Trade and other receivables - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022
Credit risk [member] \| Change In Payment Plans [Member]
Disclosure of detailed information about financial instruments [line items]
Impact of applying provision matrix to all owner groups including in year changes	$ 13	$ 15

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.

No definition available.

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration