Quarterly report pursuant to Section 13 or 15(d)

Inventories (Detail)

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Inventories (Detail) - USD ($)
$ in Millions
Jun. 27, 2015
Dec. 27, 2014
Inventory, Net, Items Net of Reserve Alternative [Abstract]    
Raw materials $ 490 $ 462
Work in process 2,668 2,375
Finished goods 1,660 1,436
Total inventories $ 4,818 $ 4,273