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Provisions - Summary Of Information About Provisions (Parenthetical) (Detail) - Restoration [member] $ in Millions	12 Months Ended
	Dec. 31, 2024 USD ($)
Disclosure of detailed information about provisions [line items]
Provision used, other provisions	$ 887
Increase (decrease) through transfers and other changes, other provisions	647
Increase (decrease) in accounting estimate	$ 598

X

- Definition

The increase (decrease) in an accounting estimate that has an effect in the current period or is expected to have an effect in future periods.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 8
-IssueDate 2024-01-01
-Paragraph 39
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-URIDate 2024-03-27

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X

- Definition

The increase (decrease) in other provisions resulting from transfers and changes that the entity does not separately disclose in the same statement or note. [Refer: Other provisions]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 37
-IssueDate 2024-01-01
-Paragraph 84
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2024-en-r&anchor=para_84&doctype=Standard
-URIDate 2024-03-27

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X

- Definition

The amount used (ie incurred and charged against the provision) for other provisions. [Refer: Other provisions]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 37
-IssueDate 2024-01-01
-Paragraph 84
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2024-en-r&anchor=para_84_c&doctype=Standard
-URIDate 2024-03-27

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X

- Definition

Disclosure of detailed information about provisions.

+ References

No definition available.

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