FAIR VALUE ACCOUNTING - Changes in the Fair Value of Level 3 Financial Assets and Liabilities (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Summary of changes in Level 3 financial assets
Fair value, beginning of period	$ 188	$ 171
Revaluation	(1)	8
Fair value, end of period	187	179
Summary of changes in Level 3 financial liabilities
Fair value, beginning of period	3	5
Revaluation	2	0
Fair value, end of period	5	5
Other income, net
Summary of changes in Level 3 financial assets
Revaluation	(7)
Income (Loss) From Discontinued Operations
Summary of changes in Level 3 financial assets
Revaluation	6
Contingent Consideration Liabilities
Summary of changes in Level 3 financial liabilities
Fair value, beginning of period	3	5
Revaluation	2	0
Fair value, end of period	5	5
Contingent consideration assets
Summary of changes in Level 3 financial assets
Fair value, beginning of period	188	171
Revaluation	(1)	8
Fair value, end of period	$ 187	$ 179

Amount of unrealized gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3) and still held.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

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- Definition

Amount of unrealized gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3) and still held.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

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- Definition

Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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