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INVESTMENTS - Deconsolidation Impacts on Financial Statements (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Debt and Equity Securities, FV-NI [Line Items]
Gains recognized upon deconsolidation	$ 106.2	$ (279.9)	$ 241.6	$ (478.4)
Reclassification out of accumulated other comprehensive income | Currency translation adjustments
Debt and Equity Securities, FV-NI [Line Items]
Gains recognized upon deconsolidation	0.0	5.2	0.0	6.8
Assets
Debt and Equity Securities, FV-NI [Line Items]
Net decrease in assets, liabilities and redeemable noncontrolling interests	(79.0)	(216.3)	(81.4)	(313.8)
Liability
Debt and Equity Securities, FV-NI [Line Items]
Net decrease in assets, liabilities and redeemable noncontrolling interests	(33.0)	(6.4)	(33.1)	(15.0)
Redeemable Noncontrolling Interest
Debt and Equity Securities, FV-NI [Line Items]
Net decrease in assets, liabilities and redeemable noncontrolling interests	$ 5.9	$ (155.0)	$ 5.9	$ (218.1)

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- Definition

Represents the carrying value of the assets (liabilities or redeemable noncontrolling interest) deconsolidated during the period as valued on the date that the parent no longer had a controlling financial interest in the subsidiary.

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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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