XML 78 R11.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Receivables
 12 Months Ended
Dec. 31, 2019
Receivables [Abstract]  
RECEIVABLES
3.
RECEIVABLES

Receivables consisted of the following (in millions):
 
December 31,
 
2019
 
2018
Receivables from contracts with customers
$
5,610

 
$
4,673

Receivables from certain purchase and sale arrangements
2,484

 
2,311

Commodity derivative and foreign currency
contract receivables
116

 
229

Other receivables
730

 
166

Total receivables
8,940

 
7,379

Allowance for doubtful accounts
(36
)
 
(34
)
Receivables, net
$
8,904

 
$
7,345



There were no significant changes in our allowance for doubtful accounts during the years ended December 31, 2019, 2018, and 2017.