FAIR VALUE MEASUREMENTS - Summary of Financial Instruments Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025
Assets
Foreign exchange contracts	$ 0
Available-for-sale debt securities	1	$ 1
Marketable equity securities	11	15
Total assets	12	16
Liabilities
Foreign exchange contracts	2	1
Contingent payments related to acquisitions	7	7
Indemnifications related to kidney care separation	53	53
Total liabilities	62	61
Quoted prices in active markets for identical assets (Level 1)
Assets
Foreign exchange contracts	0
Available-for-sale debt securities	0	0
Marketable equity securities	11	15
Total assets	11	15
Liabilities
Foreign exchange contracts	0	0
Contingent payments related to acquisitions	0	0
Indemnifications related to kidney care separation	0	0
Total liabilities	0	0
Significant other observable inputs (Level 2)
Assets
Foreign exchange contracts	0
Available-for-sale debt securities	0	0
Marketable equity securities	0	0
Total assets	0	0
Liabilities
Foreign exchange contracts	2	1
Contingent payments related to acquisitions	0	0
Indemnifications related to kidney care separation	0	0
Total liabilities	2	1
Significant unobservable inputs (Level 3)
Assets
Foreign exchange contracts	0
Available-for-sale debt securities	1	1
Marketable equity securities	0	0
Total assets	1	1
Liabilities
Foreign exchange contracts	0	0
Contingent payments related to acquisitions	7	7
Indemnifications related to kidney care separation	53	53
Total liabilities	$ 60	$ 60