Annual report pursuant to Section 13 and 15(d)

Income Taxes (Reconciliation of the Statutory Federal Income Tax Rate) (Details)

v3.6.0.2
Income Taxes (Reconciliation of the Statutory Federal Income Tax Rate) (Details) - USD ($)
$ in Millions
12 Months Ended
Jan. 28, 2017
Jan. 30, 2016
Jan. 31, 2015
Income Tax Disclosure [Abstract]      
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount $ 1 $ (176) $ (243)
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount (2) (21) (29)
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount (1) 185 290
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount 3 21 5
Income tax expense/(benefit) $ 1 $ 9 $ 23