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New Accounting Pronouncements Revenue Recognition (Details)
$ in Millions
12 Months Ended
Feb. 03, 2018
USD ($)
Adjustments for New Accounting Pronouncement [Member] | Accounting Standards Update 2014-09 [Member]  
New Accounting Pronouncements or Change in Accounting Principle [Line Items]  
Cumulative Effect on Retained Earnings, Net of Tax $ 28