XML 26 R29.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Accumulated Other Comprehensive Income / (Loss) (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2014
Accumulated Other Comprehensive Income / (Loss) |
Changes in accumulated other comprehensive income / (loss) by component, net of tax |
(In thousands) |  | Net Gains / (Losses) on Cash Flow Hedges |  | Postretirement Benefits |  | Total |
Balance at December 31, 2013 |  | $ | (6,551 | ) | $ | (1,810 | ) | $ | (8,361 | )
Other comprehensive income before reclassifications |  | (80,175 | ) | — |  | (80,175 | )
Amounts reclassified from accumulated other comprehensive income |  | 42,565 |  | — |  | 42,565 |
Net current-period other comprehensive income |  | (37,610 | ) | — |  | (37,610 | )
Balance at March 31, 2014 |  | $ | (44,161 | ) | $ | (1,810 | ) | $ | (45,971 | )
Schedule of amount reclassified from accumulated other comprehensive income / (loss) into the Condensed Consolidated Statement of Operations |
|  | Three Months Ended |  |  |
|  | March 31, |  | Affected Line Item in the Condensed |
(In thousands) |  | 2014 |  | 2013 |  | Consolidated Statement of Operations |
Net gains / (losses) on cash flow hedges |  |  |  |  |  |  |
Commodity contracts |  | $ | (70,557 | ) | 13,328 |  | Natural gas revenues |
Commodity contracts |  | (218 | ) | 2,042 |  | Crude oil and condensate revenues |
Postretirement benefits |  |  |  |  |  |  |
Amortization of net loss |  | — |  | (205 | ) | General and administrative expense |
|  | (70,775 | ) | 15,165 |  | Total before tax |
|  | 28,210 |  | (5,965 | ) | Tax (expense) / benefit |
Total reclassifications for the period |  | $ | (42,565 | ) | 9,200 |  | Net of tax |

X
- Definition Tabular disclosure of changes in accumulated other comprehensive income by component, net of tax. + References No definition available. + Details
Name: | cog_ScheduleOfAccumulatedOtherComprehensiveIncomeLossByComponentsTableTextBlock
Namespace Prefix: | cog_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Tabular disclosure of information about items reclassified out of accumulated other comprehensive income (loss). + References No definition available. + Details
Name: | us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration