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Related Party Transactions (Tables)
 9 Months Ended
Sep. 30, 2022
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,
2022202120222021
Operating revenues
$22 $23 $67 $68 
Operating and maintenance
4 5 12 13 
General and administrative
6 6 19 19 
Interest expense — related company
— 4 3 14