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Balance Sheet Details (Inventories Schedule) (Details) (USD $)
In Millions, unless otherwise specified

Dec. 31, 2012

Mar. 31, 2012

Balance Sheet Related Disclosures [Abstract]

Raw materials and work in process

$ 1

$ 0

Finished goods

58

59

Inventories

$ 59

^[1]

[1]	Derived from audited consolidated financial statements.

- Definition

The aggregate carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of items which are partially completed at the time of measurement and unprocessed items that will go through the production process and become part of the final product. This element may be used when the reporting entity combines work in process and raw materials into an aggregate amount.

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