Components of Provision for Income Taxes (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Current provision:
Federal	$ 567.0	$ 410.0	$ 182.5
State	143.1	85.9	44.9
Foreign	335.0	243.5	132.6
Current Income Tax Expense (Benefit), Total	1,045.1	739.4	360.0
Deferred (benefit) provision:
Federal	(173.2)	(176.0)	(10.5)
State	(42.0)	(29.6)	1.9
Foreign	7.2	(3.0)	9.0
Deferred taxes	(208.0)	(208.6)	0.4
Income taxes	$ 837.1	$ 530.8	$ 360.4