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Share-Based Payments (Details 1) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Summary of share based compensation expense associated with different programs [Abstract] |  |  |  |
Share-based compensation expense | $ (57.6) | $ (35.4) | $ (186.1) | $ (154.2)
Subtotal | 62.1 | 39.6 | 200.0 | 161.5
Capitalized share-based compensation costs | (1.9) | (1.9) | (6.3) | (4.9)
Share-based compensation expense included in total costs and expenses | 60.2 | 37.7 | 193.7 | 156.6
Market stock units |  |  |  |
Summary of share based compensation expense associated with different programs [Abstract] |  |  |  |
Share-based compensation expense | 9.7 | 5.5 | 35.5 | 32.0
Time-vested restricted stock units |  |  |  |
Summary of share based compensation expense associated with different programs [Abstract] |  |  |  |
Share-based compensation expense | 38.8 | 35.3 | 121.9 | 107.3
Cash settled performance shares |  |  |  |
Summary of share based compensation expense associated with different programs [Abstract] |  |  |  |
Share-based compensation expense | 0.0 | 0.0 | 0.0 | (1.7)
Performance units |  |  |  |
Summary of share based compensation expense associated with different programs [Abstract] |  |  |  |
Share-based compensation expense | 0.0 | 0.0 | 0.0 | (0.1)
Performance stock units settled in stock |  |  |  |
Summary of share based compensation expense associated with different programs [Abstract] |  |  |  |
Share-based compensation expense | 4.9 | (8.4) | 14.2 | 4.0
Performance stock units settled in cash |  |  |  |
Summary of share based compensation expense associated with different programs [Abstract] |  |  |  |
Share-based compensation expense | 4.4 | 4.1 | 13.9 | 9.0
Employee stock purchase plan |  |  |  |
Summary of share based compensation expense associated with different programs [Abstract] |  |  |  |
Share-based compensation expense | $ 4.3 | $ 3.1 | $ 14.5 | $ 11.0

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