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v2.4.1.9

Property, Plant and Equipment PROPERTY PLANT AND EQUIPMENT (Details) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2014 | Dec. 31, 2013
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Proved Oil and Gas Property, Successful Effort Method | $ 1,768,007 us-gaap_ProvedOilAndGasPropertySuccessfulEffortMethod | $ 1,670,404 us-gaap_ProvedOilAndGasPropertySuccessfulEffortMethod
Drilling Cost | 2,798,394 cnx_DrillingCost | 1,937,336 cnx_DrillingCost
Coal and other plant and equipment | 3,726,514 cnx_CoalAndOtherPlantAndEquipment | 3,681,051 cnx_CoalAndOtherPlantAndEquipment
Coal Properties And Surface Lands | 1,358,306 cnx_CoalPropertiesAndSurfaceLands | 1,404,056 cnx_CoalPropertiesAndSurfaceLands
Unproved Oil and Gas Property, Successful Effort Method | 1,540,835 us-gaap_UnprovedOilAndGasPropertySuccessfulEffortMethod | 1,463,406 us-gaap_UnprovedOilAndGasPropertySuccessfulEffortMethod
Gas Gathering Systems Net | 1,088,238 cnx_GasGatheringSystemsNet | 1,058,008 cnx_GasGatheringSystemsNet
Airshafts | 468,924 cnx_Airshafts | 397,466 cnx_Airshafts
Property Subject to or Available for Operating Lease, Gross | 263,946 us-gaap_PropertySubjectToOrAvailableForOperatingLeaseGross | 393,372 us-gaap_PropertySubjectToOrAvailableForOperatingLeaseGross
Gas wells and related equipment | 716,748 cnx_GasWellsAndRelatedEquipment | 688,548 cnx_GasWellsAndRelatedEquipment
Mine development | 414,501 cnx_MineDevelopment | 354,607 cnx_MineDevelopment
Prepaid Royalties | 386,245 us-gaap_PrepaidRoyalties | 381,348 us-gaap_PrepaidRoyalties
Other gas assets | 123,539 cnx_OtherGasAssets | 126,239 cnx_OtherGasAssets
Advances for Gas Exploration, Development and Production Amount | 20,580 us-gaap_AdvancesForGasExplorationDevelopmentAndProductionAmount | 22,668 us-gaap_AdvancesForGasExplorationDevelopmentAndProductionAmount
Property, Plant and Equipment, Gross | 14,674,777 us-gaap_PropertyPlantAndEquipmentGross | 13,578,509 us-gaap_PropertyPlantAndEquipmentGross
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment | 4,512,305 us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment | 4,136,247 us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
Total Property, Plant and Equipment-Net | 10,162,472 us-gaap_PropertyPlantAndEquipmentNet | 9,442,262 us-gaap_PropertyPlantAndEquipmentNet
Property, Plant and Equipment, Other, Net |  | $ 9,442,262 us-gaap_PropertyPlantAndEquipmentOtherNet

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- Definition Airshafts + References No definition available. + Details
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- Definition Coal And Other Plant And Equipment + References No definition available. + Details
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- Definition Coal Properties And Surface Lands + References No definition available. + Details
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- Definition Drilling Cost + References No definition available. + Details
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- Definition Gas Gathering Systems, Net + References No definition available. + Details
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- Definition Gas Wells and Related Equipment + References No definition available. + Details
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- Definition Mine Development + References No definition available. + Details
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- Definition Other Gas Assets + References No definition available. + Details
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- Definition Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.14) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 14 -Article 5 + Details
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- Definition Discloses the period end balance sheet amount of advances for gas exploration, development and production. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 835 -Section 25 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6475453&loc=d3e70057-109498 + Details
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- Definition Amount of asset related to consideration paid in advance for royalties that provide economic benefits within a future period of one year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Current Assets -URI http://asc.fasb.org/extlink&oid=6509628 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6787-107765 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 10 -Section 05 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6386993&loc=d3e5865-108316 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 10 -Section 05 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6386993&loc=d3e5879-108316 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (g)(5) -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765 + Details
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- Definition Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 13 -Subparagraph a -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 8 -Article 7 + Details
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- Definition Amount before accumulated depreciation of physical assets used in the normal conduct of business to produce goods and services subject to or available for lease. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6453916&loc=d3e41457-112716 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6454179&loc=d3e41551-112718 + Details
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- Definition Oil and Gas properties with proved reserves under the successful effort method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 360 -Glossary Proved Properties -URI http://asc.fasb.org/extlink&oid=6522428 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 360 -Section 25 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6474861&loc=d3e64746-109465 + Details
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- Definition Oil and Gas properties with unproved reserves under the successful effort method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e61926-109447 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -Glossary Unproved Properties -URI http://asc.fasb.org/extlink&oid=6527831 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 360 -Section 25 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6474861&loc=d3e64746-109465 + Details
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