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Subsequent Events - Additional Information (Details) - Subsequent Event $ in Millions | Apr. 01, 2023 USD ($) Bed | Apr. 03, 2023 Bed
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Plateau Medical Center |  |
Subsequent Event [Line Items] |  |
Number of licensed beds | Bed | 25 | 166
Medical Center of South Arkansas |  |
Subsequent Event [Line Items] |  |
Proceeds from sale of afiliates assets | $ | $ 92 |

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- Definition Number of licensed beds + References No definition available. + Details
Name: | cyh_NumberOfLicensedBeds
Namespace Prefix: | cyh_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Definition Proceeds from sale of affiliates assets. + References No definition available. + Details
Name: | cyh_ProceedsFromSaleOfAffiliatesAssets
Namespace Prefix: | cyh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=cyh_PlateauMedicalCenterMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=cyh_MedicalCenterOfSouthArkansasMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |