Leases (Lease Cash Flow) (Details) - USD ($) $ in Millions	9 Months Ended
	Oct. 30, 2020	Nov. 01, 2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 124	$ 124
Operating cash flows from finance leases	1	1
Financing cash flows from finance leases	3	1	[1]
ROU assets obtained in exchange for lease liabilities:
Operating leases	256	205
Finance leases	$ 1	$ 63

[1] Adjusted to reflect the recast of prior period information due to the Pivotal Software, Inc. (“Pivotal”) acquisition in fiscal 2020, which was accounted for as a transaction between entities under common control (refer to Note A).