v3.26.3
Stockholders' Deficit - Schedule of Impact of Noncontrolling Interest to Stockholders' Deficit (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Equity [Abstract]        
Net Income (Loss) $ (86) $ 130 $ (74) $ 399
Net (decrease) increase in Community Health Systems,Inc. paid-in-capital for purchase of subsidiary partnership interests   (1)   (1)
Net transfers to the noncontrolling interests   (1)   (1)
Change to Community Health Systems, Inc. stockholders' deficit from net (loss) income attributable to Community Health Systems, Inc. stockholders and transfers to noncontrolling interests $ (86) $ 129 $ (74) $ 398