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Share-Based Payments (Details 1) - USD ($) $ in Millions | 3 Months Ended
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Mar. 31, 2020 | Mar. 31, 2019
Summary of share based compensation expense associated with different programs [Abstract] |  |
Share-based compensation expense | $ (69.2) | $ 49.0
Subtotal | 76.4 | 49.5
Capitalized share-based compensation costs | (1.5) | (3.3)
Share-based compensation expense included in total costs and expenses | 74.9 | 46.2
Market stock units |  |
Summary of share based compensation expense associated with different programs [Abstract] |  |
Share-based compensation expense | 19.1 | 7.7
Time-vested restricted stock units |  |
Summary of share based compensation expense associated with different programs [Abstract] |  |
Share-based compensation expense | 37.5 | 34.7
Cash settled performance shares |  |
Summary of share based compensation expense associated with different programs [Abstract] |  |
Share-based compensation expense | (1.6) | (1.0)
Performance units |  |
Summary of share based compensation expense associated with different programs [Abstract] |  |
Share-based compensation expense | (0.1) | 0.5
Performance stock units settled in stock |  |
Summary of share based compensation expense associated with different programs [Abstract] |  |
Share-based compensation expense | 10.3 | 2.0
Performance stock units settled in cash |  |
Summary of share based compensation expense associated with different programs [Abstract] |  |
Share-based compensation expense | 8.9 | 1.0
Employee stock purchase plan |  |
Summary of share based compensation expense associated with different programs [Abstract] |  |
Share-based compensation expense | $ 2.3 | $ 4.6

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