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Share-based Compensation Awards (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Stock-based Payment Award |  |  |
Vesting period in which the fair value of shares on grant date is amortized over, years | 2 years |  |
Stock-settled awards |  |  |
Stock-based Payment Award |  |  |
Awards granted | 1.4 | 1.4 | 1.3
Weighted-average grant-date fair value (per award) | $ 31.39 | $ 35.54 | $ 36.36
Total fair value of vested awards distributed | $ 20.6 | $ 60.8 | $ 59.7
Accrued dividends on non-vested stock-settled awards | 3.7 | 3.0 |
Dividends paid for stock-settled awards | $ 2.1 | $ 5.3 |
Cash-settled awards |  |  |
Stock-based Payment Award |  |  |
Awards granted | 0.1 | 0.0 | 0.0
Weighted-average grant-date fair value (per award) | $ 31.40 | $ 35.71 | $ 36.53
Total fair value of vested awards distributed | $ 0.0 | $ 0.8 | $ 0.8
Performance-based awards |  |  |
Stock-based Payment Award |  |  |
Awards granted | 2.8 | 2.1 | 1.6
Weighted-average grant-date fair value (per award) | $ 27.53 | $ 26.31 | $ 29.95
Total fair value of vested awards distributed | $ 9.4 | $ 84.8 | $ 54.5

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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(01) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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