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Other Reserves - Summary of Information About Other Reserves (Parenthetical) (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Disclosure of reserves within equity [line items]
Transfer from retained earnings to distributable profit reserves	$ 4,830	$ 5,553
Payment Of Interim Dividend [Member]
Disclosure of reserves within equity [line items]
Dividend paid ordinary shares	4,253	2,070
Relating To Settled Hedges [Member]
Disclosure of reserves within equity [line items]
Hedging reserves relating to settled hedges	$ 80	$ 226

X

- 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.

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- Definition

The amount of dividends paid by the entity on ordinary shares. [Refer: Ordinary shares [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 34
-IssueDate 2023-01-01
-Paragraph 16A
-Subparagraph f
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=34&code=ifrs-tx-2023-en-r&anchor=para_16A_f&doctype=Standard
-URIDate 2023-03-23

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- Definition

A component of equity representing the reserve of cash flow hedges in relation to continuing hedges. [Refer: Reserve of cash flow hedges]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2023-01-01
-Paragraph 24B
-Subparagraph b
-Clause ii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_24B_b_ii&doctype=Standard
-URIDate 2023-03-23

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- Definition

Transfer from retained earnings to distributable profit reserves.

+ References

No definition available.

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