Reconciliation Of Division Operating Profit To Consolidated Earnings (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended						12 Months Ended
	Dec. 28, 2013	Sep. 28, 2013	Jun. 29, 2013	Mar. 30, 2013	Sep. 29, 2012	Mar. 31, 2012	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Division operating income							$ (205)	$ (31)	$ 34
Recovery of purchase price						68		68
Asset impairments	(12)	(49)	(4)	(5)	(88)		(70)	(139)	(11)
Merger, restructuring, and other operating expenses, net	(111)	(44)	(26)	(19)			(201)	(56)	(56)
Unallocated expenses							(89)	(74)	(96)
Interest income							5	2	1
Interest expense							(69)	(69)	(33)
Loss on extinguishment of debt						12		(12)
Gain on disposition of joint venture							382
Other income (expense), net							14	35	31
Income (loss) before income taxes							127	(75)	33
Operating Segments
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Division operating income							155	170	186
Merger, restructuring, and other operating expenses, net							$ (201)	$ (56)	$ (56)