REVENUE - Schedule of Accounts Receivable and Current and Long-term Contract Assets and Liabilities (Details) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023	Jun. 30, 2023
Revenue from Contract with Customer [Abstract]
Accounts Receivable, Less Allowance	$ 3,048.1	$ 2,467.9	$ 3,117.8
Contract Assets (Current)	60.8	46.2
Contract Assets (Long-Term)	223.7	151.7
Contract Liabilities (Current)	306.3	365.7
Contract Liabilities (Long-Term)	$ 4.0	$ 3.8