Restructuring, Impairment and Integration Charges Other Productivity Charges (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 26, 2015	Dec. 27, 2014
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Settled without Cash	$ 10	$ 13

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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Period Type:	duration