XML 23 R12.htm IDEA: XBRL DOCUMENT v3.10.0.1
Related Party Transactions (Tables)
 9 Months Ended
Sep. 30, 2018
Related Party Transactions [Abstract]  
Related Party Transactions [table text block]
The following table provides a summary of the related party activity included in the consolidated statements of operations:
 
Three Months Ended
September 30,
 
Nine Months Ended
September 30,
 
2018
 
2017
 
2018
 
2017
Operating revenues
$
25

 
$
11

 
$
72

 
$
18

Operating and maintenance
—

 
1

 
2

 
5

General and administrative
6

 
7

 
17

 
18

Interest expense — affiliate
5

 
—

 
8

 
—

Interest income — affiliate
—

 
1

 
—

 
9