Leases - ROU Assets and Lease Liabilities (Details) $ in Millions	Jun. 27, 2020 USD ($)
Lease-Related Assets and Liabilities
Total right-of-use assets	$ 8,789
Total lease liabilities	9,463
Other non-current assets
Lease-Related Assets and Liabilities
Operating lease right-of-use assets	8,164
Property, plant and equipment, net
Lease-Related Assets and Liabilities
Finance lease right-of-use assets	625
Other current liabilities
Lease-Related Assets and Liabilities
Operating lease liabilities, current	1,353
Finance lease liabilities, current	20
Other non-current liabilities
Lease-Related Assets and Liabilities
Operating lease liabilities, non-current	7,460
Finance lease liabilities, non-current	$ 630