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Financial risk management - D.6. Capital management (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Financial Instruments [Abstract]
Net debt	$ 5,174	$ 5,956
Equity attributable to Owners of the Company	3,628	3,529
Net debt and equity	$ 8,802	$ 9,485
Gearing ratio	59.00%	63.00%

X

- Definition

The amount of equity attributable to the owners of the parent. This specifically excludes non-controlling interest.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 54
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-URIDate 2024-03-27

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- Definition

Financial Instruments [Abstract]

+ References

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- Definition

Gearing Ratio

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- Definition

Net (Cash) Debt (Including Derivative Financial Liabilities)

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- Definition

Net Debt And Equity Attributable To Owners Of Parent

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