Restructuring Charges (Schedule Of Pre-Tax Charge And Remaining Costs 2013 Iniatives) (Details) (2013 Initiatives [Member], USD $) In Millions, unless otherwise specified	1 Months Ended
	Oct. 28, 2012
Restructuring Cost and Reserve [Line Items]
Total Program	$ 115
Recognized as of end of period	(43)
Remaining Costs to be Recognized	72
Severance Pay And Benefits [Member]
Restructuring Cost and Reserve [Line Items]
Total Program	25
Recognized as of end of period	(20)
Remaining Costs to be Recognized	5
Asset Impairment/Accelerated Depreciation [Member]
Restructuring Cost and Reserve [Line Items]
Total Program	75
Recognized as of end of period	(21)
Remaining Costs to be Recognized	54
Other Exit Costs [Member]
Restructuring Cost and Reserve [Line Items]
Total Program	15
Recognized as of end of period	(2)
Remaining Costs to be Recognized	$ 13