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Share-Based Payments - Summary of Share-based Compensation Expense Associated with Each Share-based Compensating Programs (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |
Share-based compensation expense | $ (263.5) | $ (246.6) | $ (204.5)
Subtotal | 273.6 | 258.8 | 211.3
Capitalized share-based compensation costs | (9.3) | (8.0) | (6.2)
Share-based compensation expense included in total cost and expense | 264.3 | 250.8 | 205.1
Market stock units |  |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |
Share-based compensation expense | 13.2 | 45.6 | 40.5
Time-vested restricted stock units |  |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |
Share-based compensation expense | 202.3 | 159.8 | 142.6
Cash settled performance units |  |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |
Share-based compensation expense | 0.0 | 0.0 | (1.7)
Performance units |  |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |
Share-based compensation expense | 0.0 | 0.0 | (0.1)
Performance stock units settled in stock |  |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |
Share-based compensation expense | 35.0 | 23.9 | 7.9
Performance stock units settled in cash |  |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |
Share-based compensation expense | 10.1 | 12.2 | 8.6
Employee stock purchase plan |  |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |
Share-based compensation expense | 12.7 | 17.3 | 13.5
Stock options |  |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |
Share-based compensation expense | $ 0.3 | $ 0.0 | $ 0.0

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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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