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Relationship with Universal Health Realty Income Trust and Other Related Party Transactions - Additional Information 4 (Detail) - USD ($) | 3 Months Ended | 12 Months Ended | 24 Months Ended
--- | --- | --- | ---
Dec. 31, 2013 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2023
Chief Executive Officer |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Estimated payments to acquire life insurance policies |  | $ 28,000,000 |  |  |
Payments to acquire life insurance policies, net |  | 1,000,000 | $ 1,000,000 | $ 1,000,000 |
Trust Owned by CEO | Chief Executive Officer |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Estimated payments to acquire life insurance policies |  | 9,000,000 |  |  |
Minimum | Chief Executive Officer |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Estimated death benefit proceeds |  | 37,000,000 |  |  |
Premier, Inc. | Group Purchasing Organization Agreement | Restricted Stock |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Shares vesting period | 7 years |  |  |  |
Shares vesting period start year | 2014 |  |  |  |
Shares vesting period end year | 2020 |  |  |  |
Market value of retained vested shares |  | 50,000,000 | 78,000,000 |  |
Other (Income) Expense, Net | Premier, Inc. |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Unrealized gain (loss) |  |  | (14,000,000) | (14,000,000) | $ (28,000,000)
Dividend |  | $ 1,900,000 | $ 1,800,000 | $ 1,700,000 |

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