Additional Financial Statement Information Additional Financial Statement Information (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Jan. 28, 2017	Feb. 03, 2018	Jan. 28, 2017	Jan. 30, 2016
Additional Financial Statement Information [Abstract]
Depreciation		$ 556	$ 590	$ 588
Interest Costs Capitalized		9	9	8
Other Asset Impairment Charges		28	107	54
Goodwill, Impairment Loss	$ 71	$ 0	$ 71	$ 0