Schedule Income Tax Expense Related to Income From Continuing Operations (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 29, 2018	Dec. 30, 2017	Dec. 31, 2016
Income Tax Disclosure [Abstract]
Federal, Current	$ 3	$ 4	$ 17
State, Current	7	3	6
Foreign, Current	9	9	3
Federal, Deferred	27	152	(210)
State, Deferred	13	(17)	(37)
Foreign, Deferred		2	1
Income tax expense (benefit)	$ 59	$ 153	$ (220)