Accounting for impairment or disposal of long lived assets.

No definition available.

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Namespace Prefix:	cyh_
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Period Type:	duration

- Definition

Amounts due from third party payors.

+ References

No definition available.

+ Details

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

- Definition

Amounts due to third party payors.

+ References

No definition available.

+ Details

Name:	cyh_AmountsDueToThirdPartyPayors
Namespace Prefix:	cyh_
Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- Definition

The corporate office costs which are a subset of the expenses not otherwise specified in the taxonomy for managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the providing of patient care.

+ References

No definition available.

+ Details

Name:	cyh_CorporateOfficeCosts
Namespace Prefix:	cyh_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Impairment of amount related to several assets idled disposed or held for sale.

+ References

No definition available.

+ Details

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Namespace Prefix:	cyh_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Net Operating Revenues [Abstract]

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Third-Party Reimbursement [Abstract]

+ References

No definition available.

+ Details

Name:	cyh_ThirdPartyReimbursementAbstract
Namespace Prefix:	cyh_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of charity care provided during the period based on the provider's direct and indirect costs of providing charity care services.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 954
-SubTopic 605
-Section 50
-Paragraph 3
-URI https://asc.fasb.org/extlink&oid=126943290&loc=d3e8255-115641

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of charity care provided during the period on a basis other than the provider's direct and indirect costs of providing charity care services.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- References

No definition available.

+ Details

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

- Definition

Amount of gain (loss) from the difference between the sale price or salvage price and the book value of an asset that was sold or retired, and gain (loss) from the write down of assets from their carrying value to fair value.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=109226691&loc=d3e2921-110230

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 4
-URI https://asc.fasb.org/extlink&oid=126905981&loc=d3e2420-110228

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_ImpairedLongLivedAssetsHeldAndUsedByTypeAxis=cyh_HospitalsSoldOrDeemedHeldForSaleMember
Namespace Prefix:
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Basis of Presentation and Significant Accounting Policies - Additional Information (Details) - USD ($) $ in Millions		3 Months Ended
	Jan. 01, 2023	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Cost of Revenue, Policy [Abstract]
Corporate office costs		$ 61	$ 63
Third Party Reimbursement [Abstract]
Amounts due to third party payors		120		$ 101
Amounts due from third party payors		103		$ 97
Net Operating Revenues, Policy [Abstract]
Charity care services charges excluded from net operating revenues		326	363
Value of charity care services at the Company's standard charges included in contractual allowances		38	41
Hospitals Sold or Deemed Held for Sale
Accounting for the Impairment or Disposal of Long-Lived Assets
Gain (loss) on disposition of business	$ 25	22
Impairment of amount related to several assets idled disposed or held for sale		$ 3
Impairment of long-lived assets held for sale			$ 6