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 6 Months Ended
Jun. 29, 2013
Jun. 30, 2012
Jun. 29, 2013
Jun. 30, 2012
Changes in Product Warranty Liability [Roll Forward]        
Beginning balance $ 14 $ 20 $ 16 $ 20
New warranties issued 6 16 12 25
Settlements (5) (16) (11) (24)
Changes in liability for pre-existing warranties, including expirations (1) (2) (3) (3)
Ending balance $ 14 $ 18 $ 14 $ 18