Name:	cyh_DebtInstrumentEarliestRedemptionDate
Namespace Prefix:	cyh_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

The rate used to calculate the amount of debt premium that was originally recognized at the issuance of the debt instrument.

No definition available.

Name:	cyh_DebtInstrumentPremiumPercentage
Namespace Prefix:	cyh_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Disclosure of the percentage of principal amount on the redemption date plus accrued and unpaid interest, for the extinguishment of long-term borrowing, with the highest claim on the assets of the entity in case of bankruptcy or liquidation, before its maturity.

No definition available.

Name:	cyh_FutureRedemptionPriceOfDebtDuringEligibilityPeriodAsPercentageOfPrincipalAmount
Namespace Prefix:	cyh_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Maximum number of days notice needed to redeem the senior notes at the redemption price plus accrued and unpaid interest.

No definition available.

Name:	cyh_MaximumPeriodNoticeForRedemptionOfDebt
Namespace Prefix:	cyh_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer using the proceeds of a public equity offering during a certain durational period.

No definition available.

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

Minimum number of days notice needed to redeem the senior notes at the redemption price plus accrued and unpaid interest.

No definition available.

Name:	cyh_MinimumPeriodNoticeForRedemptionOfDebt
Namespace Prefix:	cyh_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Incremental periods for which the redemption price, expressed as a percentage of principal amount on the redemption date plus accrued and unpaid interest, are stated for the extinguishment of long-term borrowing, with the highest claim on the assets of the entity in case of bankruptcy or liquidation, before its maturity.

No definition available.

Name:	cyh_PeriodSubjectToRedemptionPriceCommencingOnScheduledDate
Namespace Prefix:	cyh_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 21

-Paragraph 16, 20

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Interest rate stated in the contractual debt agreement.

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

- Details

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

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(2))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 2, 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Name:	us-gaap_DebtInstrumentMaturityDate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

Date the debt instrument was offered for sale, in CCYY-MM-DD format.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Name:	us-gaap_DebtInstrumentOfferingDate1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

Gross amount of debt extinguished.

No definition available.