Revenue (Impact Of New Revenue Guidance) (Details) - USD ($) $ in Millions	May 05, 2018	Feb. 03, 2018	Apr. 29, 2017
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Merchandise inventories	$ 2,120	$ 2,027	$ 2,160
Prepaid expenses and other	291	150	147
Other assets	317	435	492
Other current liabilities	1,307	1,246	1,225
Other liabilities	516	673	688
Accumulated deficit	(1,738)	$ (1,810)	$ (1,999)
Revenue Guidance Adjustment [Member]
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Merchandise inventories	52
Prepaid expenses and other	(153)
Other assets	94
Other current liabilities	(101)
Other liabilities	159
Accumulated deficit	(65)
Excluding Impact of Revenue Guidance [Member]
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Merchandise inventories	2,172
Prepaid expenses and other	138
Other assets	411
Other current liabilities	1,206
Other liabilities	675
Accumulated deficit	$ (1,803)