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Financial risk management and derivative financial instruments - Summary of Derivative Financial Instruments (Detail) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
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Disclosure Of Derivative Financial Instruments [line items] |  |
Derivative financial instruments | $ (5) | $ (4)
Non-current assets [member] |  |
Disclosure Of Derivative Financial Instruments [line items] |  |
Derivative financial instruments | 20 | 7
Current liabilities [Member] |  |
Disclosure Of Derivative Financial Instruments [line items] |  |
Derivative financial instruments | (25) |
Non-current liabilities [member] |  |
Disclosure Of Derivative Financial Instruments [line items] |  |
Derivative financial instruments |  | (11)
Currency swaps [member] |  |
Disclosure Of Derivative Financial Instruments [line items] |  |
Derivative financial instruments | (20) | $ (4)
Currency forwards [member] |  |
Disclosure Of Derivative Financial Instruments [line items] |  |
Derivative financial instruments | $ 15 |

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- Definition The amount of financial assets classified as derivative instruments. [Refer: Financial assets; Derivatives [member]] + 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 Disclosure Of Derivative Financial Instruments [line items] + References No definition available. + Details
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