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FAIR VALUE MEASUREMENTS - Reconciliation of Fair Value Measurements that Use Significant Unobservable Inputs (Details) - USD ($) $ in Millions | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Dec. 31, 2023 | Dec. 31, 2022
Contingent payments related to acquisitions |  |  |  |
Contingent payments related to acquisitions |  |  |  |
Fair value at beginning of period | $ 14 | $ 70 | $ 14 | $ 84
Change in fair value recognized in earnings | 0 | (13) |  |
Transfers out of Level 3 | 0 | 0 |  |
Payments | 0 | (1) |  |
Fair value at end of period | 14 | 70 |  |
Available-for-sale debt securities |  |  |  |
Available-for-sale debt securities |  |  |  |
Fair value at beginning of period | 22 | 47 |  |
Change in fair value recognized in earnings | 0 | 0 |  |
Transfers out of Level 3 | 0 | (5) |  |
Payments | 0 | 0 |  |
Fair value at end of period | $ 22 | $ 42 |  |

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- Definition Amount of gain (loss) recognized in income from asset 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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- 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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