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Related Party Transactions
6 Months Ended
Jun. 30, 2013
Related Party Transactions [Abstract]  
Related Party Transactions
Related Party Transactions

The companies identified as affiliates of BNSF include Berkshire and its subsidiaries. During the six months ended June 30, 2013 and 2012, the Company declared and paid cash distributions of $2 billion and $1.75 billion, respectively, to its parent company. For the six months ended June 30, 2013 and 2012, the Company made tax payments of $934 million and $421 million to Berkshire, respectively.

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