Revenue Recognition (Tables)

9 Months Ended

Sep. 30, 2020

Revenue from Contract with Customer [Abstract]

Summary of Revenues by Type

The following table disaggregates revenues by type within each of our business segments:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2020		2019		2020		2019
Gaming
Gaming operations	$	92	$	149	$	227	$	451
Gaming machine sales	71		168		216		452
Gaming systems	43		77		115		218
Table products	25		60		82		182
Total	$	231	$	454	$	640	$	1,303
Lottery
Instant products	$	157	$	150	$	426	$	440
Lottery systems	84		70		236		238
Total	$	241	$	220	$	662	$	678
SciPlay
Mobile	$	132	$	97	$	377	$	293
Web and other	19		19		58		60
Total	$	151	$	116	$	435	$	353
Digital
Sports and platform	$	31	$	29	$	95	$	85
Gaming and other	44		36		130		118
Total	$	75	$	65	$	225	$	203

Summary of Balances in Receivables and Contract Asset Accounts

The following table summarizes the activity in our contract liabilities for the reporting period:

	Nine Months Ended September 30,
	2020
Contract liability balance, beginning of period(1)	$	109
Liabilities recognized during the period	52
Amounts recognized in revenue from beginning balance	(61)
Contract liability balance, end of period(1)	$	100
(1) Contract liabilities are included within Accrued liabilities and Other long-term liabilities in our consolidated balance sheets.

The following table summarizes our balances in these accounts for the periods indicated (other than contract liabilities disclosed above):

	Receivables		Contract Assets(1)
Beginning of period balance(2)	$	808	$	121
End of period balance, September 30, 2020	686		128
(1) Contract assets are included primarily within Prepaid expenses, deposits and other current assets in our consolidated balance sheets.
(2) The beginning of period balance excludes the impact of adoption of ASC 326.