Share-based Compensation - Schedule of Share-Based Compensation Expense (Detail) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
|
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | |||
| Share-based compensation | $ 384 | $ 346 | $ 314 |
| Cost of revenue | |||
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | |||
| Share-based compensation | 45 | 42 | 40 |
| Research & development | |||
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | |||
| Share-based compensation | 159 | 141 | 133 |
| Selling, general and administrative | |||
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | |||
| Share-based compensation | $ 180 | $ 163 | $ 141 |