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Share-Based Payments (Details 1) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Summary of share based compensation expense associated with different programs [Abstract]
Share-based compensation expense	$ (58.0)	$ (55.8)	$ (128.4)	$ (128.4)
Subtotal	59.1	59.4	130.9	137.9
Capitalized share-based compensation costs	(2.3)	(1.7)	(5.1)	(4.3)
Share-based compensation expense included in total costs and expenses	56.8	57.7	125.8	133.6
Market stock units
Summary of share based compensation expense associated with different programs [Abstract]
Share-based compensation expense	1.5	9.3	7.4	25.8
Time-vested restricted stock units
Summary of share based compensation expense associated with different programs [Abstract]
Share-based compensation expense	50.4	40.4	101.7	83.2
Performance stock units settled in stock
Summary of share based compensation expense associated with different programs [Abstract]
Share-based compensation expense	3.3	3.0	11.6	9.3
Performance stock units settled in cash
Summary of share based compensation expense associated with different programs [Abstract]
Share-based compensation expense	1.1	3.4	2.5	9.4
Employee stock purchase plan
Summary of share based compensation expense associated with different programs [Abstract]
Share-based compensation expense	$ 2.8	$ 3.3	$ 7.7	$ 10.2

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Topic 718
-SubTopic 10
-Section 50
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