Income Taxes - Income Before Income Tax Provision and the Income Tax Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income before income tax (benefit) expense:
Domestic	$ 192.4	$ 1,842.0	$ 448.3
Foreign	1,104.4	1,749.8	1,296.9
Income before income tax (benefit) expense and equity in loss of investee, net of tax	1,296.8	3,591.8	1,745.2
Current:
Federal	377.6	694.5	319.1
State	15.1	39.0	23.1
Foreign	48.4	67.9	137.1
Total current	441.1	801.4	479.3
Deferred:
Federal	(587.4)	(328.3)	(242.5)
State	(12.7)	2.5	(11.9)
Foreign	294.3	157.2	(172.4)
Total deferred	(305.8)	(168.6)	(426.8)
Total income tax (benefit) expense	$ 135.3	$ 632.8	$ 52.5