Income Taxes (Details) (Schedule of Deferred Tax Assets and Liabilities, Current and Noncurrent) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 26, 2015
Income Tax Disclosure [Abstract]
Current deferred tax assets	$ 0	$ 8
Non-current deferred tax assets	11	48
Current deferred tax liabilities	0	(46)
Non-current deferred tax liabilities	(11)	0
Net deferred tax assets	$ 0	$ 10