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Earnings per share (Tables) | 9 Months Ended
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Sep. 30, 2025
Earnings Per Share [Abstract] |
Schedule of Shares Used in the Earnings Per Share Calculations |
| For the three months ended September 30 | For the nine months ended September 30
(in millions, except per share data) | 2025 | 2024 | 2025 | 2024
Net income attributable to controlling shareholders | $ | 920 |  | $ | 837 |  | $ | 3,064 |  | $ | 2,517 |
Weighted-average basic shares outstanding | 910.4 |  | 933.2 |  | 922.4 |  | 932.8 |
Dilutive effect of stock options | 1.0 |  | 2.1 |  | 1.0 |  | 2.0 |
Weighted-average diluted shares outstanding | 911.4 |  | 935.3 |  | 923.4 |  | 934.8 |
Earnings per share - basic | $ | 1.01 |  | $ | 0.90 |  | $ | 3.32 |  | $ | 2.70 |
Earnings per share - diluted | $ | 1.01 |  | $ | 0.90 |  | $ | 3.32 |  | $ | 2.69 |

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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 + Details
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