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Related Party Transactions Related Party Transactions (Tables)
 12 Months Ended
Dec. 31, 2014
Related Party Transactions [Abstract]  
Schedule of Related Party Transactions [Table Text Block]
BNSF engages in various arm's-length transactions with affiliates in the ordinary course of business. The following table summarizes revenues earned by BNSF for services provided to affiliates and expenditures to affiliates (in millions):
 
 
Year Ended
 
Year Ended
 
Year Ended
 
 
December 31, 2014
 
December 31, 2013
 
December 31, 2012
Revenues
 
$
148

 
$
150

 
$
50

Expenditures
 
$
20

 
$
20

 
$
23