Deferred Revenue and Performance Obligations (Details) - USD ($) $ in Billions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
|
| Revenue from Contract with Customer [Abstract] | ||
| Deferred revenue recognized | $ 1.6 | $ 1.1 |
| Remaining non-cancelable performance obligations | $ 6.6 | |
| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-01-01 | ||
| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | ||
| Performance obligations expected to be satisfied (percent) | 50.00% | |
| Remaining performance obligation, expected timing of satisfaction, period | 12 months | |