Share-Based Payments (Details 1) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Summary of share based compensation expense associated with different programs [Abstract]
Share-based compensation expense	$ (64.8)	$ (65.7)	$ (217.8)	$ (194.1)
Subtotal	452.0	71.0	609.7	201.9
Capitalized share-based compensation costs	(2.6)	(2.0)	(8.5)	(7.1)
Share-based compensation expense included in total costs and expenses	449.4	69.0	601.2	194.8
Market stock units
Summary of share based compensation expense associated with different programs [Abstract]
Share-based compensation expense	0.7	4.0	4.2	11.4
Time-vested restricted stock units
Summary of share based compensation expense associated with different programs [Abstract]
Share-based compensation expense	53.4	48.7	175.0	150.4
Performance stock units settled in stock
Summary of share based compensation expense associated with different programs [Abstract]
Share-based compensation expense	7.8	10.5	27.1	22.1
Performance stock units settled in cash
Summary of share based compensation expense associated with different programs [Abstract]
Share-based compensation expense	0.1	5.4	4.8	7.9
Employee stock purchase plan
Summary of share based compensation expense associated with different programs [Abstract]
Share-based compensation expense	2.0	2.4	8.8	10.1
Options
Summary of share based compensation expense associated with different programs [Abstract]
Share-based compensation expense	1.0	0.0	2.8	0.0
Equity Awards Of Acquired Company
Summary of share based compensation expense associated with different programs [Abstract]
Share-based compensation expense	$ 387.0	$ 0.0	$ 387.0	$ 0.0