XML 57 R45.htm IDEA: XBRL DOCUMENT v3.10.0.1
Income Taxes (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended 12 Months Ended
Aug. 04, 2018
Jul. 29, 2017
Aug. 04, 2018
Jul. 29, 2017
Feb. 03, 2018
Effective Income Tax Rate, Continuing Operations 23.20% 36.00% 21.70% 30.60%  
U.S. Federal Statutory Rate before Tax Cuts and Jobs Act         35.00%
U.S. Federal Statutory Tax Rate after Tax Cuts and Jobs Act     21.00%    
Income Taxes Paid $ 255 $ 305 $ 266 $ 320