NON-TRADED INVESTMENTS (Details) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2020
Variable Interest Entity [Line Items]
Other accruals	$ 968.4	$ 1,127.9	$ 865.2
Other long-term liabilities	1,367.3	1,373.7	1,185.8
VIEs
Variable Interest Entity [Line Items]
Other assets	212.7	198.2	192.4
Other accruals	49.3	89.0	72.0
Other long-term liabilities	$ 139.8	$ 127.3	$ 98.6

Amount of liabilities classified as other, due within one year or the normal operating cycle, if longer.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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