Stockholders' Deficit (Tables)

12 Months Ended

Dec. 31, 2020

Stockholders' Equity Note [Abstract]

Schedule of change in the number of shares of Class A common stock

The following reflects total stock-based compensation expense recognized under all programs:

	Year Ended December 31,
	2020		2019		2018
Related to SGC stock options	$	9	$	5	$	12
Related to SGC RSUs	30		23		32
Related to SciPlay RSUs	22		9		—
Total	$	61	$	37	$	44

The following table sets forth the change in the number of shares of common stock outstanding during the fiscal years ended December 31, 2020 and 2019:

	December 31,
	2020	2019
Shares outstanding as of beginning of period	94	92
Shares issued as part of equity-based compensation plans and the ESPP, net of shares surrendered	1	2
Shares outstanding as of end of period	95	94

RSUs outstanding under equity-based compensation plans

A summary of the changes in RSUs outstanding under our equity-based compensation plans during 2020 is presented below:

	Number of Restricted Stock Units	Weighted Average Grant Date Fair Value
Unvested RSUs as of December 31, 2019	2.9	$	24.80
Granted	2.7	$	13.75
Vested	(1.3)	$	19.77
Cancelled	(1.0)	$	19.25
Unvested RSUs as of December 31, 2020	3.3	$	19.07