Leases - ROU Assets and Lease Liabilities (Details) $ in Millions	Mar. 28, 2020 USD ($)
Lease-Related Assets and Liabilities
Total right-of-use assets	$ 8,728
Total lease liabilities	9,254
Other non-current assets
Lease-Related Assets and Liabilities
Operating lease right-of-use assets	8,097
Property, plant and equipment, net
Lease-Related Assets and Liabilities
Finance lease right-of-use assets	631
Other current liabilities
Lease-Related Assets and Liabilities
Operating lease liabilities, current	1,185
Finance lease liabilities, current	19
Other non-current liabilities
Lease-Related Assets and Liabilities
Operating lease liabilities, non-current	7,421
Finance lease liabilities, non-current	$ 629