CONSOLIDATED BALANCE SHEETS (USD $) In Millions, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Current Assets
Cash and Cash Equivalents	$ 7,095	$ 5,447
Short-term investments	477	150
Accounts and notes receivable, net of allowance for doubtful accounts of $168 and $219	3,216	3,206
Device and accessory inventory	693	913
Deferred tax assets	115	130
Prepaid expenses and other current assets	628	491
Total current assets	12,224	10,337
Investments	1,780	1,996
Property, Plant and Equipment, Net	13,500	14,009
Intangible assets
Goodwill	359	359
FCC licenses and other	20,540	20,453
Definite-lived intangible assets, net	1,541	1,616
Other assets	673	613
Total assets	50,617	49,383
Current Liabilities
Accounts payable	2,847	2,495
Accrued expenses and other current liabilities	3,584	3,996
Current portion of long-term debt, financing and capital lease obligations	8	8
Total current liabilities	6,439	6,499
Long-term debt, financing and capital lease obligations	22,260	20,266
Deferred tax liabilities	7,013	6,986
Other liabilities	4,314	4,205
Total liabilities	40,026	37,956
Commitments and contingencies
Shareholders' Equity
Common shares, voting, par value $2.00 per share, 6.5 billion shares authorized, 2.997 and 2.996 billion shares issued	5,995	5,992
Paid-in capital	46,723	46,716
Accumulated deficit	(41,352)	(40,489)
Accumulated other comprehensive loss	(775)	(792)
Total shareholders' equity	10,591	11,427
Total Liabilities and Shareholders' Equity	$ 50,617	$ 49,383