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FAIR VALUE MEASUREMENTS - Reconciliation of Level 3 Earn-out Assets and Liabilities (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 | Dec. 31, 2023
Current earn-out receivables |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Beginning balance | $ 5 | $ 9
Contingent earn-out recognized upon acquisition or disposition | 3 | 5
Change in fair value of contingent consideration | 0 | (9)
Earn-out settlements | (3) |
Ending balance | 5 | 5
Current earn-out liabilities |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Beginning balance | 2 | 21
Contingent earn-out recognized upon acquisition or disposition | 0 | 5
Change in fair value of contingent consideration | (1) | (24)
Earn-out settlements | 0 |
Ending balance | 1 | 2
Non-current earn-out liabilities |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Beginning balance | 13 | 10
Contingent earn-out recognized upon acquisition or disposition | 0 | 3
Change in fair value of contingent consideration | 0 | 0
Earn-out settlements | 0 |
Ending balance | $ 13 | $ 13

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- Definition Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Change in Fair Value of Contingent Consideration + References No definition available. + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Amount of settlement 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 -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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- Definition Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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