XML 91 R73.htm IDEA: XBRL DOCUMENT v3.8.0.1
Weighted Average Common Shares (Reconciliation of Basic to Diluted Weighted Average Common Shares) (Details) - shares
shares in Millions
12 Months Ended
Jan. 28, 2018
Jan. 29, 2017
Jan. 31, 2016
Reconciliation of Basic to Diluted Weighted Average Common Shares:      
Basic weighted average common shares 1,178 1,229 1,277
Effect of potentially dilutive securities 6 5 6
Diluted weighted average common shares 1,184 1,234 1,283