BASIS OF PRESENTATION - Schedule of Variable Interest Entities (Details) - USD ($) $ in Millions	6 Months Ended		12 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Variable Interest Entity [Line Items]
Other accruals	$ 1,395.5	$ 1,343.6	$ 1,508.9
Other long-term liabilities	2,595.0	2,652.6	2,575.8
VIEs
Variable Interest Entity [Line Items]
Accrued taxes	73.9	63.4	128.3
Other assets	922.1	861.7	826.1
Other accruals	126.8	85.9	123.4
Other long-term liabilities	755.8	727.0	667.8
Net deferred income tax asset	$ 8.4	$ 14.0	$ 2.6