Name:	cyh_EquivalentPercentageOfTermLoanFacilityRealtedToNetCashProceedsOfCertainAssetSalesAndDispositionsByCompanyAndItsSubsidiaries
Namespace Prefix:	cyh_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Equivalent percentage prepaid as required by the Term Loan Facility Related to Net Cash Proceeds of Issuance of Certain Debt Obligations or Receivables Based Financing by Company and Its Subsidiaries.

No definition available.

Name:	cyh_EquivalentPercentageOfTermLoanFacilityRelatedToNetCashProceedsOfIssuanceOfCertainDebtObligationsOrReceivablesBasedFinancingByCompanyAndItsSubsidiaries
Namespace Prefix:	cyh_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Equivalent percentage prepaid as required by the Term Loan Facility Subject to Reduction to Lower Percentage Based on Company Leverage Ratio.

No definition available.

Name:	cyh_EquivalentPercentageOfTermLoanFacilitySubjectToReductionToLowerPercentageBasedOnCompanyLeverageRatio
Namespace Prefix:	cyh_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

No definition available.

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Floor rate on an interest rate derivative such as an interest rate floor or collar. If market rates falls below the floor rate, a payment or receipt is triggered on the contract.

No definition available.

Name:	us-gaap_DerivativeFloorInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

No definition available.

Name:	us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Name:	us-gaap_DebtInstrumentAxis=cyh_CreditFacilityRevolvingCreditLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_LineOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_DebtInstrumentAxis=cyh_CreditFacilityTermLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_SecuredDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_VariableRateAxis=cyh_AlternateBaseRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_DebtInstrumentAxis=cyh_CreditFacilityTermLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_DebtInstrumentAxis=cyh_CreditFacilityTermLoanFMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	us-gaap_DebtInstrumentAxis=cyh_CreditFacilityTermLoanGMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	us-gaap_DebtInstrumentAxis=cyh_CreditFacilityTermLoanHMember
Namespace Prefix:
Data Type:	na
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Name:	us-gaap_DebtInstrumentAxis=cyh_CreditFacilityTermLoanGAndTermLoanHMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_VariableRateAxis=cyh_FederalFundsEffectiveRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: