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Property, Plant and Equipment, net (Details) (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Property, plant and equipment, net      
Property, plant and equipment, gross $ 4,971,250,000 $ 4,814,031,000  
Accumulated depreciation (2,150,978,000) (1,975,312,000)  
Property, plant and equipment, net 2,820,272,000 2,838,719,000 2,911,711,000
Depreciation expense 312,400,000 328,100,000 331,500,000
Assets under construction 130,500,000 146,900,000  
Capitalized interest related to construction 300,000 1,200,000 1,500,000
Compression equipment, facilities and other fleet assets
      
Property, plant and equipment, net      
Property, plant and equipment, gross 4,304,019,000 4,205,924,000  
Land and buildings
      
Property, plant and equipment, net      
Property, plant and equipment, gross 197,778,000 186,410,000  
Transportation and shop equipment
      
Property, plant and equipment, net      
Property, plant and equipment, gross 288,042,000 260,258,000  
Other
      
Property, plant and equipment, net      
Property, plant and equipment, gross $ 181,411,000 $ 161,439,000