Debt And Credit Facilities (Components Of Interest Expense, Net) (Details) - USD ($) $ in Millions	12 Months Ended
	Feb. 03, 2018	Jan. 28, 2017	Jan. 30, 2016
Debt Disclosure [Abstract]
Interest on long-term debt and short-term borrowings	$ 168	$ 147	$ 153
Less:
Interest income	(5)	(1)	0
Capitalized interest	(27)	(25)	(28)
Interest expense, net	$ 136	$ 121	$ 125