Accounts Payable and Accrued Liabilities (Changes In Workers' Compensation And General Liability Reserves) (Details) - USD ($) $ in Millions	12 Months Ended
	Feb. 03, 2018	Jan. 28, 2017	Jan. 30, 2016
Accounts Payable and Accrued Liabilities, Current [Abstract]
Balance, beginning of year	$ 503	$ 508	$ 505
Expense for workers compensation and general liability reserves	144	145	159
Payments of workers compensation and general liability reserves	(150)	(150)	(156)
Balance, end of year	$ 497	$ 503	$ 508