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Financial risk management - D.6. Capital management (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Financial Instruments [Abstract]
Net debt	$ 5,357	$ 5,174
Equity attributable to Owners of the Company	3,640	3,628
Net debt and equity	$ 8,997	$ 8,802
Gearing ratio	60.00%	59.00%

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
-Note Expiry date 2027-01-01
-Name IAS
-Number 1
-IssueDate 2025-01-01
-Paragraph 54
-Subparagraph r
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_54_r&doctype=Standard
-URIDate 2025-03-27

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- Definition

Financial Instruments [Abstract]

+ References

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- Definition

Gearing Ratio

+ References

No definition available.

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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

+ References

No definition available.

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