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Cash and cash equivalents and Marketable securities (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
IfrsStatementLineItems [Line Items] |  |
Cash at bank and in hand | $ 103 | $ 216
Total short-term financial investments | 12,624 | 7,780
Total cash and cash equivalents | 12,727 | 7,996
BRAZIL |  |
IfrsStatementLineItems [Line Items] |  |
Short-term financial investments | 2,021 | 3,007
Foreign countries [member] |  |
IfrsStatementLineItems [Line Items] |  |
Short-term financial investments | 10,603 | 4,773
Brazilian Interbank Deposit Rateiinvestment Funds And Other Short Term Deposits [Member] | BRAZIL |  |
IfrsStatementLineItems [Line Items] |  |
Short-term financial investments | 1,742 |
Automatic Investing Accounts And Interest Checking Accounts [Member] | BRAZIL |  |
IfrsStatementLineItems [Line Items] |  |
Short-term financial investments |  | 2,763
Automatic Investing Accounts And Interest Checking Accounts [Member] | Foreign countries [member] |  |
IfrsStatementLineItems [Line Items] |  |
Short-term financial investments | 2,852 | 2,365
Other Investment Funds [Member] | BRAZIL |  |
IfrsStatementLineItems [Line Items] |  |
Short-term financial investments | 279 | 244
Time Deposits [Member] | Foreign countries [member] |  |
IfrsStatementLineItems [Line Items] |  |
Short-term financial investments | 7,737 | 2,388
Other Financial Investments [Member] | Foreign countries [member] |  |
IfrsStatementLineItems [Line Items] |  |
Short-term financial investments | $ 14 | $ 20

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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 2023-01-01 -Paragraph 45 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2023-en-r&anchor=para_45&doctype=Standard -URIDate 2023-03-23 + 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 2023-01-01 -Paragraph 45 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2023-en-r&anchor=para_45&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2023-01-01 -Paragraph B13 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_B13_a&doctype=Appendix&subtype=B -URIDate 2023-03-23 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 54 -Subparagraph i -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_54_i&doctype=Standard -URIDate 2023-03-23 + 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 2023-01-01 -Paragraph 45 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2023-en-r&anchor=para_45&doctype=Standard -URIDate 2023-03-23 + Details
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