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Restructuring Charges Restructuring Charges (Schedule Of Pre-Tax Charges And Remaining Costs 2011 Iniative) (Details) (2011 Initiatives [Member], USD $)
In Millions, unless otherwise specified
22 Months Ended
Apr. 28, 2013
Restructuring Cost and Reserve [Line Items]  
Total Program $ 74
Recognized as of end of period (73)
Remaining Costs to be Recognized 1
Severance Pay And Benefits [Member]
 
Restructuring Cost and Reserve [Line Items]  
Total Program 41
Recognized as of end of period (41)
Remaining Costs to be Recognized   
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   
Other Restructuring [Member]
 
Restructuring Cost and Reserve [Line Items]  
Total Program 10
Recognized as of end of period (9)
Remaining Costs to be Recognized $ 1