Interest and Other, Net (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 26, 2015	Dec. 27, 2014	Dec. 28, 2013
Interest and Other, Net [Line Items]
Interest income	$ 124	$ 141	$ 104
Interest expense	(337)	(192)	(244)
Other, net	108	94	(11)
Total interest and other, net	(105)	43	(151)
Interest Costs, Capitalized During Period	258	$ 276	$ 246
2015 Senior notes [Member]
Interest and Other, Net [Line Items]
Debt Instrument, Face Amount	$ 9,500