XML 49 R37.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Business and Summary of Significant Accounting Policies - Charity Care, Uninsured Discounts and Other Adjustments to Revenue - Additional Information (Detail) | 12 Months Ended
--- | ---
Dec. 31, 2023
Minimum |
Summary Of Business And Significant Accounting Policies [Line Items] |
Patients treated at hospitals for non elective services gross income federal poverty guidelines | 200.00%
Maximum |
Summary Of Business And Significant Accounting Policies [Line Items] |
Patients treated at hospitals for non elective services gross income federal poverty guidelines | 400.00%

X
- Definition Patients treated at hospitals for nonelective care income specified percentage of federal poverty level eligible for charity care. + References No definition available. + Details
Name: | uhs_PatientsTreatedAtHospitalsForNonelectiveCareIncomeSpecifiedPercentageOfFederalPovertyLevelEligibleForCharityCare
Namespace Prefix: | uhs_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Summary of business and significant accounting policies. + References No definition available. + Details
Name: | uhs_SummaryOfBusinessAndSignificantAccountingPoliciesLineItems
Namespace Prefix: | uhs_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |