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Income Taxes (Details 5) - Continuing Operations [Member] - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2016
Dec. 26, 2015
Dec. 27, 2014
Income Tax Examination [Line Items]      
Accrued interest and penalties $ 9 $ 15  
Total interest and penalties recorded during the period 4 5 $ 11
Unrecognized tax benefits reconciliation [Roll Forward]      
Beginning of Year 98 115  
Additions on tax positions related to the current year 0 0  
Additions for tax positions of prior years 1 5  
Reductions for tax positions of prior years (5) (13)  
Reductions for settlements (1) (7)  
Reductions due to statute expiration (2) (2)  
Foreign currency translation adjustment 0 0  
End of Year $ 91 $ 98 $ 115