Leases Balance Sheet Location of ROU Assets and Lease Liabilities (Details) - USD ($) $ in Millions	Dec. 28, 2019	Dec. 29, 2018
ASSETS
Operating	$ 145
Financing	333
Total leased assets	478
Current:
Operating	40	$ 6
Financing	95
Noncurrent:
Operating	131	$ 21
Financing	257
Total lease liabilities	523
Finance lease assets, net of accumulated amortization	$ 269