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Related Party Transactions Related Party Transactions (Tables)
12 Months Ended
Dec. 31, 2017
Related Party Transactions [Abstract]  
Schedule of Related Party Transactions [Table Text Block]
The following table summarizes revenues earned by BNSF for services provided to related parties and expenditures to related parties (in millions):
 
 
Year Ended
 
Year Ended
 
Year Ended
 
 
December 31, 2017
 
December 31, 2016
 
December 31, 2015
Revenues
 
$
139

 
$
146

 
$
178

Expenditures
 
$
342

 
$
286

 
$
298