XML 50 R42.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Summary of Assets and Liabilities Recorded at Fair Value on Recurring Basis (Detail) - Recurring - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Assets: |  |
Assets, fair value | $ 208,562 | $ 206,412
Liabilities: |  |
Liabilities, fair value | 46,496 | 44,971
Money Market Mutual Funds | Other Noncurrent Assets |  |
Assets: |  |
Assets, fair value | 110,856 | 111,129
Certificates of Deposit | Other Noncurrent Assets |  |
Assets: |  |
Assets, fair value | 2,201 | 2,300
Equity Securities | Other Noncurrent Assets |  |
Assets: |  |
Assets, fair value | 49,342 | 49,923
Deferred Compensation Assets | Other Noncurrent Assets |  |
Assets: |  |
Assets, fair value | 46,163 | 43,060
Foreign Currency Foreign Exchange Contracts | Accrued Liabilities Other |  |
Liabilities: |  |
Liabilities, fair value | 333 | 1,911
Deferred Compensation Liability | Other Noncurrent Liabilities |  |
Liabilities: |  |
Liabilities, fair value | 46,163 | 43,060
Basis of Fair Value Measurement, Level 1 |  |
Assets: |  |
Assets, fair value | 206,361 | 204,112
Liabilities: |  |
Liabilities, fair value | 46,163 | 43,060
Basis of Fair Value Measurement, Level 1 | Money Market Mutual Funds | Other Noncurrent Assets |  |
Assets: |  |
Assets, fair value | 110,856 | 111,129
Basis of Fair Value Measurement, Level 1 | Equity Securities | Other Noncurrent Assets |  |
Assets: |  |
Assets, fair value | 49,342 | 49,923
Basis of Fair Value Measurement, Level 1 | Deferred Compensation Assets | Other Noncurrent Assets |  |
Assets: |  |
Assets, fair value | 46,163 | 43,060
Basis of Fair Value Measurement, Level 1 | Deferred Compensation Liability | Other Noncurrent Liabilities |  |
Liabilities: |  |
Liabilities, fair value | 46,163 | 43,060
Basis of Fair Value Measurement, Level 2 |  |
Assets: |  |
Assets, fair value | 2,201 | 2,300
Liabilities: |  |
Liabilities, fair value | 333 | 1,911
Basis of Fair Value Measurement, Level 2 | Certificates of Deposit | Other Noncurrent Assets |  |
Assets: |  |
Assets, fair value | 2,201 | 2,300
Basis of Fair Value Measurement, Level 2 | Foreign Currency Foreign Exchange Contracts | Accrued Liabilities Other |  |
Liabilities: |  |
Liabilities, fair value | $ 333 | $ 1,911

X
- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_AssetsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_AssetsFairValueDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value of financial and nonfinancial obligations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_LiabilitiesFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_LiabilitiesFairValueDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_MoneyMarketFundsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=us-gaap_OtherNoncurrentAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_CertificatesOfDepositMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_EquitySecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=uhs_DeferredCompensationAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_ForeignExchangeContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=uhs_AccruedLiabilitiesOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=uhs_DeferredCompensationLiabilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=us-gaap_OtherNoncurrentLiabilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |