XML 29 R26.htm IDEA: XBRL DOCUMENT v2.4.0.8
Related Party Transactions Related Party Transactions (Tables)
 6 Months Ended
Jun. 30, 2013
Related Party Transaction [Line Items]  
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 tables summarize revenues earned by BNSF for services provided to affiliates and expenditures to affiliates (in millions):
 
 
Three Months Ended June 30,
 
 
2013
 
2012
Revenues
 
$
28

 
$
9

Expenditures
 
$
4

 
$
7


 
 
Six Months Ended June 30,
 
 
2013
 
2012
Revenues
 
$
66

 
$
19

Expenditures
 
$
10

 
$
11