Income Taxes (Details 5) - USD ($) $ in Millions	12 Months Ended
	Dec. 26, 2015	Dec. 27, 2014	Dec. 28, 2013
Income Tax Disclosure [Abstract]
Unrecognized Tax Benefits That Would Not Impact Effective Tax Rate	$ 89	$ 98
Unrecognized tax benefits [Abstract]
Percentage threshold that the positions taken or expected to be taken is more likely than not sustained upon examination by tax authorities (in hundredths)	50.00%
Unrecognized tax benefits reconciliation [Roll Forward]
Beginning of Year	$ 115	243
Additions on tax positions related to the current year	0	19
Additions for tax positions of prior years	5	31
Reductions for tax positions of prior years	(13)	(20)
Reductions for settlements	(7)	(144)
Reductions due to statute expiration	(2)	(13)
Foreign currency translation adjustment	0	(1)
End of Year	98	115	$ 243
Income Tax Examination [Line Items]
Accrued interest and penalties	15	5
Total interest and penalties recorded during the period	$ 5	11	$ 18
Income Tax Examination Payment		$ 200