FAIR VALUE MEASUREMENTS - FINANCIAL INSTRUMENTS (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Financial instruments
Preferred stock of subsidiary	$ 30.4	$ 30.4
Carrying amount
Financial instruments
Preferred stock of subsidiary	30.4	30.4
Long-term debt, including current portion	14,894.9	13,563.4
Finance lease obligations	183.0	129.7
Fair value
Financial instruments
Preferred stock of subsidiary	25.0	30.3
Long-term debt, including current portion	$ 13,190.6	$ 14,819.4

Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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Balance Type:	credit
Period Type:	instant