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v3.25.0.1

Shareholders' equity (Details) $ / shares in Units, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 USD ($) vote $ / shares shares | Dec. 31, 2023 USD ($) $ / shares shares | Dec. 31, 2022 USD ($)
Class of Stock [Line Items] |  |  |
Number of votes per share of common stock | vote | 1 |  |
Dividends, preferred stock | $ | $ 1 | $ 1 | $ 1
Common stock repurchased (in shares) | 15,872,321 | 54,900,928 |
Common stock repurchased, percentage of issued capital | 2.21% | 7.47% |
Common stock repurchased, average price (in usd per share) | $ / shares | $ 82.01 | $ 54.92 |
Common stock cancelled (in shares) |  | 17,620,740 |
Common stock cancelled, percentage of issued capital |  | 2.40% |
Treasury stock (in shares) | 41,355,384 | 42,419,281 |
Treasury stock, percentage of common stock issued | 5.75% | 5.78% |
5% Preferred Stock |  |  |
Class of Stock [Line Items] |  |  |
Preferred stock dividend rate percentage | 5.00% |  |
Preferred stock issued as a percentage of total issued share capital | 0.03% | 0.03% |
7% Preferred Stock |  |  |
Class of Stock [Line Items] |  |  |
Preferred stock dividend rate percentage | 7.00% |  |
Preferred stock issued as a percentage of total issued share capital | 0.48% | 0.47% |

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