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Consolidated Shareholders' Equity - Summary of Number of Shares Used to Compute Diluted Earnings Per Share (Details) - shares	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Share Capital, Reserves And Other Equity Interest [Abstract]
Average number of shares outstanding (in shares)	1,225,500,000	1,249,400,000	[1]
Adjustment for stock options with dilutive effect (in shares)	100,000	100,000
Adjustment for restricted shares (in shares)	5,100,000	4,300,000
Average number of shares used to compute diluted earnings per share (in shares)	1,230,700,000	1,253,800,000	[1]
[1] Figures for the 2024 comparative period have been re-presented on a consistent basis to reflect the classification of Opella as a discontinued operation.

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- Definition

The weighted average number of ordinary shares outstanding plus the weighted average number of ordinary shares that would be issued on the conversion of all the dilutive potential ordinary shares into ordinary shares. [Refer: Ordinary shares [member]; Weighted average [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 33
-IssueDate 2024-01-01
-Paragraph 70
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2024-en-r&anchor=para_70_b&doctype=Standard
-URIDate 2024-03-27

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- Definition

The potential dilutive effect on the weighted average number of ordinary shares that relate to the assumed exercise of the entity's share options.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 33
-IssueDate 2024-01-01
-Paragraph 70
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2024-en-r&anchor=para_70_b&doctype=Standard
-URIDate 2024-03-27

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- Definition

The number of ordinary shares outstanding at the beginning of the period, adjusted by the number of ordinary shares bought back or issued during the period multiplied by a time-weighting factor.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 33
-IssueDate 2024-01-01
-Paragraph 70
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2024-en-r&anchor=para_70_b&doctype=Standard
-URIDate 2024-03-27

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- Definition

Dilutive effect of share options on number of restricted shares.

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- Definition

Share Capital, Reserves And Other Equity Interest [Abstract]

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