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Financial and capital risk management - Effects of derivatives on other comprehensive income (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Net Investments Hedge [Member]
IfrsStatementLineItems [Line Items]
Gain (loss) recognised in other comprehensive income	$ 81	$ (118)	$ (578)
Cash Flow Hedge Nickel And Palladium [Member]
IfrsStatementLineItems [Line Items]
Gain (loss) recognised in other comprehensive income	$ 19	$ 3	$ (105)

X

- Definition

The gain (loss) recognised in other comprehensive income on hedge ineffectiveness. [Refer: Gain (loss) on hedge ineffectiveness]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2022-03-24
-Paragraph 24C
-Subparagraph a
-Clause i
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_24C_a_i&doctype=Standard
-URIDate 2022-03-24

+ Details

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- References

No definition available.

+ Details

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X

- Details

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X

- Details

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