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Segment and Geographic Information - Additional Information (Detail) | Dec. 31, 2023 Hospital
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Segment Reporting Information [Line Items] |
Number of owned and operated hospitals | 186
Reorganization Group [Member] | National Group [Member] |
Segment Reporting Information [Line Items] |
Number of owned and operated hospitals | 57
Reorganization Group [Member] | American Group [Member] |
Segment Reporting Information [Line Items] |
Number of owned and operated hospitals | 60
Reorganization Group [Member] | Atlantic Group [Member] |
Segment Reporting Information [Line Items] |
Number of owned and operated hospitals | 62
Reorganization Group [Member] | Corporate and Other [Member] |
Segment Reporting Information [Line Items] |
Number of owned and operated hospitals | 7

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- Definition Number of owned and operated hospitals. + References No definition available. + Details
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Namespace Prefix: | hca_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Definition 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. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
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- Details
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Namespace Prefix: |
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- Details
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Namespace Prefix: |
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Period Type: |

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- Details
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Namespace Prefix: |
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Period Type: |

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- Details
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Namespace Prefix: |
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Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |