v2.4.0.6
DOCUMENT AND ENTITY INFORMATION
9 Months Ended
Sep. 30, 2010
Oct. 31, 2010
Common Class A [Member]
Oct. 31, 2010
Common Class B [Member]
Oct. 31, 2010
Common Class C [Member]
Oct. 31, 2010
Common Class D [Member]
Document Type 10-Q        
Amendment Flag false        
Document Fiscal Period Focus Q3        
Document Period End Date Sep. 30, 2010        
Document Fiscal Year Focus 2010        
Entity Registrant Name UNIVERSAL HEALTH SERVICES INC        
Entity Central Index Key 0000352915        
Current Fiscal Year End Date --12-31        
Entity Filer Category Large Accelerated Filer        
Entity Common Stock, Shares Outstanding   6,656,808 89,909,002 665,400 35,218