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Discontinued Operations (Details) - Canada Exit - USD ($)
$ in Millions
Apr. 30, 2016
Jan. 30, 2016
May. 02, 2015
Assets and Liabilities of Discontinued Operations      
Income tax benefit $ 83 $ 77 $ 265
Receivables from Canada Subsidiaries 352 320 342
Total 435 397 607
Accrued liabilities 186 171 271
Total liabilities $ 186 $ 171 $ 271