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INVESTMENTS - Deconsolidation Impacts on Financial Statements (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Debt and Equity Securities, FV-NI [Line Items]
Gains recognized upon deconsolidation	$ 504.1	$ (425.5)	$ 284.6
Currency translation adjustments | Reclassification out of accumulated other comprehensive income
Debt and Equity Securities, FV-NI [Line Items]
Gains recognized upon deconsolidation	0.0	3.0	2.4
Assets
Debt and Equity Securities, FV-NI [Line Items]
Net decrease in assets, liabilities, and redeemable noncontrolling interest	(663.8)	(256.9)	(753.0)
Liability
Debt and Equity Securities, FV-NI [Line Items]
Net decrease in assets, liabilities, and redeemable noncontrolling interest	(29.7)	(12.8)	(17.6)
Redeemable non-controlling interest
Debt and Equity Securities, FV-NI [Line Items]
Net decrease in assets, liabilities, and redeemable noncontrolling interest	$ (479.2)	$ (147.2)	$ (501.1)

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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
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.7)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2

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