Leases - Additional Information (Details) $ in Millions	Dec. 31, 2021 USD ($)
Leases [Abstract]
Operating lease right of use asset pending leases that have not yet commenced	$ 112

Operating Lease Right Of Use Asset Pending Leases That Have Not Yet Commenced

No definition available.

Name:	cyh_OperatingLeaseRightOfUseAssetPendingLeasesThatHaveNotYetCommenced
Namespace Prefix:	cyh_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant