Related Party Transactions (Tables)

9 Months Ended

Sep. 30, 2014

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,
	2014		2013		2014		2013
Operating revenues	$	4	$	5	$	28	$	34
Cost of natural gas and other energy	—		—		—		16
Operating, maintenance and general	13		16		37		59
Interest expense, net of interest capitalized	—		14		—		15
Interest income — affiliates	5		3		17		3
Equity in earnings of unconsolidated investments	9		9		7		15