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Commitments and Contingencies - Additional Information (Detail) £ in Millions | 3 Months Ended | 12 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2013 USD ($) | Dec. 31, 2023 USD ($) Facility | Dec. 31, 2023 GBP (£) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($) | Dec. 31, 2012 USD ($) | Dec. 31, 2023 GBP (£) Facility | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($) | Dec. 31, 2016 USD ($)
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Self-insured for professional and general liability |  | $ 561,789,000 |  | $ 496,416,000 | $ 463,678,000 | $ 368,964,000 |  |  |  |  |  |  |  |
Purchased several excess policies through commercial insurance carriers per occurrence excess claim amount |  | 20,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Self-insured for professional and general liability, current |  | 70,000,000 |  | 74,000,000 |  |  |  |  |  |  |  |  |  |
Compensation liability claims |  | 130,000,000 |  | 125,000,000 |  |  |  |  |  |  |  |  |  |
Compensation and related benefits |  | 55,000,000 |  | 55,000,000 |  |  |  |  |  |  |  |  |  |
Maximum insurance deductible |  | 5,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Impact of information technology incident on revenue |  |  |  | 13,000,000 | 45,000,000 |  |  |  |  |  |  |  |  |
Proceeds from commercial cyber insurance |  |  |  | 41,000,000 | 41,000,000 |  |  |  |  |  |  |  |  |
Revenues reserved |  |  |  |  |  | 17,000,000 |  |  |  |  |  |  |  |
Combined estimated future purchase obligations |  | 327,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Defined benefit pension plan estimated payments through 2089 |  | 139,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Other retirement plan liabilities |  | 26,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Pre-tax decrease to reserves for self-insured workers' compensation liability claims |  | $ 10,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Behavioral health care facilities with outside owners holding non-controlling minority interest | Facility |  | 7 |  |  |  |  |  |  |  | 7 |  |  |  |
Behavioral health care facilities share of construction costs scheduled to be completed in 2025 | Facility |  | 2 |  |  |  |  |  |  |  | 2 |  |  |  |
Self insurance reserve amount exhausted |  | $ 20,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Purchased several excess policies through commercial insurance amount exhausted |  | 20,000,000 |  |  |  |  |  |  |  |  |  |  |  |
District Facilities |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Projected aggregate development and construction cost |  | 439,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Development and construction cost incurred |  | $ 210,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Lease initial terms |  | 75 years |  |  |  |  |  |  |  | 75 years |  |  |  |
Committment to expend |  | $ 5,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Projected commitment expend period |  | 12 years | 12 years |  |  |  |  |  |  |  |  |  |  |
Department of Human Services |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repayment of legal settlement amount on demand |  |  |  |  |  |  | $ 4,000,000 |  |  |  |  |  |  |
Amount claimed from over payments of legal settlements |  | $ 7,000,000 |  |  |  |  | 7,000,000 | $ 8,000,000 | $ 4,000,000 |  |  |  |  |
Amount claimed from over payments of legal settlements due to change in calculations | $ 2,000,000 |  |  |  |  |  | $ 3,000,000 | 2,000,000 |  |  |  |  |  |
Construction Commitment |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Combined estimated future purchase obligations |  | 99,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Revenue Cycle Data Processing Services |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Combined estimated future purchase obligations |  | 65,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Electronic Health Records And Revenue Cycle Application |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Combined estimated future purchase obligations |  | 188,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Other Software Applications |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Combined estimated future purchase obligations |  | 4,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Related to Certain Equipment |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Combined estimated future purchase obligations |  | 165,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Commercial Health Insurer and Self-insured Employee Benefit Plans |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Combined estimated future purchase obligations |  | 110,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Healthcare Infrastructure |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Combined estimated future purchase obligations |  | 70,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Wind Storms |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial property insurance policies covering catastrophic losses |  | 250,000,000 |  |  |  |  |  |  |  |  |  |  |  |
All Other Events |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum insurance deductible |  | 5,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Earthquake Wind Hail and Flood |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum insurance deductible |  | 5,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Cygnet Health Care Limited |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property insurance | £ |  |  | £ 1,500 |  |  |  |  |  |  |  |  |  |  |
Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Self-insured for professional and general liability |  | 20,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Purchased several excess policies through commercial insurance carriers per occurrence |  | 25,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Commercial property insurance policies covering catastrophic losses |  | $ 1,000,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Lease initial terms |  | 10 years |  |  |  |  |  |  |  | 10 years |  |  |  |
Maximum | Wind Storms |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of insurance deductible |  | 5.00% |  |  |  |  |  |  |  | 5.00% |  |  |  |
Maximum | Earthquake | CALIFORNIA |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial property insurance policies covering catastrophic losses |  | $ 100,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Maximum | Earthquake | OTHER STATES |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial property insurance policies covering catastrophic losses |  | 250,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Maximum | Earthquake | Faulty Zones of UNITED STATES |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial property insurance policies covering catastrophic losses |  | 100,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Maximum | Earthquake | PUERTO RICO |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial property insurance policies covering catastrophic losses |  | 40,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Maximum | Flood |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial property insurance policies covering catastrophic losses |  | 100,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Maximum | Flood | Texas |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial property insurance policies covering catastrophic losses |  | 10,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Maximum | Flood | PUERTO RICO |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial property insurance policies covering catastrophic losses |  | 1,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss on business interruption insurance recovery |  | $ 25,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Lease initial terms |  | 5 years |  |  |  |  |  |  |  | 5 years |  |  |  |
Minimum | District Facilities |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Committment to expend |  | $ 75,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Minimum | Wind Storms |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of insurance deductible |  | 3.00% |  |  |  |  |  |  |  | 3.00% |  |  |  |
General And Professional Liability Insurance Policies |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Self-insured for professional and general liability |  | $ 25,000,000 |  | 16,000,000 | 52,000,000 |  |  |  |  |  |  |  |  |
General and Professional Liability |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Self-insured for professional and general liability |  | 431,485,000 |  | 371,900,000 | 348,693,000 | 263,779,000 |  |  |  |  |  |  |  |
Subsidiaries | Professional Liability | Cygnet Health Care Limited |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Self-insured for professional and general liability | £ |  |  |  |  |  |  |  |  |  | £ 16 |  |  |  |
Subsidiaries | Professional Liability | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Self-insured for professional and general liability |  | 20,000,000 |  | 20,000,000 | 20,000,000 | 10,000,000 |  |  |  |  | $ 5,000,000 | $ 5,000,000 | $ 5,000,000 | $ 10,000,000
Subsidiaries | General Liability | Cygnet Health Care Limited |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Self-insured for professional and general liability | £ |  |  |  |  |  |  |  |  |  | £ 25 |  |  |  |
Subsidiaries | General Liability | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Self-insured for professional and general liability |  | 3,000,000 |  | 3,000,000 | 3,000,000 | $ 3,000,000 |  |  |  |  | $ 3,000,000 | $ 3,000,000 | $ 3,000,000 | $ 3,000,000
Subsidiaries | General And Professional Liability Insurance Policies | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchased several excess policies through commercial insurance carriers per occurrence |  | $ 165,000,000 |  | $ 162,000,000 | $ 155,000,000 |  |  | $ 250,000,000 |  |  |  |  |  |

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