Cash and cash equivalents and Marketable securities (Details) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
IfrsStatementLineItems [Line Items]
Cash at bank and in hand	$ 511	$ 103
Total short-term financial investments	7,373	12,624
Total cash and cash equivalents	7,884	12,727
Country B R [Member]
IfrsStatementLineItems [Line Items]
Short-term financial investments	547	2,021
Foreign countries [member]
IfrsStatementLineItems [Line Items]
Short-term financial investments	6,826	10,603
Automatic Investing Accounts And Interest Checking Accounts [Member] \| Country B R [Member]
IfrsStatementLineItems [Line Items]
Short-term financial investments	437	1,742
Automatic Investing Accounts And Interest Checking Accounts [Member] \| Foreign countries [member]
IfrsStatementLineItems [Line Items]
Short-term financial investments	2,140	2,852
Other Investment Funds [Member] \| Country B R [Member]
IfrsStatementLineItems [Line Items]
Short-term financial investments	110	279
Time Deposits [Member] \| Foreign countries [member]
IfrsStatementLineItems [Line Items]
Short-term financial investments	4,652	7,737
Other Financial Investments [Member] \| Foreign countries [member]
IfrsStatementLineItems [Line Items]
Short-term financial investments	$ 34	$ 14

The amount of cash on hand and demand deposits. [Refer: Cash on hand]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-IssueDate 2023-01-01
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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
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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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.

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