v3.26.1
FAIR VALUE MEASUREMENTS - Reconciliation of Fair Value Measurements that Use Significant Unobservable Inputs (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Mar. 31, 2026
Dec. 31, 2025
Mar. 31, 2025
Dec. 31, 2024
Indemnifications related to Kidney Care separation                
Contingent payments related to acquisitions                
Fair value at beginning of period $ 43 $ 56 $ 43 $ 56 $ 53 $ 53 $ 37 $ 0
Additions 0 19 0 56        
Change in fair value recognized in earnings 0 0 0 0        
Payments (10) 0 (10) 0        
Fair value at end of period 43 56 43 56        
Contingent payments related to acquisitions                
Contingent payments related to acquisitions                
Fair value at beginning of period 10 12 10 12 $ 7 $ 7 $ 12 $ 12
Additions 0 0 0 0        
Change in fair value recognized in earnings 3 0 3 0        
Payments 0 0 0 0        
Fair value at end of period 10 12 10 12        
Available-for-sale debt securities                
Available-for-sale debt securities                
Fair value at beginning of period 1 1 1 1        
Additions 0 0 0 0        
Change in fair value recognized in earnings 0 0 0 0        
Payments 0 0 0 0        
Fair value at end of period $ 1 $ 1 $ 1 $ 1