v2.4.0.6
Document And Entity Information (USD $)
In Billions, except Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2012
Jun. 30, 2011
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 Large Accelerated Filer  
Entity Public Float   $ 7,399,937,572
Entity Common Stock, Shares Outstanding 178,386,261  
Document Fiscal Year Focus 2012  
Document Fiscal Period Focus Q1  
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Mar. 31, 2012