Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies (Details) (Schedule of Changes in Product Warranty Liability)

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Commitments and Contingencies (Details) (Schedule of Changes in Product Warranty Liability) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 28, 2013
Sep. 29, 2012
Sep. 28, 2013
Sep. 29, 2012
Changes in Product Warranty Liability [Roll Forward]        
Beginning balance $ 14 $ 18 $ 16 $ 20
New warranties issued 7 6 19 22
Settlements (6) (7) (17) (23)
Changes in liability for pre-existing warranties, including expirations 0 0 (3) (2)
Ending balance $ 15 $ 17 $ 15 $ 17