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Related Parties - Summary of Compensation to Directors and Executive Officers (Detail) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Key management personnel
Short-term employee benefits		$ 4	$ 2	$ 2
Post-employment benefits	[1]
Share-based payment		$ 172	$ 24	$ 6
[1] Amount less than $1 million

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- 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 in the form of post-employment benefits. [Refer: Key management personnel of entity or parent [member]]

+ References

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-Number 24
-IssueDate 2021-01-01
-Paragraph 17
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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]]

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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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-Name IAS
-Number 24
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