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Commitments and Contingent Liabilities (Product Warranty Liability) (Narrative) (Details) (USD $) In Millions	Jun. 30, 2011	Dec. 31, 2010
Commitments and Contingent Liabilities
Product warranty liability	$ 24	$ 20

- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers.

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