CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
OPERATING REVENUES
Operating revenues	$ 1,618	$ 1,682	$ 3,254	$ 3,372
Operating revenues - affiliates	604	524	1,185	1,045
Total operating revenues	2,222	2,206	4,439	4,417
OPERATING EXPENSES
Cost of services and products (exclusive of depreciation and amortization)	743	698	1,435	1,396
Selling, general and administrative	256	274	526	559
Operating expenses - affiliates	238	188	486	376
Depreciation and amortization	464	500	926	998
Total operating expenses	1,701	1,660	3,373	3,329
OPERATING INCOME	521	546	1,066	1,088
OTHER (EXPENSE) INCOME
Interest expense	(119)	(116)	(237)	(232)
Interest expense - affiliates, net	(13)	(12)	(26)	(25)
Other income	1	0	1	0
Total other expense, net	(131)	(128)	(262)	(257)
Income before income tax expense	390	418	804	831
Income tax expense	152	162	319	322
NET INCOME	$ 238	$ 256	$ 485	$ 509