Leases - Lease Liability Maturities (Details) $ in Millions	Mar. 28, 2020 USD ($)
Operating Leases
2020 (remaining six months)	$ 559
2021	1,428
2022	1,298
2023	1,091
2024	951
Thereafter	4,269
Total undiscounted liabilities	9,596
Less: Imputed interest	(990)
Total lease liabilities	8,606
Finance Leases
2020 (remaining six months)	14
2021	40
2022	38
2023	49
2024	26
Thereafter	920
Total undiscounted liabilities	1,087
Less: Imputed interest	(439)
Total lease liabilities	648
Total
2020 (remaining six months)	573
2021	1,468
2022	1,336
2023	1,140
2024	977
Thereafter	5,189
Total undiscounted liabilities	10,683
Less: Imputed interest	(1,429)
Total lease liabilities	$ 9,254