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, unless otherwise specified
Jun. 30, 2013
Sep. 30, 2012
Inventory, Net [Abstract]    
Raw materials $ 8 $ 19
Work-in-process 874 531
Finished goods 845 480
Inventories $ 1,727 $ 1,030