Intangible Assets, net and Goodwill - Reconciliation of the Carrying Amount of Goodwill (Details) $ in Millions	3 Months Ended
	Mar. 31, 2021 USD ($)
Goodwill [Roll Forward]
Balance at the beginning of the period	$ 3,292
Foreign currency adjustments	(5)
Balance at the end of the period	3,287
Gaming
Goodwill [Roll Forward]
Balance at the beginning of the period	2,425
Foreign currency adjustments	(3)
Balance at the end of the period	2,422
Lottery
Goodwill [Roll Forward]
Balance at the beginning of the period	353
Foreign currency adjustments	(1)
Balance at the end of the period	352
SciPlay
Goodwill [Roll Forward]
Balance at the beginning of the period	124
Foreign currency adjustments	(2)
Balance at the end of the period	122
Digital
Goodwill [Roll Forward]
Balance at the beginning of the period	390
Foreign currency adjustments	1
Balance at the end of the period	391
Gaming Business Segment [Member]
Goodwill [Roll Forward]
Goodwill, Impaired, Accumulated Impairment Loss	989
Lottery Business Segment [Member]
Goodwill [Roll Forward]
Goodwill, Impaired, Accumulated Impairment Loss	$ 137