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Trade Accounts Receivable, Net (Tables) | 12 Months Ended
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Dec. 31, 2021
Receivables [Abstract] |
Trade Accounts Receivable, Net | Trade accounts receivable, net consisted of the following:
|  | December 31, |  |  | December 31, |
|  | 2021 |  |  | 2020 |
Trade accounts receivable |  |  | 1,778 |  |  |  | 1,481 |
Current expected credit losses allowance ("CECLA") |  |  | (19 | ) |  |  | (16 | )
Total |  |  | 1,759 |  |  |  | 1,465 |
Schedule of Changes in Reported CECLA | On that basis, the changes in reported CECLA for the year ended December 31, 2021 are presented below:
CECLA as at December 31, 2020 |  | (16)
Current-period adjustment to CECLA |  | (3)
CECLA as at December 31, 2021 |  | (19)

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- Definition Tabular disclosure of allowance for credit loss on accounts receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 + Details
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- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3,4) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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