Assets and Liabilities of Discontinued Operations (Detail) - USD ($) $ in Millions	Jun. 30, 2018	Dec. 30, 2017	Jul. 01, 2017
Assets
Cash and cash equivalents			$ 57
Current assets of discontinued operations	$ 0	$ 139
Liabilities
Current liabilities of discontinued operations	$ 0	67
Discontinued Operations, Held-for-Sale
Assets
Cash and cash equivalents		14
Receivables, net		64
Inventories		78
Prepaid expenses and other current assets		4
Property and equipment, net		31
Other assets		3
Valuation allowance		(55)
Current assets of discontinued operations		139
Liabilities
Trade accounts payable		38
Accrued expenses and other current liabilities		24
Deferred income taxes and other long-term liabilities		5
Current liabilities of discontinued operations		$ 67