Leases - Maturities of Lease Liabilities (Details) $ in Millions	Aug. 02, 2019 USD ($)
Operating Leases
2019	$ 289
2020	675
2021	654
2022	659
2023	570
After 2023	3,010
Total lease payments	5,857
Less: interest	(1,310)
Present value of lease liabilities	4,547
Finance Leases
2019	27
2020	61
2021	60
2022	63
2023	58
After 2023	321
Total lease payments	590
Less: interest	(173)
Present value of lease liabilities	417
Operating and Finance Leases
2019	316
2020	736
2021	714
2022	722
2023	628
After 2023	3,331
Total lease payments	6,447
Less: interest	(1,483)
Present value of lease liabilities	4,964
Operating lease payments related to options to extend lease terms that are reasonably certain to be exercised	275
Minimum lease payments for operating leases signed but not yet commenced	294
Finance lease payments related to options to extend lease terms that are reasonably certain to be exercised	19
Minimum lease payments for finance leases signed but not yet commenced	329
Current operating lease liabilities	492
Current maturities of long-term debt	$ 35