CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
OPERATING ACTIVITIES
Net income (loss)	$ 584	$ (478)
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	3,297	3,375
Impairment of goodwill	0	1,100
Impairment of assets	32	0
Deferred income taxes	301	349
Provision for uncollectible accounts	110	111
Gain on sale of intangible assets	0	(32)
Net long-term debt premium amortization	(30)	(45)
Changes in current assets and current liabilities:
Accounts receivable	(111)	(105)
Accounts payable	(21)	0
Accrued income and other taxes	38	30
Other current assets and other current liabilities, net	(130)	303
Retirement benefits	(255)	(288)
Changes in other noncurrent assets and liabilities, net	66	61
Other, net	56	27
Net cash provided by operating activities	3,937	4,408
INVESTING ACTIVITIES
Payments for property, plant and equipment and capitalized software	(2,113)	(2,211)
Proceeds from sale of intangible assets or property	0	75
Other, net	0	19
Net cash used in investing activities	(2,113)	(2,117)
FINANCING ACTIVITIES
Net proceeds from issuance of long-term debt	483	1,740
Payments of long-term debt	(162)	(1,169)
Net payments on credit facility	(140)	(620)
Dividends paid	(924)	(986)
Net proceeds from issuance of common stock	45	54
Repurchase of common stock	(558)	(1,252)
Other, net	(2)	(3)
Net cash used in financing activities	(1,258)	(2,236)
Net increase in cash and cash equivalents	566	55
Cash and cash equivalents at beginning of period	168	211
Cash and cash equivalents at end of period	734	266
Supplemental cash flow information:
Income taxes (paid), net	(21)	(45)
Interest (paid) (net of capitalized interest of $34 and $30)	$ (934)	$ (915)