Revenue Recognition - Summary of Revenue by Type (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Segment Reporting Information [Line Items]
Total revenue	$ 863	$ 855	$ 845	$ 837	$ 886	$ 821	$ 845	$ 812	$ 3,400	$ 3,363	$ 3,084
Gaming
Segment Reporting Information [Line Items]
Total revenue									1,748	1,831	1,844
Lottery
Segment Reporting Information [Line Items]
Total revenue									911	846	812
SciPlay
Segment Reporting Information [Line Items]
Total revenue									466	416	362
Digital
Segment Reporting Information [Line Items]
Total revenue									275	270	66
Gaming operations | Gaming
Segment Reporting Information [Line Items]
Total revenue									597	632	696
Gaming machine sales | Gaming
Segment Reporting Information [Line Items]
Total revenue									609	646	673
Gaming systems | Gaming
Segment Reporting Information [Line Items]
Total revenue									295	320	273
Table products | Gaming
Segment Reporting Information [Line Items]
Total revenue									247	233	202
Instant products
Segment Reporting Information [Line Items]
Total revenue									587	592	582
Instant products | Lottery
Segment Reporting Information [Line Items]
Total revenue									588	592	588
Lottery systems | Lottery
Segment Reporting Information [Line Items]
Total revenue									323	254	224
Mobile | SciPlay
Segment Reporting Information [Line Items]
Total revenue									391	323	260
Web and other | SciPlay
Segment Reporting Information [Line Items]
Total revenue									75	93	102
Sports and platform | Digital
Segment Reporting Information [Line Items]
Total revenue									119	101	0
Gaming and other | Digital
Segment Reporting Information [Line Items]
Total revenue									$ 156	$ 169	$ 66