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Revenue Recognition - Additional Information (Details) $ in Millions | 3 Months Ended |  |  |
--- | --- | --- | --- | ---
Mar. 31, 2021 USD ($) Segment | Mar. 31, 2020 USD ($) | Jan. 01, 2021 USD ($) | Dec. 31, 2020 USD ($) | Jan. 01, 2020 USD ($)
Disaggregation Of Revenue [Line Items] |  |  |  |  |
Number of reportable segment | Segment | 2 |  |  |  |
Deferred revenue | $ 38 |  | $ 28 | $ 28 | $ 62
Revenue recognized | 11 | $ 32 |  |  |
Contract with customer revenue refunded due to cancellations | $ 2 | $ 6 |  |  |
ASC 606 |  |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |  |
Customer invoices due period | 30 days |  |  |  |

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