Interest and Other, Net (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 27, 2015	Jun. 28, 2014	Jun. 27, 2015	Jun. 28, 2014
Interest and Other, Net [Abstract]
Interest income	$ 28	$ 38	$ 60	$ 73
Interest expense	(53)	(49)	(95)	(86)
Other, net	12	(6)	48	108
Total interest and other, net	(13)	(17)	13	95
Interest Costs Capitalized	$ 69	$ 63	$ 150	$ 140