Equity Incentive Plans (Tables)

6 Months Ended

Jun. 30, 2022

Share-based Payment Arrangement [Abstract]

Summary of Operational Milestone Based on Revenue or Adjusted EBITDA

The achievement status of the operational milestones as of June 30, 2022 is provided below. Although an operational milestone is deemed achieved in the last quarter of the relevant annualized period, it may be certified only after the financial statements supporting its achievement have been filed with our Forms 10-Q and/or 10-K.

Total Annualized Revenue			Annualized Adjusted EBITDA
Milestone (in billions)		Achievement Status	Milestone (in billions)		Achievement Status
$	20.0	Achieved	$	1.5	Achieved
$	35.0	Achieved	$	3.0	Achieved
$	55.0	Achieved	$	4.5	Achieved
$	75.0	Probable	$	6.0	Achieved
$	100.0	-	$	8.0	Achieved
$	125.0	-	$	10.0	Achieved
$	150.0	-	$	12.0	Achieved
$	175.0	-	$	14.0	Achieved

Summary of Stock-Based Compensation Expense

The following table summarizes our stock-based compensation expense by line item in the consolidated statements of operations (in millions):

	Three Months Ended June 30,				Six Months Ended June 30,
	2022		2021		2022		2021
Cost of revenues	$	143	$	108	$	274	$	211
Research and development		122		104		265		229
Selling, general and administrative		96		262		240		648
Total	$	361	$	474	$	779	$	1,088