Borrowings - Additional Information (Detail) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Jan. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Commercial paper and medium-term notes		$ 8,914.1	$ 7,472.2
Fair value hedges, unamortized discounts and unamortized debt issuance costs, net		(37.8)	(38.6)
Interest paid on borrowings		$ 239.4	$ 126.6	$ 118.2
Subsequent Event
Debt Instrument [Line Items]
Proceeds from issuance of medium-term notes	$ 600.0
Medium-term Notes
Debt Instrument [Line Items]
Registration expiration		2024-11