Revenue - Schedule of Deferred Revenue and Deposits (Details) - USD ($) $ in Millions |
Dec. 31, 2019 |
Dec. 31, 2018 |
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| Revenue from Contract with Customer [Abstract] | ||
| Deferred revenue | $ 234 | $ 117 |
| Deposits | 35 | 30 |
| Total deferred revenue and deposits | $ 269 | $ 147 |
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- Definition Contract With Customer, Deposits, Unused Balances No definition available.
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- Definition Contract With Customer, Liability And Unused Deposits No definition available.
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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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