CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Revenues	$ 33,679	$ 32,563	$ 32,260
Net operating expenses
Cost of services and products (exclusive of depreciation and amortization included below)	19,015	17,492	16,435
Selling, general and administrative	9,592	9,438	9,453
Severance, exit costs and asset impairments	106	133	447
Depreciation	4,455	5,074	5,827
Amortization	403	1,174	1,589
Other, net	0	(153)	(93)
Total costs and expenses	33,571	33,158	33,658
Operating income (loss)	108	(595)	(1,398)
Other (expense) income
Interest expense	(1,011)	(1,464)	(1,450)
Equity in losses of unconsolidated investments, net	(1,730)	(1,286)	(803)
Other (expense) income, net	(3)	46	157
Nonoperating Income (Expense)	(2,744)	(2,704)	(2,096)
Loss before income taxes	(2,636)	(3,299)	(3,494)
Income tax expense (benefit)	(254)	(166)	1,058
Net loss	(2,890)	(3,465)	(2,436)
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustment	2	(8)	18
Unrealized holding gains (losses) on securities:
Unrealized holding gains (losses) on securities	6	0	9
Less: reclassification adjustment for realized (gains) losses included in net loss	(4)	(3)	5
Net unrealized holding gains (losses) on securities	2	(3)	14
Unrecognized net periodic pension and other postretirement benefits:
Actuarial Net (Gains) Losses	(349)	(171)	124
Prior service cost	0	0	(16)
Less: Amortization of actuarial gain/loss and prior service cost included in net loss	55	32	32
Net unrecognized net periodic pension and other postretirement benefits	(294)	(139)	140
Other comprehensive income (loss)	(290)	(150)	172
Comprehensive loss	$ (3,180)	$ (3,615)	$ (2,264)
Basic and diluted loss per common share	$ (0.96)	$ (1.16)	$ (0.84)
Basic and diluted weighted average common shares outstanding	2,995	2,988	2,886