CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Millions, except Share data in Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Income Statement [Abstract]
OPERATING REVENUES	$ 4,515	$ 4,571	$ 13,553	$ 13,793
OPERATING EXPENSES
Cost of services and products (exclusive of depreciation and amortization)	1,918	1,943	5,587	5,732
Selling, general and administrative	1,047	748	2,679	2,454
Depreciation and amortization	1,135	1,144	3,375	3,560
Impairment of goodwill (Note 2)	1,100	0	1,100	0
Total operating expenses	5,200	3,835	12,741	11,746
OPERATING (LOSS) INCOME	(685)	736	812	2,047
OTHER INCOME (EXPENSE)
Interest expense	(329)	(326)	(970)	(1,004)
Net loss on early retirement of debt	0	0	0	(194)
Other income	9	12	52	27
Total other income (expense)	(320)	(314)	(918)	(1,171)
(LOSS) INCOME BEFORE INCOME TAX EXPENSE	(1,005)	422	(106)	876
Income tax expense	40	152	372	332
NET (LOSS) INCOME	$ (1,045)	$ 270	$ (478)	$ 544
BASIC AND DILUTED (LOSS) EARNINGS PER COMMON SHARE
BASIC (in dollars per share)	$ (1.76)	$ 0.43	$ (0.79)	$ 0.88
DILUTED (in dollars per share)	$ (1.76)	$ 0.43	$ (0.79)	$ 0.87
DIVIDENDS DECLARED PER COMMON SHARE (in dollars per share)	$ 0.54	$ 0.725	$ 1.62	$ 2.175
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING
BASIC (in shares)	594,587	621,148	606,104	619,748
DILUTED (in shares)	594,587	623,296	606,104	621,828