CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (USD $) Share data in Millions, except Per Share data, unless otherwise specified	3 Months Ended		12 Months Ended	6 Months Ended	12 Months Ended
	Dec. 30, 2012	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]
Net operating revenues		$ 0	$ 16,891,000,000	$ 18,602,000,000	$ 35,345,000,000	$ 33,679,000,000
Net operating expenses
Cost of services and products (exclusive of depreciation and amortization included below)		0	9,777,000,000	10,545,000,000	20,841,000,000	19,015,000,000
Selling, general and administrative		33,000,000	4,841,000,000	5,067,000,000	9,765,000,000	9,592,000,000
Severance, exit costs and asset impairments		0	309,000,000	652,000,000	298,000,000	106,000,000
Depreciation		0	2,026,000,000	3,098,000,000	6,240,000,000	4,455,000,000
Amortization		0	908,000,000	147,000,000	303,000,000	403,000,000
Other, net		0	0	(22,000,000)	(282,000,000)	0
Total costs and expenses		33,000,000	17,861,000,000	19,487,000,000	37,165,000,000	33,571,000,000
ERROR in label resolution.		(33,000,000)	(970,000,000)	(885,000,000)	(1,820,000,000)	108,000,000
Other (expense) income
Interest Expense		0	(918,000,000)	(1,135,000,000)	(1,428,000,000)	(1,011,000,000)
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
Other income (expense), net		10,000,000	73,000,000	19,000,000	190,000,000	(3,000,000)
Nonoperating Income (Expense)		10,000,000	(845,000,000)	1,328,000,000	(2,352,000,000)	(2,744,000,000)
Loss (income) before income taxes		(23,000,000)	(1,815,000,000)	443,000,000	(4,172,000,000)	(2,636,000,000)
Income tax expense		(4,000,000)	(45,000,000)	(1,601,000,000)	(154,000,000)	(254,000,000)
Net loss		(27,000,000)	(1,860,000,000)	(1,158,000,000)	(4,326,000,000)	(2,890,000,000)
Other comprehensive (loss) income, net of tax:
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	0		3,000,000	(8,000,000)	(4,000,000)	2,000,000
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax		0	6,000,000	(4,000,000)	5,000,000	6,000,000
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax		0	0	0	(3,000,000)	(4,000,000)
Net unrealized holding gains (losses) on securities and other		0	6,000,000	(4,000,000)	2,000,000	2,000,000
Defined Benefit Plan, Actuarial Gain (Loss)	0		93,000,000	0	(404,000,000)	(349,000,000)
Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, Tax		0	0	(35,000,000)	(65,000,000)	(55,000,000)
Net unrecognized net periodic pension and other postretirement benefits		0	(93,000,000)	(35,000,000)	339,000,000	294,000,000
Other comprehensive income (loss)		0	102,000,000	23,000,000	(341,000,000)	(290,000,000)
Comprehensive (loss) income		$ (27,000,000)	$ (1,758,000,000)	$ (1,135,000,000)	$ (4,667,000,000)	$ (3,180,000,000)
Basic and diluted net loss per common share			$ (0.54)	$ (0.38)	$ (1.44)	$ (0.96)
Weighted Average Number of Shares Outstanding, Basic and Diluted			3,475	3,027	3,002	2,995