Document And Entity Information
6 Months Ended
Jun. 30, 2011
Document And Entity Information  
Document Type 10-Q
Amendment Flag false
Document Period End Date Jun. 30, 2011
Document Fiscal Year Focus 2011
Document Fiscal Period Focus Q2
Entity Registrant Name QEP RESOURCES, INC.
Entity Central Index Key 0001108827
Current Fiscal Year End Date --12-31
Entity Filer Category Non-accelerated Filer
Entity Common Stock, Shares Outstanding 176,905,034