XML 115 R74.htm IDEA: XBRL DOCUMENT v3.3.1.900
Canada Exit - Schedule of Pretax Exit Costs (Details) - Canada Exit - USD ($)
$ in Millions
 12 Months Ended
Jan. 15, 2015
Jan. 30, 2016
Jan. 31, 2015
Feb. 01, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Investment impairment   $ 6 $ 4,766  
Contingent liabilities   62 240  
Other exit costs   61 99  
Total $ 5,105 $ 129 $ 5,105 $ 0