Income Taxes - Income Before Income Tax Provision and the Income Tax Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income before income taxes (benefit):
Domestic	$ 448.3	$ 3,290.0	$ 4,725.3
Foreign	1,296.9	1,757.5	2,400.6
Income before income tax expense and equity in loss of investee, net of tax	1,745.2	5,047.5	7,125.9
Current:
Federal	319.1	647.0	947.4
State	23.1	41.2	59.1
Foreign	137.1	155.1	84.4
Total	479.3	843.3	1,090.9
Deferred:
Federal	(242.5)	(1,749.9)	1,143.9
State	(11.9)	(6.8)	(2.3)
Foreign	(172.4)	1,905.7	(1,074.5)
Total	(426.8)	149.0	67.1
Total income tax expense	$ 52.5	$ 992.3	$ 1,158.0