Leases - Lease Liability Maturities (Details) $ in Millions	Jun. 27, 2020 USD ($)
Operating Leases
2020 (remaining three months)	$ 309
2021	1,504
2022	1,356
2023	1,183
2024	994
Thereafter	4,511
Total undiscounted liabilities	9,857
Less: Imputed interest	(1,044)
Total lease liabilities	8,813
Finance Leases
2020 (remaining three months)	5
2021	41
2022	39
2023	50
2024	27
Thereafter	920
Total undiscounted liabilities	1,082
Less: Imputed interest	(432)
Total lease liabilities	650
Total
2020 (remaining three months)	314
2021	1,545
2022	1,395
2023	1,233
2024	1,021
Thereafter	5,431
Total undiscounted liabilities	10,939
Less: Imputed interest	(1,476)
Total lease liabilities	$ 9,463