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Related parties - Key management personnel remuneration (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Short-term benefits
Wages	$ 10	$ 9	$ 9
Direct and indirect benefits	2	1	1
Profit sharing program (“PLR”)	12	10	8
Total short- term benefits	24	20	18
Long-term benefits
Shares based	18	12	12
Severance	2	1	7
Total short and long-term benefits	$ 44	$ 33	$ 37

X

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 24
-IssueDate 2022-03-24
-Paragraph 17
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-URIDate 2022-03-24

+ Details

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X

- 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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 24
-IssueDate 2022-03-24
-Paragraph 17
-Subparagraph e
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2022-en-r&anchor=para_17_e&doctype=Standard
-URIDate 2022-03-24

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X

- 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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 24
-IssueDate 2022-03-24
-Paragraph 17
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2022-en-r&anchor=para_17_a&doctype=Standard
-URIDate 2022-03-24

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X

- Definition

The amount of direct and indirect benefits to key management personnel.

+ References

No definition available.

+ Details

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X

- Definition

he amount of compensation to key management personnel in the form of profit sharing program.

+ References

No definition available.

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- Definition

The amount of compensation to key management personnel in the form of severance.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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X

- Definition

The amount of compensation to key management personnel in the form of wages or pro-labor.

+ References

No definition available.

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- References

No definition available.

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- References

No definition available.

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