Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 30, 2017	Dec. 31, 2016	Jan. 02, 2016
Operating Loss Carryforwards [Line Items]
Adjustment to Deferred Tax Liability	$ 171
Cumulative undistributed earnings of foreign subsidiaries	62
Deferred Tax Liability Not Recognized, Amount of Unrecognized Deferred Tax Liability, Undistributed Earnings of Foreign Subsidiaries	13
Deferred Tax Liabilities, Undistributed Foreign Earnings	$ 4
Effective tax rate	10.00%	31.00%	31.00%
Federal statutory income tax rate	35.00%
Deemed Repatriation Provision Adjustment	$ 25
Change in unrecognized tax benefits in next 12 months	It is reasonably possible that our unrecognized tax benefits may decrease by up to $12 million within the next twelve months.
Last year examined	Our federal returns have been examined by the Internal Revenue Service through 2013. We have various state and foreign returns under examination.
Accrued interest related to unrecognized tax benefits	$ 2	$ 1
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	8
Unrecognized Tax Benefits, Income Tax Penalties Expense	1
Foreign Tax Authority [Member] | No Expiration Date [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	29
State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Tax Credit Carryforward, Amount	$ 14
Tax Credit Carryforward, Expiration Date	Dec. 31, 2030