Lease Liability Maturities (Details) $ in Millions	Dec. 28, 2019 USD ($)
Lessee, Operating Lease, Liability, Payment, Due [Abstract]
2020	$ 708
2021	816
2022	593
2023	456
2024	329
Thereafter	1,521
Total undiscounted future lease payments - Operating	4,423
Imputed interest - Operating	847
Operating Lease, Liability	3,576
Finance Lease, Liability, Payment, Due [Abstract]
2020	43
2021	47
2022	46
2023	40
2024	37
Thereafter	517
Total undiscounted future lease payments - Financing	730
Imputed interest - Financing	449
Finance Lease, Liability	$ 281