Schedule of Disaggregates Revenue by Major Source (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Disaggregation Of Revenue [Line Items]
Net revenues	$ 17,364,829	$ 15,827,935	$ 14,281,976
Percentage of Net Revenue	100.00%	100.00%	100.00%
Medicare
Disaggregation Of Revenue [Line Items]
Net revenues	$ 1,856,404	$ 1,669,125	$ 1,607,405
Percentage of Net Revenue	11.00%	11.00%	11.00%
Managed Medicare
Disaggregation Of Revenue [Line Items]
Net revenues	$ 2,080,278	$ 1,883,905	$ 1,714,055
Percentage of Net Revenue	12.00%	12.00%	12.00%
Medicaid
Disaggregation Of Revenue [Line Items]
Net revenues	$ 2,686,967	$ 2,252,030	$ 1,532,904
Percentage of Net Revenue	15.00%	14.00%	11.00%
Managed Medicaid
Disaggregation Of Revenue [Line Items]
Net revenues	$ 2,482,601	$ 2,303,938	$ 2,290,661
Percentage of Net Revenue	14.00%	15.00%	16.00%
Managed Care (HMO and PPOs)
Disaggregation Of Revenue [Line Items]
Net revenues	$ 4,902,096	$ 4,496,402	$ 4,211,194
Percentage of Net Revenue	28.00%	28.00%	29.00%
UK Revenue
Disaggregation Of Revenue [Line Items]
Net revenues	$ 1,001,356	$ 880,148	$ 761,124
Percentage of Net Revenue	6.00%	6.00%	5.00%
Other Patient Revenue and Adjustments, Net
Disaggregation Of Revenue [Line Items]
Net revenues	$ 1,240,278	$ 1,112,808	$ 981,203
Percentage of Net Revenue	7.00%	7.00%	7.00%
Other Non-patient Revenue
Disaggregation Of Revenue [Line Items]
Net revenues	$ 1,114,849	$ 1,229,579	$ 1,183,430
Percentage of Net Revenue	6.00%	8.00%	8.00%
Acute Care Hospital Services
Disaggregation Of Revenue [Line Items]
Net revenues	$ 9,925,907	$ 8,944,288	$ 8,081,402
Percentage of Net Revenue	100.00%	100.00%	100.00%
Acute Care Hospital Services \| Medicare
Disaggregation Of Revenue [Line Items]
Net revenues	$ 1,538,151	$ 1,363,090	$ 1,297,084
Percentage of Net Revenue	15.00%	15.00%	16.00%
Acute Care Hospital Services \| Managed Medicare
Disaggregation Of Revenue [Line Items]
Net revenues	$ 1,658,864	$ 1,480,707	$ 1,368,284
Percentage of Net Revenue	17.00%	17.00%	17.00%
Acute Care Hospital Services \| Medicaid
Disaggregation Of Revenue [Line Items]
Net revenues	$ 1,337,579	$ 1,113,070	$ 638,986
Percentage of Net Revenue	13.00%	12.00%	8.00%
Acute Care Hospital Services \| Managed Medicaid
Disaggregation Of Revenue [Line Items]
Net revenues	$ 685,083	$ 626,352	$ 716,380
Percentage of Net Revenue	7.00%	7.00%	9.00%
Acute Care Hospital Services \| Managed Care (HMO and PPOs)
Disaggregation Of Revenue [Line Items]
Net revenues	$ 3,257,367	$ 2,865,515	$ 2,658,890
Percentage of Net Revenue	33.00%	32.00%	33.00%
Acute Care Hospital Services \| UK Revenue
Disaggregation Of Revenue [Line Items]
Net revenues	$ 0	$ 0	$ 0
Percentage of Net Revenue	0.00%	0.00%	0.00%
Acute Care Hospital Services \| Other Patient Revenue and Adjustments, Net
Disaggregation Of Revenue [Line Items]
Net revenues	$ 584,535	$ 499,420	$ 452,781
Percentage of Net Revenue	6.00%	6.00%	6.00%
Acute Care Hospital Services \| Other Non-patient Revenue
Disaggregation Of Revenue [Line Items]
Net revenues	$ 864,328	$ 996,134	$ 948,997
Percentage of Net Revenue	9.00%	11.00%	12.00%
Behavioral Health Services
Disaggregation Of Revenue [Line Items]
Net revenues	$ 7,425,500	$ 6,873,090	$ 6,190,921
Percentage of Net Revenue	100.00%	100.00%	100.00%
Behavioral Health Services \| Medicare
Disaggregation Of Revenue [Line Items]
Net revenues	$ 318,253	$ 306,035	$ 310,321
Percentage of Net Revenue	4.00%	4.00%	5.00%
Behavioral Health Services \| Managed Medicare
Disaggregation Of Revenue [Line Items]
Net revenues	$ 421,414	$ 403,198	$ 345,771
Percentage of Net Revenue	6.00%	6.00%	6.00%
Behavioral Health Services \| Medicaid
Disaggregation Of Revenue [Line Items]
Net revenues	$ 1,349,388	$ 1,138,960	$ 893,918
Percentage of Net Revenue	18.00%	17.00%	14.00%
Behavioral Health Services \| Managed Medicaid
Disaggregation Of Revenue [Line Items]
Net revenues	$ 1,797,518	$ 1,677,586	$ 1,574,281
Percentage of Net Revenue	24.00%	24.00%	25.00%
Behavioral Health Services \| Managed Care (HMO and PPOs)
Disaggregation Of Revenue [Line Items]
Net revenues	$ 1,644,729	$ 1,630,887	$ 1,552,304
Percentage of Net Revenue	22.00%	24.00%	25.00%
Behavioral Health Services \| UK Revenue
Disaggregation Of Revenue [Line Items]
Net revenues	$ 1,001,356	$ 880,148	$ 761,124
Percentage of Net Revenue	13.00%	13.00%	12.00%
Behavioral Health Services \| Other Patient Revenue and Adjustments, Net
Disaggregation Of Revenue [Line Items]
Net revenues	$ 655,743	$ 613,388	$ 528,422
Percentage of Net Revenue	9.00%	9.00%	9.00%
Behavioral Health Services \| Other Non-patient Revenue
Disaggregation Of Revenue [Line Items]
Net revenues	$ 237,099	$ 222,888	$ 224,780
Percentage of Net Revenue	3.00%	3.00%	4.00%
Other
Disaggregation Of Revenue [Line Items]
Net revenues	$ 13,422	$ 10,557	$ 9,653
Other \| Other Non-patient Revenue
Disaggregation Of Revenue [Line Items]
Net revenues	$ 13,422	$ 10,557	$ 9,653

UNIVERSAL HEALTH SERVICES INC 10-K