Derivative Financial Instruments - Foreign Exchange Contracts Outstanding to Sell Various Currencies (Details) - USD ($) $ in Millions	Aug. 04, 2018	Feb. 03, 2018	Jul. 29, 2017
Derivative [Line Items]
Derivative, Notional Amount	$ 1,698	$ 1,322	$ 1,792
Derivatives in cash flow hedging relationships
Derivative [Line Items]
Derivative, Notional Amount	1,052	745	1,146
Derivatives in net investment hedging relationships
Derivative [Line Items]
Derivative, Notional Amount	0	0	30
Not Designated as Hedging Instrument
Derivative [Line Items]
Derivative, Notional Amount	$ 646	$ 577	$ 616