Fair Value Measurements (Fair Value, Assets And Liabilities Measured On Recurring Basis) (Details) - USD ($) $ in Millions	Nov. 03, 2018	Feb. 03, 2018	Oct. 28, 2017
Assets:
Cash and Cash Equivalents	$ 348	$ 1,515	$ 735
Available-for-sale Securities	9	17	6
Foreign Currency Cash Flow Hedge Asset at Fair Value	3		15
Interest Rate Fair Value Hedges			1
Liabilities:
Foreign Currency Cash Flow Hedge Liability at Fair Value		9	4
Fair Value, Inputs, Level 1 [Member]
Assets:
Cash and Cash Equivalents	348	1,515	735
Available-for-sale Securities	9	17	6
Foreign Currency Cash Flow Hedge Asset at Fair Value	0		0
Interest Rate Fair Value Hedges			0
Liabilities:
Foreign Currency Cash Flow Hedge Liability at Fair Value		0	0
Fair Value, Inputs, Level 2 [Member]
Assets:
Cash and Cash Equivalents	0	0	0
Available-for-sale Securities	0	0	0
Foreign Currency Cash Flow Hedge Asset at Fair Value	3		15
Interest Rate Fair Value Hedges			1
Liabilities:
Foreign Currency Cash Flow Hedge Liability at Fair Value		9	4
Fair Value, Inputs, Level 3 [Member]
Assets:
Cash and Cash Equivalents	0	0	0
Available-for-sale Securities	0	0	0
Foreign Currency Cash Flow Hedge Asset at Fair Value	$ 0		0
Interest Rate Fair Value Hedges			0
Liabilities:
Foreign Currency Cash Flow Hedge Liability at Fair Value		$ 0	$ 0