XML 47 R30.htm IDEA: XBRL DOCUMENT v3.8.0.1
Receivables (Tables)
 12 Months Ended
Dec. 31, 2017
Receivables [Abstract]  
Receivables, net
Receivables consisted of the following (in millions):
 
December 31,
 
2017
 
2016
Accounts receivable
$
6,786

 
$
5,687

Commodity derivative and foreign currency
contract receivables
102

 
129

Other receivables
67

 
117

 
6,955

 
5,933

Allowance for doubtful accounts
(33
)
 
(32
)
Receivables, net
$
6,922

 
$
5,901