v2.4.0.6
Document And Entity Information (USD $)
9 Months Ended
Sep. 30, 2011
Jun. 30, 2010
Entity Registrant Name QEP RESOURCES, INC.  
Entity Central Index Key 0001108827  
Current Fiscal Year End Date --12-31  
Entity Well-known Seasoned Issuer Yes  
Entity Voluntary Filers No  
Entity Current Reporting Status Yes  
Entity Filer Category Non-accelerated Filer  
Entity Public Float   $ 0
Entity Common Stock, Shares Outstanding 176,952,496  
Document Fiscal Year Focus 2011  
Document Fiscal Period Focus Q3  
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Sep. 30, 2011