Intangible Assets, net and Goodwill - Reconciliation of the Carrying Amount of Goodwill (Details) $ in Millions	6 Months Ended
	Jun. 30, 2021 USD ($)
Goodwill [Roll Forward]
Balance at the beginning of the period	$ 3,292
Foreign currency adjustments	3
Balance at the end of the period	3,356
Goodwill, Acquired During Period	61
SciPlay
Goodwill [Roll Forward]
Balance at the beginning of the period	124
Foreign currency adjustments	0
Balance at the end of the period	124
Goodwill, Acquired During Period	0
Digital
Goodwill [Roll Forward]
Balance at the beginning of the period	390
Foreign currency adjustments	3
Balance at the end of the period	454
Goodwill, Acquired During Period	61
Gaming Business Segment [Member]
Goodwill [Roll Forward]
Balance at the beginning of the period	2,425
Foreign currency adjustments	0
Balance at the end of the period	2,425
Goodwill, Impaired, Accumulated Impairment Loss	989
Goodwill, Acquired During Period	0
Lottery Business Segment [Member]
Goodwill [Roll Forward]
Balance at the beginning of the period	353
Foreign currency adjustments	0
Balance at the end of the period	353
Goodwill, Impaired, Accumulated Impairment Loss	137
Goodwill, Acquired During Period	$ 0