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Cash and cash equivalents and Marketable securities (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
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IfrsStatementLineItems [Line Items] |  |
Cash at bank and in hand | $ 216 | $ 299
Total short-term financial investments | 7,780 | 10,168
Total cash and cash equivalents | 7,996 | 10,467
BRAZIL |  |
IfrsStatementLineItems [Line Items] |  |
Short-term financial investments | 3,007 | 2,114
Foreign countries [member] |  |
IfrsStatementLineItems [Line Items] |  |
Short-term financial investments | 4,773 | 8,054
Automatic Investing Accounts And Interest Checking Accounts [Member] | BRAZIL |  |
IfrsStatementLineItems [Line Items] |  |
Short-term financial investments | 2,763 | 1,951
Automatic Investing Accounts And Interest Checking Accounts [Member] | Foreign countries [member] |  |
IfrsStatementLineItems [Line Items] |  |
Short-term financial investments | 2,365 | 3,732
Other Investment Funds [Member] | BRAZIL |  |
IfrsStatementLineItems [Line Items] |  |
Short-term financial investments | 244 | 163
Time Deposits [Member] | Foreign countries [member] |  |
IfrsStatementLineItems [Line Items] |  |
Short-term financial investments | 2,388 | 4,310
Other Financial Investments [Member] | Foreign countries [member] |  |
IfrsStatementLineItems [Line Items] |  |
Short-term financial investments | $ 20 | $ 12

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- Definition The amount of cash on hand and demand deposits. [Refer: Cash on hand] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2022-03-24 -Paragraph 45 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_45&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2022-03-24 -Paragraph 45 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_45&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2022-03-24 -Paragraph B13 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2022-en-r&anchor=para_B13_a&doctype=Appendix&subtype=B -URIDate 2022-03-24 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 54 -Subparagraph i -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_54_i&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The amount of short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2022-03-24 -Paragraph 45 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_45&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition A classification of cash equivalents representing short-term investments. [Refer: Cash equivalents] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2022-03-24 -Paragraph 45 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_45&doctype=Standard -URIDate 2022-03-24 + Details
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