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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 |

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- 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
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- 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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