Equity Incentive Plans - Additional Information (Detail) - USD ($) shares in Millions, $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2023 |
Sep. 30, 2022 |
Sep. 30, 2023 |
Sep. 30, 2022 |
|
| Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] | ||||
| Stock-based compensation | $ 1,328 | $ 1,141 | ||
| Performance Based Restricted Stock Units And Stock Options | ||||
| Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] | ||||
| Unrecognized compensation expense | $ 525 | $ 525 | ||
| Number of RSUs granted (in shares) | 4.7 | |||
| Unrecognized compensation expense, probably of achievement | 131 | $ 131 | ||
| Weighted-average period of recognition of unrecognized compensation, in years | 3 years | |||
| Stock-based compensation | $ 10 | $ 31 | $ 56 | $ 134 |