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v3.25.1

Equity - Stock Options (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024
Share-based compensation |  |  |
Options granted (in shares) | 158 | 178 |
Assumptions used to measure the fair value of awards |  |  |
Expected life (in years) | 5 years 6 months | 5 years 6 months |
Risk-free interest rate | 4.10% | 4.20% |
Expected volatility | 28.20% | 28.10% |
Expected dividend yield | 2.50% | 2.90% |
Stock options, Number of Options |  |  |
Outstanding at the beginning of the period (in shares) | 1,453 |  |
Granted (in shares) | 158 | 178 |
Exercised (in shares) | (16) |  |
Cancelled (in shares) | 0 |  |
Outstanding at the end of the period (in shares) | 1,595 |  | 1,453
Exercisable at the end of the period (in shares) | 1,271 |  |
Stock options, Weighted Average Exercise Price per Share |  |  |
Outstanding at the beginning of the period (in dollars per share) | $ 100.04 |  |
Granted (in dollars per share) | 130.57 |  |
Exercised (in dollars per share) | 94.22 |  |
Cancelled (in dollars per share) | 0 |  |
Outstanding at the end of the period (in dollars per share) | 103.12 |  | $ 100.04
Exercisable at the end of the period (in dollars per share) | $ 99.43 |  |
Additional information pertaining to stock options |  |  |
Average remaining contractual term, outstanding | 5 years 9 months 18 days |  | 5 years 7 months 6 days
Average remaining contractual term, exercisable | 5 years |  |
Aggregate intrinsic value, outstanding (in dollars) | $ 52 |  | $ 55
Aggregate intrinsic value, exercisable (in dollars) | 46 |  |
Cash received from exercise of stock options | $ 2 |  |
Weighted average grant date fair value of stock options granted (in dollars per share) | $ 33.53 | $ 26.33 |
Total intrinsic value of stock options exercised (in dollars) | $ 1 | $ 5 |
Stock options |  |  |
Share-based compensation |  |  |
Term of award | 10 years |  |
Period of vesting | 3 years |  |
Additional information pertaining to stock options |  |  |
Unrecognized compensation cost | $ 6 |  |
Weighted-average period for amortization of unrecognized compensation cost | 1 year 4 months 24 days |  |

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