SEGMENT INFORMATION - Schedule of Reconciliation of Segment Operating Income and Pre-Tax Income (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Pre-tax Income Reconciliation
Segment operating income	$ 299.1	$ 307.1	$ 1,289.9	$ 1,113.1
Unallocated amounts:
Restructuring charges, separation costs, and other	(10.7)	(0.1)	(10.7)	(8.5)
Impairment of intangible and long-lived assets	(220.2)	(40.0)	(220.2)	(40.0)
Certain litigation (insurance recovery) expenses, net	12.7	(90.4)	(30.7)	(116.8)
Change in fair value of contingent consideration liabilities	0.0	12.5	0.0	12.5
Non-operating income (expense)	64.1	41.3	52.1	69.4
Income from continuing operations before provision for income taxes	363.2	348.4	1,342.0	1,182.5
Operating segments
Pre-tax Income Reconciliation
Segment operating income	1,044.4	947.9	3,108.1	2,774.7
Corporate items
Unallocated amounts:
Corporate items	(533.7)	(510.5)	(1,566.8)	(1,501.9)
Reconciling items
Unallocated amounts:
Restructuring charges, separation costs, and other	(10.7)	(0.1)	(10.7)	(8.5)
Impairment of intangible and long-lived assets	(220.2)	(40.0)	(220.2)	(40.0)
Certain litigation (insurance recovery) expenses, net	12.7	(90.4)	(30.7)	(116.8)
Change in fair value of contingent consideration liabilities	0.0	12.5	0.0	12.5
Foreign currency	$ 6.6	$ (12.3)	$ 10.2	$ (6.9)

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