Accounts Receivable - Allowance for Doubtful Accounts (Details) - USD ($) $ in Millions |
3 Months Ended | |
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Mar. 31, 2022 |
Mar. 31, 2021 |
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| Accounts Receivable, Allowance for Credit Loss [Roll Forward] | ||
| Balance as of January 1, | $ 81 | $ 72 |
| Provision for doubtful accounts | 1 | 11 |
| Bad debt write-offs | (2) | (4) |
| Balance as of March 31, | $ 80 | $ 79 |
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- Definition Amount of allowance for credit loss on accounts receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Amount of direct write-downs of accounts receivable charged against the allowance. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of expense (reversal of expense) for expected credit loss on accounts receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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