Basic and Diluted Weighted Average Common Shares (Reconciliation Of Basic To Diluted Weighted Average Common Shares) (Details) - shares shares in Millions		12 Months Ended
		Jan. 31, 2016	Feb. 01, 2015	Feb. 02, 2014
Reconciliation of Basic to Diluted Weighted Average Common Shares:
Weighted average common shares	[1]	1,277	1,338	1,425
Effect of potentially dilutive securities: Stock plans		6	8	9
Diluted weighted average common shares	[1]	1,283	1,346	1,434

[1] Fiscal years ended January 31, 2016, February 1, 2015 and February 2, 2014 include 52 weeks.