v3.26.1
BASIS OF PRESENTATION - Investments in Unconsolidated Affiliates (Details)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2026
healthcare_facility
Jun. 30, 2026
hospital
Jun. 30, 2026
Jun. 30, 2025
USD ($)
Schedule of Equity Method Investments [Line Items]              
Investee results reflected (percent)           1  
Net operating revenues $ 5,628 $ 5,271 $ 10,996       $ 10,494
Net income 1,045 522 1,951       1,144
Equity Method Investment, Nonconsolidated Investee or Group of Investees              
Schedule of Equity Method Investments [Line Items]              
Net operating revenues 949 917 1,831       1,776
Net income 249 230 462       445
Net income available to the investees 138 124 260       249
Ambulatory Care              
Schedule of Equity Method Investments [Line Items]              
Number of outpatient centers operated | hospital         413    
Number of outpatient centers | hospital         564    
Net operating revenues $ 1,388 $ 1,270 $ 2,708       $ 2,464
Ambulatory Care | United Surgical Partners International              
Schedule of Equity Method Investments [Line Items]              
Number of outpatient centers recorded using equity method       151 151