Subsequent Event	3 Months Ended
Mar. 31, 2014
Subsequent Event [Abstract]
Subsequent Events	Subsequent Events QEP Energy Divestitures In May 2014, QEP Energy entered into three separate purchase and sale agreements related to the disposition of certain of its non-core properties in the Midcontinent Region and other non-core assets in the Northern Region for an aggregate sales price of approximately $807.5 million, subject to customary purchase price adjustments. The aggregate net book value of the properties being sold is approximately $886.0 million as of the effective date of the sale, January 1, 2014. Any gain or loss on the sale recorded by the Company will be determined based upon the final purchase price, which is subject to customary purchase price adjustments. The Company expects to close these transactions in the second quarter of 2014 and will use proceeds to repay indebtedness under our revolving credit facility. QEP Field Services Divestiture In May 2014, QEP Field Services entered into a purchase and sale agreement to sell 40% of the membership interests in Green River Processing, LLC (Green River Processing) for approximately $230.0 million, subject to customary purchase price adjustments, to QEP Midstream. The transaction is expected to close in July 2014 and will be accounted for as a transaction between entities under common control with the difference between the carrying amount and the purchase price recorded to equity. Green River Processing is a wholly owned subsidiary of QEP Field Services and will own the Blacks Fork processing complex and the Emigrant Trail processing plant, both of which are located in southwest Wyoming. The combined processing capacity of Green River Processing is 890 MMcf per day, of which 560 MMcf per day is cryogenic capacity and 330 MMcf per day is Joule-Thomson processing capacity. In addition, there is 15,000 bbl per day of NGL fractionation capacity at the Blacks Fork processing complex.

Subsequent Events

QEP Energy Divestitures

In May 2014, QEP Energy entered into three separate purchase and sale agreements related to the disposition of certain of its non-core properties in the Midcontinent Region and other non-core assets in the Northern Region for an aggregate sales price of approximately $807.5 million, subject to customary purchase price adjustments. The aggregate net book value of the properties being sold is approximately $886.0 million as of the effective date of the sale, January 1, 2014. Any gain or loss on the sale recorded by the Company will be determined based upon the final purchase price, which is subject to customary purchase price adjustments. The Company expects to close these transactions in the second quarter of 2014 and will use proceeds to repay indebtedness under our revolving credit facility.

QEP Field Services Divestiture

In May 2014, QEP Field Services entered into a purchase and sale agreement to sell 40% of the membership interests in Green River Processing, LLC (Green River Processing) for approximately $230.0 million, subject to customary purchase price adjustments, to QEP Midstream. The transaction is expected to close in July 2014 and will be accounted for as a transaction between entities under common control with the difference between the carrying amount and the purchase price recorded to equity.

Green River Processing is a wholly owned subsidiary of QEP Field Services and will own the Blacks Fork processing complex and the Emigrant Trail processing plant, both of which are located in southwest Wyoming. The combined processing capacity of Green River Processing is 890 MMcf per day, of which 560 MMcf per day is cryogenic capacity and 330 MMcf per day is Joule-Thomson processing capacity. In addition, there is 15,000 bbl per day of NGL fractionation capacity at the Blacks Fork processing complex.