Related Party Transactions (Tables)

3 Months Ended

Mar. 31, 2017

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 March 31,
	2017		2016
Operating revenues	$	4	$	5
Operating and maintenance	2		4
General and administrative	6		7
Interest income — affiliates	4		7