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v3.25.2

Dividends, earnings per share and share repurchase program (Details) shares in Millions, $ in Millions |  | 1 Months Ended | 3 Months Ended | 6 Months Ended
--- | --- | --- | --- | ---
Feb. 25, 2025 USD ($) | May 31, 2025 USD ($) | May 31, 2025 SFr / shares | May 31, 2024 USD ($) | May 31, 2024 SFr / shares | Jun. 30, 2025 USD ($) shares | Jun. 30, 2024 shares | Jun. 30, 2025 USD ($) shares | Jun. 30, 2024 USD ($) shares
Earnings per share [abstract] |  |  |  |  |  |  |  |  |
Dividends paid (in CHF per share) | SFr / shares |  |  | SFr 0.28 |  | SFr 0.24 |  |  |  |
Dividends paid | $ |  | $ 166 |  | $ 130 |  |  |  |  |
Number of shares outstanding (in shares) |  |  |  |  |  | 494.4 |  | 494.4 |
Repurchase of common shares (in shares) |  |  |  |  |  |  |  | 1.4 |
Number of shares issued for vesting under the equity incentive programs (in shares) |  |  |  |  |  |  |  | 1.1 |
Weighted average number of shares outstanding - basic (in shares) |  |  |  |  |  | 495.2 | 494.5 | 495.2 | 494.1
Weighted average number of shares outstanding - diluted (in shares) |  |  |  |  |  | 497.9 | 497.0 | 497.9 | 496.7
Potentially dilutive shares (in shares) |  |  |  |  |  | 2.7 | 2.5 | 2.7 | 2.6
Share repurchase program, authorized amount | $ | $ 750 |  |  |  |  |  |  |  |
Share repurchase program, term | 3 years |  |  |  |  |  |  |  |
Number of shares repurchased (in shares) |  |  |  |  |  |  |  | 1.4 |
Acquisition of treasury shares | $ |  |  |  |  |  |  |  | $ 121 |
Payments for acquisition of treasury shares | $ |  |  |  |  |  |  |  | 116 | $ 0
Share repurchase liability, current | $ |  |  |  |  |  | $ 5 |  | $ 5 |

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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 + Details
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- Definition The number of shares that have been authorised and issued, reduced by treasury shares held. [Refer: Treasury shares] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 79 -Subparagraph a -Clause iv -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_79_a_iv&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The decrease in equity resulting from the purchase of treasury shares. [Refer: Treasury shares] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 106 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_106_d&doctype=Standard -URIDate 2024-03-27 + Details
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