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Trade Accounts Receivable - Summary of Trade Accounts Receivable and Allowance for Expected Credit Loss (Detail) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
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Trade Accounts Receivables And Allowance For Expected Credit Loss [line items] |  |  |  |
Accounts receivable | $ 1,622 | $ 1,654 |  |
ECL allowance | 101 | $ 121 | $ 116 | $ 119
Mexico [member] |  |  |  |
Trade Accounts Receivables And Allowance For Expected Credit Loss [line items] |  |  |  |
Accounts receivable | 253 |  |  |
ECL allowance | $ 31 |  |  |
ECL average rate | 12.30% |  |  |
United States [member] |  |  |  |
Trade Accounts Receivables And Allowance For Expected Credit Loss [line items] |  |  |  |
Accounts receivable | $ 503 |  |  |
ECL allowance | $ 6 |  |  |
ECL average rate | 1.20% |  |  |
Europe, Middle East, Africa and Asia [member] |  |  |  |
Trade Accounts Receivables And Allowance For Expected Credit Loss [line items] |  |  |  |
Accounts receivable | $ 742 |  |  |
ECL allowance | $ 47 |  |  |
ECL average rate | 6.30% |  |  |
South, Central America And Caribbean [member] |  |  |  |
Trade Accounts Receivables And Allowance For Expected Credit Loss [line items] |  |  |  |
Accounts receivable | $ 82 |  |  |
ECL allowance | $ 13 |  |  |
ECL average rate | 15.90% |  |  |
Other country [member] |  |  |  |
Trade Accounts Receivables And Allowance For Expected Credit Loss [line items] |  |  |  |
Accounts receivable | $ 42 |  |  |
ECL allowance | $ 4 |  |  |
ECL average rate | 9.50% |  |  |

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- Definition Trade Accounts Receivables And Allowance For Expected Credit Loss [line items] + References No definition available. + Details
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- Definition The amount of current trade receivables and current other receivables, gross. [Refer: Current trade receivables; Other current receivables] + References No definition available. + Details
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- Definition The amount of an allowance account used to record impairments to financial assets due to credit losses. [Refer: Financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2023-01-01 -Name IFRS -Number 7 -IssueDate 2021-01-01 -Paragraph 16 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_16&doctype=Standard&book=b -URIDate 2021-03-24 + Details
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- Definition The rate of expected credit losses, calculated as percentage of the gross carrying amount. Expected credit losses are the weighted average of credit losses with the respective risks of a default occurring as the weights. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 7 -IssueDate 2021-01-01 -Paragraph IG20D -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_IG20D&doctype=Implementation%20Guidance -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 7 -IssueDate 2021-01-01 -Paragraph 35N -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_35N&doctype=Standard -URIDate 2021-03-24 + Details
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