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Certain Relationships and Related Party Transactions (Details) - LINN Energy - Transition Services and Separation Agreement - USD ($)
$ in Millions
2 Months Ended 10 Months Ended
Jun. 30, 2017
Apr. 30, 2017
Feb. 28, 2017
Dec. 31, 2017
Related Party Transaction [Line Items]        
Related party transaction, monthly amount $ 2.7 $ 6.0    
Related party transaction, amount of transaction       $ 17.0
Predecessor        
Related Party Transaction [Line Items]        
Related party transaction, amount of transaction     $ 0.0