Restructuring Charges and Cost Savings Initiatives (Schedule Of Restructuring Activity And Related Reserves) (Details) - 2015 Initiatives [Member] - USD ($) $ in Millions		3 Months Ended		12 Months Ended
		Nov. 01, 2015		Aug. 02, 2015
Restructuring Reserve [Roll Forward]
Restructuring charges		$ 36
Severance Pay And Benefits [Member]
Restructuring Reserve [Roll Forward]
Accrued Balance at beginning of period	[1]	85
Restructuring charges		21
Cash Payments		(9)
Accrued Balance at end of period		97	[2]	$ 85	[1]
Restructuring Reserve, Noncurrent		39		45
Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Accrued Balance at beginning of period		8
Restructuring charges		0
Cash Payments		(8)
Accrued Balance at end of period		0		8
General and Administrative Expense [Member] | Other Cost Savings Implementation Costs [Member]
Restructuring Reserve [Roll Forward]
Restructuring charges		$ 15	[3]	$ 22

[1] Includes $45 of severance pay and benefits recorded in Other liabilities in the Consolidated Balance Sheet

[2] Includes $39 of severance pay and benefits recorded in Other liabilities in the Consolidated Balance Sheet.

[3] Includes other costs recognized as incurred that are not reflected in the restructuring reserve in the Consolidated Balance Sheet. The costs are included in Administrative expenses in the Consolidated Statements of Earnings.