CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Cash flows from operating activities
Net loss	$ (863)	$ (439)
Adjustments to reconcile net loss to net cash provided by operating activities:
Asset impairments	84	0
Depreciation and amortization	1,666	1,255
Provision for losses on accounts receivable	136	73
Share-based compensation expense	17	18
Deferred income taxes	32	27
Equity in losses of unconsolidated investments and other, net	273	412
Gains from asset dispositions and exchanges	(29)	0
Contribution to pension plan	(92)	(100)
Spectrum hosting contract termination	(236)	0
Other changes in assets and liabilities:
Accounts and notes receivable	(78)	32
Inventories and other current assets	52	(165)
Accounts payable and other current liabilities	52	(236)
Non-current assets and liabilities, net	(63)	23
Other, net	27	19
Net cash provided by operating activities	978	919
Cash flows from investing activities
Capital expenditures	(783)	(644)
Expenditures relating to FCC licenses	(56)	(74)
Investment in Clearwire	(128)	0
Proceeds from sales and maturities of short-term investments	150	300
Purchases of short-term investments	(477)	(340)
Other, net	(1)	(23)
Net cash used in investing activities	(1,295)	(781)
Cash flows from financing activities
Proceeds from debt and financings	2,000	0
Repayments of debt and capital lease obligations	(2)	(1,652)
Debt financing costs	(36)	(3)
Other, net	3	2
Net cash used in financing activities	1,965	(1,653)
Net increase (decrease) in cash and cash equivalents	1,648	(1,515)
Cash and cash equivalents, beginning of period	5,447	5,173
Cash and cash equivalents, end of period	$ 7,095	$ 3,658