Leases (Lease Cash Flow) (Details) - USD ($) $ in Millions	3 Months Ended
	May 01, 2020	May 03, 2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 43	$ 46
Financing cash flows from finance leases	1	0	[1]
ROU assets obtained in exchange for lease liabilities:
Operating leases	74	15
Finance leases	$ 1	$ 0

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