Revenue Recognition - Summary of Revenue by Type (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Disaggregation of Revenue [Line Items]
Rental income revenue outside scope of new revenue standard	$ 95	$ 69	$ 191	$ 136
Total revenue	845	845	1,682	1,657
Instant products
Disaggregation of Revenue [Line Items]
Total revenue	150	150	290	300
Gaming
Disaggregation of Revenue [Line Items]
Total revenue	427	471		914
Gaming | Gaming operations
Disaggregation of Revenue [Line Items]
Total revenue	150	160	302	321
Gaming | Gaming machine sales
Disaggregation of Revenue [Line Items]
Total revenue	148	168	284	313
Gaming | Gaming systems
Disaggregation of Revenue [Line Items]
Total revenue	67	84	141	159
Gaming | Table products
Disaggregation of Revenue [Line Items]
Total revenue	62	59	122	121
Lottery
Disaggregation of Revenue [Line Items]
Total revenue	231	207		409
Lottery | Instant products
Disaggregation of Revenue [Line Items]
Total revenue	150	150	290	300
Lottery | Lottery systems
Disaggregation of Revenue [Line Items]
Total revenue	81	57	168	109
SciPlay
Disaggregation of Revenue [Line Items]
Total revenue	118	100	236	197
SciPlay | Mobile
Disaggregation of Revenue [Line Items]
Total revenue	98	77	195	149
SciPlay | Web and other
Disaggregation of Revenue [Line Items]
Total revenue	20	23	41	48
Digital
Disaggregation of Revenue [Line Items]
Total revenue	69	67		137
Digital | Sports and platform
Disaggregation of Revenue [Line Items]
Total revenue	26	20	56	46
Digital | Gaming and other
Disaggregation of Revenue [Line Items]
Total revenue	$ 43	$ 47	$ 83	$ 91