Recent Accounting Pronouncements (Details) - USD ($) $ in Millions	Jun. 29, 2019	Dec. 30, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease assets	$ 106
Operating lease liabilities	$ 133
Accounting Standards Update 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease assets		$ 100
Operating lease liabilities		$ 100