Quarterly report pursuant to Section 13 or 15(d)

Composition of Certain Financial Statement Items Inventories (Details)

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Composition of Certain Financial Statement Items Inventories (Details) - USD ($)
$ in Millions
Mar. 26, 2017
Sep. 25, 2016
Inventory, Net [Abstract]    
Raw materials $ 73 $ 1
Work-in-process 1,018 847
Finished goods 975 708
Inventories $ 2,066 $ 1,556