Income Taxes (Details Textual) - USD ($) $ in Millions	12 Months Ended
	Feb. 03, 2017	Jan. 29, 2016
Components of Deferred Tax Assets
Impairment of equity method investment	$ 381	$ 270
Components of Income Tax Provision
Reduction to net deferred tax assets as a result of newly enacted guidance	33
Undistributed Earnings of International Subsidiaries
Undistributed earnings of international subsidiaries	163	153
Income Taxes
Deferred tax assets cumulative valuation allowance recorded	578	447
Foreign Country [Member]
Net Operating Loss Carryforwards
Cumulative net operating losses	640	580
Income Taxes
Deferred tax assets cumulative valuation allowance recorded	$ 197	$ 177
Foreign Country [Member] | Earliest Tax Year [Member]
Net Operating Loss Carryforwards
Range of expiration dates of net operating losses	Dec. 31, 2017
Foreign Country [Member] | Latest Tax Year [Member]
Net Operating Loss Carryforwards
Range of expiration dates of net operating losses	Dec. 31, 2036