XML 29 R24.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Financial Statements (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2011 | Feb. 13, 2012
Financial Statements |  |
Ownership percentage of partnership |  | 100.00%
Percentage of Midstream segment's assets | 29.00% |

X
- Definition Represents the percentage of ownership interest in entity's subsidiary contributed to new entity. + References No definition available. + Details
Name: | eqt_BusinessAcquisitionPercentageOfEquityInterestInSubsidiaryContributed
Namespace Prefix: | eqt_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the percentage of a segment's assets held by a consolidated subsidiary of the entity. + References No definition available. + Details
Name: | eqt_PercentageOfSegmentAssets
Namespace Prefix: | eqt_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration