CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
OPERATING REVENUES
Operating revenues	$ 1,670	$ 1,665	$ 4,924	$ 5,037
Operating revenues - affiliates	617	533	1,802	1,578
Total operating revenues	2,287	2,198	6,726	6,615
OPERATING EXPENSES
Cost of services and products (exclusive of depreciation and amortization)	734	701	2,169	2,097
Selling, general and administrative	266	271	792	830
Operating expenses - affiliates	249	197	735	573
Depreciation and amortization	466	501	1,392	1,499
Total operating expenses	1,715	1,670	5,088	4,999
OPERATING INCOME	572	528	1,638	1,616
OTHER (EXPENSE) INCOME
Interest expense	(119)	(115)	(356)	(347)
Interest expense - affiliates, net	(13)	(13)	(39)	(38)
Other (expense) income	(1)	1	0	1
Total other expense, net	(133)	(127)	(395)	(384)
Income before income tax expense	439	401	1,243	1,232
Income tax expense	171	156	490	478
NET INCOME	$ 268	$ 245	$ 753	$ 754