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Related Party Transactions (Tables)
 6 Months Ended
Jun. 30, 2018
Related Party Transaction [Line Items]  
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):
 
 
Three Months Ended June 30,
 
 
2018
 
2017
Revenues
 
$
33

 
$
31

Expenditures
 
$
97

 
$
82


 
 
Six Months Ended June 30,
 
 
2018
 
2017
Revenues
 
$
67

 
$
68

Expenditures
 
$
186

 
$
161