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Related Parties - Summary of Directors and Executive Board Management Compensation (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Directors [member]
Disclosure of transactions between related parties [line items]
Short-term employee benefits	$ 2	$ 2	$ 2
Total Compensation	2	2	2
Executive Committee [member]
Disclosure of transactions between related parties [line items]
Short-term employee benefits	15	12	15
Share-based payment	55	46	35
Total Compensation	$ 70	$ 58	$ 50

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 compensation to key management personnel. [Refer: Key management personnel of entity or parent [member]]

+ References

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-Name IAS
-Number 24
-IssueDate 2024-01-01
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-URIDate 2024-03-27

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- Definition

The amount of compensation to key management personnel in the form of share-based payments. [Refer: Key management personnel of entity or parent [member]]

+ References

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-Number 24
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- Definition

The amount of compensation to key management personnel in the form of short-term employee benefits. [Refer: Key management personnel of entity or parent [member]]

+ References

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-Paragraph 17
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