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Commitments and Contingencies (Details) (Schedule of Changes in Product Warranty Liability) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 30, 2013
Mar. 31, 2012
Changes in Product Warranty Liability [Roll Forward]    
Beginning balance $ 16 $ 20
New warranties issued 6 9
Settlements (6) (8)
Changes in liability for pre-existing warranties, including expirations (2) (1)
Ending balance $ 14 $ 20