CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
OPERATING REVENUES
Operating revenues	$ 6,676	$ 6,818	$ 7,031
Operating revenues-affiliates	2,162	1,935	1,817
Total operating revenues	8,838	8,753	8,848
OPERATING EXPENSES
Cost of services and products (exclusive of depreciation and amortization)	2,879	2,790	2,868
Selling, general and administrative	1,086	1,062	1,166
Operating expenses-affiliates	756	695	619
Depreciation and amortization	2,005	2,128	2,290
Total operating expenses	6,726	6,675	6,943
OPERATING INCOME	2,112	2,078	1,905
OTHER (EXPENSE) INCOME
Interest expense	(464)	(450)	(443)
Interest expense-affiliates, net	(40)	(64)	(24)
Net loss on early retirement of debt	0	0	(47)
Other income	1	2	0
Total other (expense) income	(503)	(512)	(514)
INCOME BEFORE INCOME TAX EXPENSE	1,609	1,566	1,391
Income tax expense	639	602	542
NET INCOME	$ 970	$ 964	$ 849