Lease Commitments Lease Commitments (Details) - USD ($) $ in Millions	12 Months Ended
	Feb. 03, 2018	Jan. 28, 2017	Jan. 30, 2016
Operating Leased Assets [Line Items]
Rent expense charged	$ 293	$ 276	$ 279
Lease renewal period term	5 years
Minimum
Operating Leased Assets [Line Items]
Lease renewal period term	4 years
Maximum
Operating Leased Assets [Line Items]
Lease renewal period term	8 years