CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	3 Months Ended	12 Months Ended	6 Months Ended	12 Months Ended
	Dec. 30, 2012 Successor [Member]	Dec. 31, 2013 Successor [Member]	Jul. 10, 2013 Predecessor [Member]	Dec. 31, 2012 Predecessor [Member]	Dec. 31, 2011 Predecessor [Member]
Cash flows from operating activities
Net loss	$ (27,000,000)	$ (1,860,000,000)	$ (1,158,000,000)	$ (4,326,000,000)	$ (2,890,000,000)
Adjustments to reconcile net loss to net cash provided by operating activities:
Asset impairments	0	0	0	102,000,000	78,000,000
Depreciation and amortization	0	2,934,000,000	3,245,000,000	6,543,000,000	4,858,000,000
Provision for losses on accounts receivable	0	261,000,000	194,000,000	561,000,000	559,000,000
Share-based and long-term incentive compensation expense	0	98,000,000	37,000,000	82,000,000	73,000,000
Deferred income tax expense	1,000,000	32,000,000	1,586,000,000	209,000,000	231,000,000
Equity in losses of unconsolidated investments, net	0	0	482,000,000	1,114,000,000	1,730,000,000
Gain on previously-held equity interests	0	0	(2,926,000,000)	0	0
Interest expense related to beneficial conversion feature on convertible bond	0	0	247,000,000	0	0
Gains from asset dispositions and exchanges	0	0	0	(29,000,000)	0
Contribution to pension plan	0	(7,000,000)	0	(108,000,000)	(136,000,000)
Spectrum hosting contract termination	0	0	0	(236,000,000)	0
Call premiums on debt redemptions	0	(180,000,000)	0	0	0
Amortization and accretion of long-term debt premiums and discounts	0	(160,000,000)	9,000,000	4,000,000	(12,000,000)
Other changes in assets and liabilities:
Accounts and notes receivable	(6,000,000)	(558,000,000)	150,000,000	(892,000,000)	(729,000,000)
Inventories and other current assets	0	(391,000,000)	298,000,000	(486,000,000)	(238,000,000)
Accounts payable and other current liabilities	3,000,000	25,000,000	280,000,000	577,000,000	90,000,000
Non-current assets and liabilities, net	0	(379,000,000)	207,000,000	(11,000,000)	48,000,000
Other, net	29,000,000	124,000,000	20,000,000	(105,000,000)	29,000,000
Net cash provided by operating activities	0	(61,000,000)	2,671,000,000	2,999,000,000	3,691,000,000
Cash flows from investing activities
Capital expenditures	0	(3,847,000,000)	(3,140,000,000)	(4,261,000,000)	(3,130,000,000)
Expenditures relating to FCC licenses	0	(146,000,000)	(125,000,000)	(198,000,000)	(258,000,000)
Licensees reimbursed share of costs	0	0	0	0	135,000,000
Acquisitions, net of cash acquired	0	(14,112,000,000)	(4,039,000,000)	0	0
Investment in Clearwire (including debt securities)	0	0	(308,000,000)	(228,000,000)	(331,000,000)
Payments to Acquire Investments	(3,100,000,000)	0	0	0	0
Proceeds from sales and maturities of short-term investments	0	1,715,000,000	2,445,000,000	1,513,000,000	980,000,000
Purchases of short-term investments	0	(1,719,000,000)	(1,221,000,000)	(3,212,000,000)	(830,000,000)
Other, net	0	1,000,000	3,000,000	11,000,000	(9,000,000)
Net cash used in investing activities	(3,100,000,000)	(18,108,000,000)	(6,385,000,000)	(6,375,000,000)	(3,443,000,000)
Cash flows from financing activities
Proceeds from debt and financings	0	9,500,000,000	204,000,000	9,176,000,000	4,000,000,000
Repayments of debt and capital lease obligations	0	(3,378,000,000)	(362,000,000)	(4,791,000,000)	(3,906,000,000)
Debt financing costs	0	(147,000,000)	(11,000,000)	(134,000,000)	(86,000,000)
Proceeds from issuance of common stock and warrants, net	3,105,000,000	18,567,000,000	60,000,000	29,000,000	18,000,000
Other, net	0	(14,000,000)		0	0
Net cash provided by (used in) financing activities	3,105,000,000	24,528,000,000	(109,000,000)	4,280,000,000	26,000,000
Net increase (decrease) in cash and cash equivalents	5,000,000	6,359,000,000	(3,823,000,000)	904,000,000	274,000,000
Cash and cash equivalents, beginning of period	0	5,000,000	6,351,000,000	5,447,000,000	5,173,000,000
Cash and cash equivalents, end of period		$ 6,364,000,000	$ 2,528,000,000	$ 6,351,000,000	$ 5,447,000,000