v2.4.0.8
Guarantor Subsidiaries Balance Sheet (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2013
Dec. 31, 2012
Jun. 30, 2012
Dec. 31, 2011
Current Assets:        
Cash and Cash Equivalents $ 71,938 $ 21,878 $ 200,207 $ 375,736
Accounts and Notes Receivable:        
Trade 347,367 428,328    
Notes Receivable, Related Parties, Current 350,977 318,387    
Other Receivables 151,269 131,131    
Accounts Receivable - Securitized 40,719 37,846    
Inventories 227,994 247,766    
Recoverable Income Taxes 1,930 0    
Deferred Income Taxes 143,004 148,104    
Restricted Cash and Cash Equivalents, Current 0 48,294    
Prepaid Expenses 137,643 157,360    
Total Current Assets 1,472,841 1,539,094    
Property, Plant and Equipment:        
Property, Plant and Equipment 16,194,251 15,545,204    
Less-Accumulated Depreciation, Depletion and Amortization 5,770,506 5,354,237    
Total Property, Plant and Equipment-Net 10,423,745 10,190,967    
Other Assets:        
Deferred Income Taxes 388,703 444,585    
Restricted Cash and Cash Equivalents, Noncurrent 0 20,379    
Investments in Unconsolidated Equity Affiliates 256,097 222,830    
Notes, Loans and Financing Receivable, Net 1,512 25,977    
Other 210,030 227,077    
Total Other Assets 856,342 940,848    
Total Assets 12,752,928 12,670,909 12,597,896  
Current Liabilities:        
Accounts Payable 461,415 507,982    
Accounts Payable (Recoverable)- Related Parties 0 0    
Short-Term Notes Payable   25,073    
Current Portion Long-Term Debt 13,422 13,485    
Short-Term Notes Payable 173,000 25,073    
Secured Debt, Current 40,719 37,846    
Accrued Income Taxes, Current 0 34,219    
Other Accrued Liabilities 798,645 768,494    
Total Current Liabilities 1,487,201 1,387,099    
Long-Term Debt: 3,171,750 3,174,586    
Deferred Credits and Other Liabilities        
Postretirement Benefits Other Than Pensions 2,820,186 2,832,401    
Pneumoconiosis 177,146 174,781    
Mine Closing 459,392 446,727    
Gas Well Closing 193,946 148,928    
Workers' Compensation 155,518 155,648    
Salary Retirement 109,691 218,004    
Reclamation 50,051 47,965    
Other 102,987 131,025    
Total Deferred Credits and Other Liabilities 4,068,917 4,155,479    
Total CONSOL Energy Inc. Stockholders' Equity 4,025,651 3,953,792    
Noncontrolling Interest (591) (47)    
TOTAL LIABILITIES AND EQUITY 12,752,928 12,670,909    
Parent Issuer [Member]
       
Current Assets:        
Cash and Cash Equivalents 45,267 17,491    
Accounts and Notes Receivable:        
Trade 0 0    
Notes Receivable, Related Parties, Current 234 154    
Other Receivables 4,449 6,335    
Accounts Receivable - Securitized 0 0    
Inventories 0 0    
Recoverable Income Taxes 16,038      
Deferred Income Taxes 169,905 174,176    
Restricted Cash and Cash Equivalents, Current   0    
Prepaid Expenses 12,795 29,589    
Total Current Assets 248,688 227,745    
Property, Plant and Equipment:        
Property, Plant and Equipment 221,174 216,448    
Less-Accumulated Depreciation, Depletion and Amortization 134,785 126,048    
Total Property, Plant and Equipment-Net 86,389 90,400    
Other Assets:        
Deferred Income Taxes 820,406 884,310    
Restricted Cash and Cash Equivalents, Noncurrent   0    
Investments in Unconsolidated Equity Affiliates 10,128,714 9,917,050    
Notes, Loans and Financing Receivable, Net 184 239    
Other 112,660 118,938    
Total Other Assets 11,061,964 10,920,537    
Total Assets 11,397,041 11,238,682    
Current Liabilities:        
Accounts Payable 193,082 177,734    
Accounts Payable (Recoverable)- Related Parties 3,847,815 3,599,216    
Short-Term Notes Payable   25,073    
Current Portion Long-Term Debt 1,562 1,554    
Short-Term Notes Payable 0      
Secured Debt, Current 0 0    
Accrued Income Taxes, Current   20,488    
Other Accrued Liabilities 140,353 135,407    
Total Current Liabilities 4,182,812 3,959,472    
Long-Term Debt: 3,005,012 3,005,515    
Deferred Credits and Other Liabilities        
Postretirement Benefits Other Than Pensions 0 0    
Pneumoconiosis 0 0    
Mine Closing 0 0    
Gas Well Closing 0 0    
Workers' Compensation 0 0    
Salary Retirement 109,691 218,004    
Reclamation 0 0    
Other 73,875 101,899    
Total Deferred Credits and Other Liabilities 183,566 319,903    
Total CONSOL Energy Inc. Stockholders' Equity 4,025,651 3,953,792    
Noncontrolling Interest 0 0    
TOTAL LIABILITIES AND EQUITY 11,397,041 11,238,682    
CNX Gas Guarantor [Member]
       
Current Assets:        
Cash and Cash Equivalents 26,851 3,352    
Accounts and Notes Receivable:        
Trade 62,013 58,126    
Notes Receivable, Related Parties, Current 323,835 315,730    
Other Receivables 133,895 214,748    
Accounts Receivable - Securitized 0 0    
Inventories 14,619 14,133    
Recoverable Income Taxes (14,108)      
Deferred Income Taxes (26,901) (26,072)    
Restricted Cash and Cash Equivalents, Current   0    
Prepaid Expenses 86,893 86,186    
Total Current Assets 607,097 666,203    
Property, Plant and Equipment:        
Property, Plant and Equipment 6,368,437 5,956,207    
Less-Accumulated Depreciation, Depletion and Amortization 1,064,498 960,613    
Total Property, Plant and Equipment-Net 5,303,939 4,995,594    
Other Assets:        
Deferred Income Taxes (431,703) (439,725)    
Restricted Cash and Cash Equivalents, Noncurrent   0    
Investments in Unconsolidated Equity Affiliates 170,589 143,876    
Notes, Loans and Financing Receivable, Net 0 0    
Other 47,888 65,935    
Total Other Assets (213,226) (229,914)    
Total Assets 5,697,810 5,431,883    
Current Liabilities:        
Accounts Payable 208,852 166,182    
Accounts Payable (Recoverable)- Related Parties 65,771 23,981    
Short-Term Notes Payable   0    
Current Portion Long-Term Debt 5,972 5,953    
Short-Term Notes Payable 224,800      
Secured Debt, Current 0 0    
Accrued Income Taxes, Current   13,731    
Other Accrued Liabilities 64,908 57,074    
Total Current Liabilities 570,303 266,921    
Long-Term Debt: 43,897 46,081    
Deferred Credits and Other Liabilities        
Postretirement Benefits Other Than Pensions 0 0    
Pneumoconiosis 0 0    
Mine Closing 0 0    
Gas Well Closing 115,802 80,097    
Workers' Compensation 0 0    
Salary Retirement 0 0    
Reclamation 0 0    
Other 11,703 24,518    
Total Deferred Credits and Other Liabilities 127,505 104,615    
Total CONSOL Energy Inc. Stockholders' Equity 4,956,696 5,014,313    
Noncontrolling Interest (591) (47)    
TOTAL LIABILITIES AND EQUITY 5,697,810 5,431,883    
Other Guarantors Subsidiaries [Member]
       
Current Assets:        
Cash and Cash Equivalents 122 175    
Accounts and Notes Receivable:        
Trade 0 0    
Notes Receivable, Related Parties, Current 26,908 2,503    
Other Receivables 8,436 33,289    
Accounts Receivable - Securitized 0 0    
Inventories 176,899 198,269    
Recoverable Income Taxes 0      
Deferred Income Taxes 0 0    
Restricted Cash and Cash Equivalents, Current   48,294    
Prepaid Expenses 36,494 40,215    
Total Current Assets 248,859 322,745    
Property, Plant and Equipment:        
Property, Plant and Equipment 9,578,914 9,347,370    
Less-Accumulated Depreciation, Depletion and Amortization 4,552,589 4,249,507    
Total Property, Plant and Equipment-Net 5,026,325 5,097,863    
Other Assets:        
Deferred Income Taxes 0 0    
Restricted Cash and Cash Equivalents, Noncurrent   20,379    
Investments in Unconsolidated Equity Affiliates 764,618 769,058    
Notes, Loans and Financing Receivable, Net 1,328 25,738    
Other 39,568 32,016    
Total Other Assets 805,514 847,191    
Total Assets 6,080,698 6,267,799    
Current Liabilities:        
Accounts Payable 48,729 154,936    
Accounts Payable (Recoverable)- Related Parties (4,118,674) (3,749,584)    
Short-Term Notes Payable   0    
Current Portion Long-Term Debt 5,081 5,222    
Short-Term Notes Payable 0      
Secured Debt, Current 0 0    
Accrued Income Taxes, Current   0    
Other Accrued Liabilities 582,911 566,485    
Total Current Liabilities (3,481,953) (3,022,941)    
Long-Term Debt: 121,252 121,523    
Deferred Credits and Other Liabilities        
Postretirement Benefits Other Than Pensions 2,820,186 2,832,401    
Pneumoconiosis 177,146 174,781    
Mine Closing 459,392 446,727    
Gas Well Closing 78,144 68,831    
Workers' Compensation 155,199 155,342    
Salary Retirement 0 0    
Reclamation 50,051 47,965    
Other 17,409 4,608    
Total Deferred Credits and Other Liabilities 3,757,527 3,730,655    
Total CONSOL Energy Inc. Stockholders' Equity 5,683,872 5,438,562    
Noncontrolling Interest 0 0    
TOTAL LIABILITIES AND EQUITY 6,080,698 6,267,799    
Non-Guarantors [Member]
       
Current Assets:        
Cash and Cash Equivalents (302) 860    
Accounts and Notes Receivable:        
Trade 285,354 370,202    
Notes Receivable, Related Parties, Current 0 0    
Other Receivables 4,489 5,159    
Accounts Receivable - Securitized 40,719 37,846    
Inventories 36,476 35,364    
Recoverable Income Taxes 0      
Deferred Income Taxes 0 0    
Restricted Cash and Cash Equivalents, Current   0    
Prepaid Expenses 1,461 1,370    
Total Current Assets 368,197 450,801    
Property, Plant and Equipment:        
Property, Plant and Equipment 25,726 25,179    
Less-Accumulated Depreciation, Depletion and Amortization 18,634 18,069    
Total Property, Plant and Equipment-Net 7,092 7,110    
Other Assets:        
Deferred Income Taxes 0 0    
Restricted Cash and Cash Equivalents, Noncurrent   0    
Investments in Unconsolidated Equity Affiliates 0 0    
Notes, Loans and Financing Receivable, Net 0 0    
Other 9,914 10,188    
Total Other Assets 9,914 10,188    
Total Assets 385,203 468,099    
Current Liabilities:        
Accounts Payable 10,752 9,130    
Accounts Payable (Recoverable)- Related Parties 153,288 254,787    
Short-Term Notes Payable   0    
Current Portion Long-Term Debt 807 756    
Short-Term Notes Payable 0      
Secured Debt, Current 40,719 37,846    
Accrued Income Taxes, Current   0    
Other Accrued Liabilities 10,473 9,528    
Total Current Liabilities 216,039 312,047    
Long-Term Debt: 1,589 1,467    
Deferred Credits and Other Liabilities        
Postretirement Benefits Other Than Pensions 0 0    
Pneumoconiosis 0 0    
Mine Closing 0 0    
Gas Well Closing 0 0    
Workers' Compensation 319 306    
Salary Retirement 0 0    
Reclamation 0 0    
Other 0 0    
Total Deferred Credits and Other Liabilities 319 306    
Total CONSOL Energy Inc. Stockholders' Equity 167,256 154,279    
Noncontrolling Interest 0 0    
TOTAL LIABILITIES AND EQUITY 385,203 468,099    
Consolidation, Eliminations [Member]
       
Current Assets:        
Cash and Cash Equivalents 0 0    
Accounts and Notes Receivable:        
Trade 0 0    
Notes Receivable, Related Parties, Current 0 0    
Other Receivables 0 (128,400)    
Accounts Receivable - Securitized 0 0    
Inventories 0 0    
Recoverable Income Taxes 0      
Deferred Income Taxes 0 0    
Restricted Cash and Cash Equivalents, Current   0    
Prepaid Expenses 0 0    
Total Current Assets 0 (128,400)    
Property, Plant and Equipment:        
Property, Plant and Equipment 0 0    
Less-Accumulated Depreciation, Depletion and Amortization 0 0    
Total Property, Plant and Equipment-Net 0 0    
Other Assets:        
Deferred Income Taxes 0 0    
Restricted Cash and Cash Equivalents, Noncurrent   0    
Investments in Unconsolidated Equity Affiliates (10,807,824) (10,607,154)    
Notes, Loans and Financing Receivable, Net 0 0    
Other 0 0    
Total Other Assets (10,807,824) (10,607,154)    
Total Assets (10,807,824) (10,735,554)    
Current Liabilities:        
Accounts Payable 0 0    
Accounts Payable (Recoverable)- Related Parties 51,800 (128,400)    
Short-Term Notes Payable   0    
Current Portion Long-Term Debt 0 0    
Short-Term Notes Payable (51,800)      
Secured Debt, Current 0 0    
Accrued Income Taxes, Current   0    
Other Accrued Liabilities 0 0    
Total Current Liabilities 0 (128,400)    
Long-Term Debt: 0 0    
Deferred Credits and Other Liabilities        
Postretirement Benefits Other Than Pensions 0 0    
Pneumoconiosis 0 0    
Mine Closing 0 0    
Gas Well Closing 0 0    
Workers' Compensation 0 0    
Salary Retirement 0 0    
Reclamation 0 0    
Other 0 0    
Total Deferred Credits and Other Liabilities 0 0    
Total CONSOL Energy Inc. Stockholders' Equity (10,807,824) (10,607,154)    
Noncontrolling Interest 0 0    
TOTAL LIABILITIES AND EQUITY $ (10,807,824) $ (10,735,554)