Restructuring Charges (Schedule Of Pre-Tax Charge And Remaining Costs) (Details) (USD $) In Millions, unless otherwise specified	7 Months Ended
	Jan. 29, 2012
Restructuring Cost and Reserve [Line Items]
Total Program	$ 75
Recognized as of end of period	(68)
Remaining Costs to be Recognized	7
Severance Pay And Benefits [Member]
Restructuring Cost and Reserve [Line Items]
Total Program	42
Recognized as of end of period	(39)
Remaining Costs to be Recognized	3
Asset Impairment/Accelerated Depreciation [Member]
Restructuring Cost and Reserve [Line Items]
Total Program	23
Recognized as of end of period	(23)
Remaining Costs to be Recognized	0
Other Exit Costs [Member]
Restructuring Cost and Reserve [Line Items]
Total Program	10
Recognized as of end of period	(6)
Remaining Costs to be Recognized	$ 4