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Share-Based Compensation Plans - RSUs Valuation Assumptions (Details) - $ / shares | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Time-vesting RSUs |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of shares granted | 48,872 | 18,080 | 33,665
Grant date fair value per share (in dollars per share) | $ 268.60 | $ 283.86 | $ 312.83
Weighted-average assumptions/inputs: |  |  |
Expected dividend yield (as a percent) | 0.60% | 0.50% | 0.40%
Range of risk-free interest rates (minimum) (as a percent) | 3.60% | 1.20% | 0.30%
Range of risk-free interest rates (maximum) (as a percent) | 4.70% | 4.50% | 1.00%
Performance and Time-vesting RSUs |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of shares granted | 279,083 | 120,340 | 94,001
Grant date fair value per share (in dollars per share) | $ 313.84 | $ 296.28 | $ 308.59
Weighted-average assumptions/inputs: |  |  |
Expected dividend yield (as a percent) | 0.60% | 0.50% | 0.40%
Range of risk-free interest rates (minimum) (as a percent) | 3.60% | 0.40% | 0.30%
Range of risk-free interest rates (maximum) (as a percent) | 4.50% | 3.20% | 0.70%

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- Definition The number of grants made 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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- Definition The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (f)(2)(iii) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition The maximum risk-free interest rate assumption that is used in valuing an option on its own shares. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. 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