Income before Provision for Income Taxes, Classified by Source of Income (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Document Fiscal Year Focus	2023
U.S.	$ 3,665.0	$ 1,845.6	$ 2,413.9
Outside the U.S.	6,857.2	5,979.8	6,714.0
Income before provision for income taxes	$ 10,522.2	$ 7,825.4	$ 9,127.9