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Oil and Natural Gas Properties (Linn Energy, LLC [Member])
 3 Months Ended
Mar. 31, 2013
Linn Energy, LLC [Member]
  
Reserve Quantities [Line Items]  
Oil and Natural Gas Properties
Oil and Natural Gas Properties
Oil and Natural Gas Capitalized Costs
Aggregate capitalized costs related to oil, natural gas and NGL production activities with applicable accumulated depletion and amortization are presented below:
 
March 31,
2013
 
December 31,
2012
 
(in thousands)
Proved properties:
 
 
 
Leasehold acquisition
$
8,464,014

 
$
8,603,888

Development
2,707,884

 
2,553,127

Unproved properties
374,202

 
454,315

 
11,546,100

 
11,611,330

Less accumulated depletion and amortization
(2,174,273
)
 
(2,025,656
)
 
$
9,371,827

 
$
9,585,674