Revenues from Contracts with Customers - Contract Assets and Liabilities (Details) - USD ($) $ in Millions |
9 Months Ended | |
|---|---|---|
Sep. 30, 2021 |
Dec. 31, 2020 |
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| Revenue from Contract with Customer [Abstract] | ||
| Contract assets, net of current expected credit losses | $ 123 | $ 80 |
| Change In Contract With Customer, Liability [Roll Forward] | ||
| Deferred revenue, beginning of period | 138 | |
| Cash received but not yet recognized in revenue | 196 | |
| Revenue recognized from prior period deferral | (138) | |
| Deferred revenue, end of period | $ 196 |
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- Definition Change In Contract With Customer, Liability [Roll Forward] No definition available.
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- Definition Contract with Customer, Liability, Additions No definition available.
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- Definition Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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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- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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