Accumulated Other Comprehensive Income Activity, Net of Tax (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 28, 2015	Dec. 27, 2014
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	$ 107
Other comprehensive loss activity before reclassifications	(53)
Reclassifications from Accumulated other comprehensive income (loss) to net income	(1)
Net other comprehensive loss	(54)
Ending Balance	53
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	186
Other comprehensive loss activity before reclassifications	(53)
Reclassifications from Accumulated other comprehensive income (loss) to net income	(1)
Net other comprehensive loss	(54)
Ending Balance	132
Change in Deferred Pension
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance		(79)
Ending Balance	$ (79)	$ (79)