XML 108 R65.htm IDEA: XBRL DOCUMENT v2.4.0.8
Variable Interest Entities - Grey Ranch, L.P. - Assets and Liabilities Included in Consolidated Balance Sheets (Details) (USD $)
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Variable Interest Entity [Line Items]        
Cash and cash equivalents $ 814,663,000 $ 309,766,000 $ 207,681,000 $ 5,863,000
Accounts receivable, net 349,218,000 445,506,000    
Prepaid expenses 39,253,000 31,319,000    
Other current assets 21,831,000 19,043,000    
Total current assets 1,241,823,000 1,142,885,000    
Other property, plant and equipment, net 566,222,000 582,375,000    
Accounts payable and accrued expenses 812,488,000 766,544,000    
Grey Ranch Plant, L.P
        
Variable Interest Entity [Line Items]        
Cash and cash equivalents 132,000 1,080,000    
Accounts receivable, net 16,000 20,000    
Prepaid expenses 32,000 64,000    
Other current assets 109,000 109,000    
Total current assets 289,000 1,273,000    
Other property, plant and equipment, net 1,163,000 1,246,000    
Total assets 1,452,000 2,519,000    
Accounts payable and accrued expenses 129,000 274,000    
Total liabilities $ 129,000 $ 274,000