Derivative Financial Instruments - Foreign Exchange Contracts Outstanding to Sell Various Currencies (Details) - USD ($) $ in Millions	Oct. 28, 2017	Jan. 28, 2017	Oct. 29, 2016
Derivative [Line Items]
Derivative, Notional Amount	$ 1,484	$ 1,750	$ 1,896
Derivatives in cash flow hedging relationships
Derivative [Line Items]
Derivative, Notional Amount	873	1,101	1,201
Derivatives in net investment hedging relationships
Derivative [Line Items]
Derivative, Notional Amount	30	31	31
Not Designated as Hedging Instrument
Derivative [Line Items]
Derivative, Notional Amount	$ 581	$ 618	$ 664