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Accounts Receivable
9 Months Ended
Sep. 30, 2018
Accounts Receivable Net [Abstract]  
Accounts Receivable

13.

Accounts Receivable

Components of accounts receivable include the following:

 

 

September 30, 2018

 

 

December 31, 2017

 

Oil, gas and NGL sales

$

619

 

 

$

559

 

Joint interest billings

 

176

 

 

 

134

 

Marketing revenues

 

323

 

 

 

278

 

Other

 

117

 

 

 

29

 

Gross accounts receivable

 

1,235

 

 

 

1,000

 

Allowance for doubtful accounts

 

(9

)

 

 

(11

)

Net accounts receivable

$

1,226

 

 

$

989