Supplemental Financial Information - Allowance for Doubtful Accounts (Details) - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
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| Allowances for Doubtful Accounts and Product Returns | ||
| Balance at Beginning | $ 288 | $ 228 |
| Provisions/charges to income | 51 | 88 |
| Amounts charged off and other deductions | (26) | (35) |
| Balance at End | $ 313 | 288 |
| Impact of adoption of new accounting standards | ASU 2016-13 | ||
| Allowances for Doubtful Accounts and Product Returns | ||
| Balance at Beginning | $ 7 | |
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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 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 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 expense (reversal of expense) for expected credit loss on accounts receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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