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Commitments and Guarantees (Details) (Schedule of Changes in Product Warranty Liability) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2016
Dec. 26, 2015
Changes in Product Warranty Liability [Roll Forward]    
Beginning balance $ 15 $ 19
New warranties issued during the period 21 28
Settlements during the period (19) (26)
Changes in liability for pre-existing warranties during the period, including expirations (5) (6)
Ending balance $ 12 $ 15