Income Taxes - Components of Income and Provision for (Benefit from) Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Components of income (loss) before provision for (benefit from) income taxes
United States	$ 2,030.7	$ 2,885.4	$ 1,263.4
Foreign	699.7	231.5	131.5
Income before provision for income taxes	2,730.4	3,116.9	1,394.9
Current taxes:
Federal	374.9	71.4	0.0
Foreign	141.5	37.6	37.2
State	26.5	18.9	13.5
Total current taxes	542.9	127.9	50.7
Deferred taxes:
Federal	(36.9)	510.2	184.3
Foreign	(98.4)	(239.6)	(24.8)
State	(19.3)	6.7	7.9
Total deferred taxes	(154.6)	277.3	167.4
Provision for income taxes	$ 388.3	$ 405.2	$ 218.1