XML 26 R20.htm IDEA: XBRL DOCUMENT ﻿
v2.3.0.11

Fair Value Measurements (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2011
Fair Value Measurements |
Assets and liabilities measured at fair value on a recurring basis |
|  |  |  | Fair value measurements at reporting date using
Description |  | June 30, 2011 |  | Quoted prices in active markets for identical assets (Level 1) |  | Significant other observable inputs (Level 2) |  | Significant unobservable inputs (Level 3)
|  | (Thousands)
Assets |  |  |  |  |  |  |  |
Derivative instruments, at fair value |  | $ | 211,986 |  |  | $ | 2,698 |  |  | $ | 107,316 |  |  | $ | 101,972
Total assets |  | $ | 211,986 |  |  | $ | 2,698 |  |  | $ | 107,316 |  |  | $ | 101,972
Liabilities |  |  |  |  |  |  |  |  |  |  |
Derivative instruments, at fair value |  | $ | 97,531 |  |  | $ | 3,339 |  |  | $ | 94,192 |  |  | $ | –
Total liabilities |  | $ | 97,531 |  |  | $ | 3,339 |  |  | $ | 94,192 |  |  | $ | –
Fair value measurements using significant unobservable inputs (Level 3) |
|  | Fair value measurements using significant unobservable inputs (Level 3) |
|  | Derivative instruments, at fair value, net |
|  | (Thousands) |
Balance at January 1, 2011 |  | $ | 116,672 |  |
Total gains or losses: |  |  |  |
Included in earnings |  | 14 |  |
Included in other comprehensive income |  | 11,020 |  |
Settlements |  | (25,734) |  |
Transfers in and/or out of Level 3 |  | – |  |
Balance at June 30, 2011 |  | $ | 101,972 |  |
The amount of total gains or losses for the period included in earnings attributable to the change in unrealized gains or losses relating to assets and liabilities still held as of June 30, 2011 |  | $ | – |  |

X
- Definition This element represents the fair value measurement of assets and liabilities using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issuances, and settlements (net); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs). + Details
Name: | eqt_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock
Namespace Prefix: | eqt
Data Type: | us-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | eqt_FairValueDisclosuresAbstract
Namespace Prefix: | eqt
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition This element represents the disclosure related to assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + Details
Name: | eqt_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock
Namespace Prefix: | eqt
Data Type: | us-types:textBlockItemType
Balance Type: | na
Period Type: | duration