v3.26.1
Basis of Presentation and Significant Accounting Policies - Additional Information (Details)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
Hospital
Jun. 30, 2025
USD ($)
Hospital
Dec. 31, 2025
USD ($)
Cost of Revenue, Policy [Abstract]          
Corporate Office Costs $ 65 $ 69 $ 113 $ 138  
Third Party Reimbursement [Abstract]          
Amounts due to third party payors 124   124   $ 130
Amounts due from third party payors 127   127   $ 154
Net Operating Revenues, Policy [Abstract]          
Charity care services charges excluded from net operating revenues 519 334 863 642  
Value of charity care services at the Company's standard charges included in contractual allowances $ 50 $ 34 $ 84 $ 69  
Accounting for the Impairment or Disposal of Long-Lived Assets          
Number of hospitals sold | Hospital     1 4  
Change in Accounting Principle, Accounting Standards Update, Immaterial Effect [true false] true   true    
Hospitals Sold or Deemed Held For Sale          
Accounting for the Impairment or Disposal of Long-Lived Assets          
Gain (loss) on disposition of business     $ 262 $ 263  
Gain (loss) on sales of assets and asset impairment charges gross     400 291  
Amount related to several assets idled disposed or held for sale     7 5  
Adjustment for Carrying Value of Other Long-Lived Assets at Underperforming Hospitals          
Accounting for the Impairment or Disposal of Long-Lived Assets          
Impairment of long-lived assets held for sale     $ 131 $ 23  
Impairment, Long-Lived Asset, Held-for-Use, Statement of Income or Comprehensive Income [Extensible Enumeration]     Asset Impairment Charges Asset Impairment Charges  
Shared Service Center          
Accounting for the Impairment or Disposal of Long-Lived Assets          
Gain (loss) on disposition of business     $ 417