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Financial risk management and derivative financial instruments - Disclosure of Short-term Deposits by Counterparty Credit Rating (Detail) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
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Disclosure of credit risk exposure [line items] |  |
Short-term deposits | $ 632 | $ 421
Money market funds | 375 | 360
Repurchase agreement collateral | 136 | 30
AAA credit rating [member] |  |
Disclosure of credit risk exposure [line items] |  |
Short-term deposits | 0 | 0
Money market funds | 375 | 360
Repurchase agreement collateral | 110 | 22
AA plus credit rating [member] |  |
Disclosure of credit risk exposure [line items] |  |
Short-term deposits | 0 | 0
Money market funds | 0 | 0
Repurchase agreement collateral | 6 | 2
AA credit rating [member] |  |
Disclosure of credit risk exposure [line items] |  |
Short-term deposits | 0 | 0
Money market funds | 0 | 0
Repurchase agreement collateral | 0 | 6
AA minus Credit Rating [member] |  |
Disclosure of credit risk exposure [line items] |  |
Short-term deposits | 129 | 66
Money market funds | 0 | 0
Repurchase agreement collateral | 20 | 0
A plus credit rating [member] |  |
Disclosure of credit risk exposure [line items] |  |
Short-term deposits | 147 | 127
Money market funds | 0 | 0
Repurchase agreement collateral | 0 | 0
A credit rating [member] |  |
Disclosure of credit risk exposure [line items] |  |
Short-term deposits | 258 | 141
Money market funds | 0 | 0
Repurchase agreement collateral | 0 | 0
A minus credit rating [member] |  |
Disclosure of credit risk exposure [line items] |  |
Short-term deposits | 77 | 50
Money market funds | 0 | 0
Repurchase agreement collateral | 0 | 0
BBB plus and below [Member] |  |
Disclosure of credit risk exposure [line items] |  |
Short-term deposits | 21 | 37
Money market funds | 0 | 0
Repurchase agreement collateral | $ 0 | $ 0

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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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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The amount of instruments purchased for resale in reverse repurchase agreements and cash collateral on securities borrowed. [Refer: Repurchase agreements and cash collateral on securities lent] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_55&doctype=Standard -URIDate 2023-03-23 + 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 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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- Details
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