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Related Party Transactions (Tables)
 3 Months Ended
Mar. 31, 2017
Oxy  
Related Party Transactions  
Schedule of related party transactions
The impact to our Condensed Consolidated Statements of Operations from those transactions is included below (in millions):
 
Three Months Ended
March 31,
 
2017
 
2016
Revenues
$
234

 
$
112

 
 
 
 
Purchases and related costs (1)
$
(40
)
 
$
(46
)
 
(1) 
Purchases and related costs include crude oil buy/sell transactions that are accounted for as inventory exchanges and are presented net in our Condensed Consolidated Statements of Operations.
 
We currently have a netting arrangement with Oxy. Our gross receivable and payable amounts with Oxy were as follows (in millions):
 
March 31,
2017
 
December 31, 2016
Trade accounts receivable and other receivables
$
872

 
$
789

 
 
 
 
Accounts payable
$
818

 
$
836