CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	9 Months Ended			6 Months Ended	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013 Successor [Member]	Jul. 10, 2013 Predecessor [Member]	Sep. 30, 2012 Predecessor [Member]
Cash flows from operating activities
Net loss			$ (822)	$ (1,158)	$ (3,004)
Adjustments to reconcile net loss to net cash provided by operating activities:
Asset impairments	0		0	0	84
Depreciation and amortization			1,403	3,245	5,050
Provision for losses on accounts receivable			119	194	413
Share-based and long-term incentive compensation expense			58	37	57
Deferred income tax expense			22	1,586	142
Equity in losses of unconsolidated investments, net			0	482	927
Gain on previously-held equity interests			0	(2,926)	0
Interest expense related to beneficial conversion feature on convertible bond	0	0		247
Gains from asset dispositions and exchanges		(29)	0	0	(29)
Contribution to pension plan			0	0	(108)
Spectrum hosting contract termination		(236)	0	0	(236)
Other changes in assets and liabilities:
Accounts and notes receivable			(65)	150	(526)
Inventories and other current assets			(72)	298	(348)
Accounts payable and other current liabilities			167	280	395
Non-current assets and liabilities, net			(153)	207	55
Other, net			43	29	(89)
Net cash provided by operating activities			700	2,671	2,783
Cash flows from investing activities
Capital expenditures			(1,878)	(3,140)	(2,784)
Expenditures relating to FCC licenses			(31)	(125)	(152)
Acquisitions, net of cash acquired			(14,112)	(4,039)	0
Investment in Clearwire (including debt securities)			0	(308)	(128)
Proceeds from sales and maturities of short-term investments			479	2,445	958
Purchases of short-term investments			(815)	(1,221)	(1,492)
Increase in restricted cash			(3,050)	0	0
Other, net			0	3	13
Net cash used in investing activities			(19,407)	(6,385)	(3,585)
Cash flows from financing activities
Proceeds from debt and financings			6,826	204	3,577
Repayments of debt and capital lease obligations			(497)	(362)	(2,508)
Debt financing costs			(107)	(11)	(90)
Proceeds from issuance of common stock and warrants, net			18,552	60	21
Other, net			(14)		0
Net cash provided by (used in) financing activities			24,760	(109)	1,000
Net increase (decrease) in cash and cash equivalents			6,053	(3,823)	198
Cash and cash equivalents, beginning of period			5	6,351	5,447
Cash and cash equivalents, end of period			$ 6,058	$ 2,528	$ 5,645