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New Accounting Pronouncements Deferred Income Taxes (Details) - USD ($)
$ in Millions
Jan. 30, 2016
Jan. 31, 2015
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Deferred Income Taxes and Other Assets, Current $ 35 $ 33
Deferred Income Tax Assets, Net 8 8
Deferred Income Tax Liabilities, Net $ 27 $ 25