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Equity Incentive Plans (Tables)
 9 Months Ended
Sep. 30, 2023
Share-Based Payment Arrangement [Abstract]  
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 September 30,Nine Months Ended September 30,
2023202220232022
Cost of revenues$181 $150 $554 $424 
Research and development189 124 491 389 
Selling, general and administrative95 88 283 328 
Total$465 $362 $1,328 $1,141