Leases (Supplemental Balance Sheet Information) (Details) $ in Millions	May 04, 2019 USD ($)
Assets
Operating leases	$ 2,708
Finance leases	$ 41	[1]
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	us-gaap:PropertyPlantAndEquipmentNet
Total leased assets	$ 2,749
Current:
Operating leases	639
Finance leases	$ 14
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]	us-gaap:LongTermDebtCurrent
Non-current:
Operating leases	$ 2,173
Finance leases	$ 27
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	us-gaap:LongTermDebtAndCapitalLeaseObligations
Total lease liabilities	$ 2,853
Accumulated depreciation	$ 41

[1] Finance leases are recorded net of accumulated depreciation of $41 million as of May 4, 2019.