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Related Party Transactions (Tables)
 9 Months Ended
Sep. 30, 2020
Related Party Transactions [Abstract]  
Related Party Transactions [table text block]
The following table provides a summary of the related party activity included in our consolidated statements of operations:
Three Months Ended
September 30,		Nine Months Ended
September 30,
2020201920202019
Operating revenues
$23 $24 $67 $72 
Operating and maintenance
3 2 8 4 
General and administrative
5 3 18 12 
Interest expense — related company
8 6 25 15