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Commitments and Contingencies (Details) (Schedule of Changes in Product Warranty Liability) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 27, 2015
Jun. 28, 2014
Jun. 27, 2015
Jun. 28, 2014
Changes in Product Warranty Liability [Roll Forward]        
Beginning balance $ 21 $ 18 $ 19 $ 17
New warranties issued 6 8 14 16
Settlements (6) (10) (15) (19)
Changes in liability for pre-existing warranties, including expirations (4) 3 (1) 5
Ending balance $ 17 $ 19 $ 17 $ 19