Leases (Other and Supplement Cash Flow) (Details) $ in Millions	12 Months Ended
	Feb. 01, 2020 USD ($)
Leases [Abstract]
Weighted average remaining lease term (years)	7 years 3 months 18 days
Weighted average discount rate	5.40%
Cash paid for amounts included in measurement of operating lease liabilities:	$ 679
Right-of-use assets obtained in exchange for lease obligations:	$ 322