2.4.0.82113100 - Disclosure - Subsequent Eventstruefalsefalse1false falsefalseD2013Q2YTDhttp://www.sec.gov/CIK0000751652duration2013-01-01T00:00:002013-06-30T00:00:001true 1us-gaap_SubsequentEventsAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Subsequent Events [Abstract]2false 2us-gaap_SubsequentEventsTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Note 13 - Subsequent Events</font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">Questar Gas</font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Utah General Rate Case</font><font style="font-family:inherit;font-size:10pt;"> - On July 1, 2013, Questar Gas filed a general rate case in Utah requesting an increase in revenues of </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">$19 million</font><font style="font-family:inherit;font-size:10pt;"> and a continuation of its </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">10.35%</font><font style="font-family:inherit;font-size:10pt;"> authorized return on equity. A decision on the case is expected in the </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">first quarter of 2014</font><font style="font-family:inherit;font-size:10pt;">, with any changes becoming effective in the same quarter.</font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Long-term Debt Commitment</font><font style="font-family:inherit;font-size:10pt;"> - Questar Gas has entered into a commitment to borrow </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">$150 million</font><font style="font-family:inherit;font-size:10pt;"> of long-term debt in the private placement market to be funded in </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">December 2013</font><font style="font-family:inherit;font-size:10pt;">. Questar Gas will issue </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">$90 million</font><font style="font-family:inherit;font-size:10pt;"> of </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">30</font><font style="font-family:inherit;font-size:10pt;">-year notes with an interest rate of </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">4.78%</font><font style="font-family:inherit;font-size:10pt;"> and </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">$60 million</font><font style="font-family:inherit;font-size:10pt;"> of </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">35</font><font style="font-family:inherit;font-size:10pt;">-year notes with an interest rate of </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">4.83%</font><font style="font-family:inherit;font-size:10pt;">. Proceeds from the debt issuance will be used to repay existing indebtedness and for general corporate purposes.</font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">Wexpro</font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Acquisition </font><font style="font-family:inherit;font-size:10pt;">- On July 29, 2013, Wexpro Company entered into a definitive agreement to acquire an additional interest in natural gas-producing properties for </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">$106.4 million</font><font style="font-family:inherit;font-size:10pt;">. Wexpro is increasing its working interest in existing Wexpro-operated wells in the Trail Unit of southwestern Wyoming's Vermillion Basin.</font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">Questar Pipeline</font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Strategic Review of Questar Southern Trails Pipeline</font><font style="font-family:inherit;font-size:10pt;"> - In July 2013, Questar Pipeline entered into an agreement with another pipeline company to evaluate and potentially convert the western portion of its Southern Trails Pipeline back to its original purpose as a crude oil transport pipeline and to develop a rail terminal to offload crude from railcars and into the pipeline for transportation to refineries in Long Beach, California. Questar Pipeline is also in discussions with parties to either purchase the eastern segment of Southern Trails Pipeline or to enter into a long-term transportation contract for the full capacity of the pipeline.</font></div></div>falsefalsefalsenonnum:textBlockItemTypenaThe entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.No definition available.false0Subsequent eventsfalseSubsequent EventsUnKnownUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.questar.com/role/SubsequentEvents12