total revenue	60	62
Lottery
Disaggregation of Revenue [Line Items]
Total revenue	227	202
Lottery | Instant products
Disaggregation of Revenue [Line Items]
Total revenue	140	150
Lottery | Lottery systems
Disaggregation of Revenue [Line Items]
Total revenue	87	52
Social
Disaggregation of Revenue [Line Items]
Total revenue	118	97
Social | Mobile
Disaggregation of Revenue [Line Items]
Total revenue	97	73
Social | Web and other
Disaggregation of Revenue [Line Items]
Total revenue	21	24
Digital
Disaggregation of Revenue [Line Items]
Total revenue	70	70
Digital | Sports and platform
Disaggregation of Revenue [Line Items]
Total revenue	30	26
Digital | Gaming and other
Disaggregation of Revenue [Line Items]
Total revenue	$ 40	$ 44