DEBT - Schedule of Long-term Debt (Details) - USD ($) $ in Millions	Jun. 30, 2026	Dec. 31, 2025	Jun. 30, 2025
Debt Disclosure [Abstract]
Long-term debt (including current portion)	$ 9,825.7	$ 9,670.8	$ 8,979.6
Short-term borrowings	2,246.4	1,200.5	1,706.7
Total debt outstanding	$ 12,072.1	$ 10,871.3	$ 10,686.3