Stockholders' Equity - Narrative (Details) $ in Billions |
6 Months Ended |
|---|---|
|
Jun. 30, 2021
USD ($)
equityCompensationPlan
| |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Number of equity compensation plans | equityCompensationPlan | 4 |
| Restricted Stock Awards, Restricted Stock Units, and Stock Appreciation Rights | |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Unamortized compensation costs | $ | $ 2.6 |
| Weighted-average recognition period | 3 years 7 days |