Inventories (Detail) (USD $) In Millions, unless otherwise specified	Jun. 29, 2014		Dec. 31, 2013
Inventory Disclosure [Abstract]
Finished goods	$ 2,216		$ 2,216
Work-in-process	3,445		3,445
Raw materials and supplies	588		505
Inventories	6,249		6,166
Noncurrent inventories not included above(a)	$ 474	[1]	$ 463	[1]

[1] Included in Other noncurrent assets. There are no recoverability issues associated with these amounts.