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INVESTMENTS - Deconsolidation Impacts on Financial Statements (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Debt and Equity Securities, FV-NI [Line Items]
Gains recognized upon deconsolidation	$ (425.5)	$ 284.6	$ 496.5
Currency translation adjustments | Reclassification out of accumulated other comprehensive income
Debt and Equity Securities, FV-NI [Line Items]
Gains recognized upon deconsolidation	3.0	2.4	0.7
Assets
Debt and Equity Securities, FV-NI [Line Items]
Net decrease in assets, liabilities, and redeemable noncontrolling interest	(256.9)	(753.0)	(546.1)
Liability
Debt and Equity Securities, FV-NI [Line Items]
Net decrease in assets, liabilities, and redeemable noncontrolling interest	(12.8)	(17.6)	(10.5)
Redeemable non-controlling interest
Debt and Equity Securities, FV-NI [Line Items]
Net decrease in assets, liabilities, and redeemable noncontrolling interest	$ (147.2)	$ (501.1)	$ (308.1)

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- Definition

Deconsolidation Value

+ References

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- Definition

The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.7)
-URI https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227

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