Annual report pursuant to Section 13 and 15(d)

Income Taxes (Details) (Schedule of Gross Unrecognized Tax Benefits)

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Income Taxes (Details) (Schedule of Gross Unrecognized Tax Benefits) - USD ($)
$ in Millions
12 Months Ended
Dec. 26, 2015
Dec. 27, 2014
Dec. 28, 2013
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]      
Unrecognized tax benefits, beginning $ 28 $ 52 $ 56
Increases for tax positions taken in prior years 11 1 1
Decreases for tax positions taken in prior years (1) 0 (2)
Increases for tax positions taken in the current year 2 2 4
Decreases for settlements with taxing authorities (2) (27) (7)
Unrecognized tax benefits, ending $ 38 $ 28 $ 52