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Pensions And Other Postretirement Benefits (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Sep. 28, 2013
Sep. 29, 2012
Oct. 01, 2011
Defined Benefit Plan Disclosure [Line Items]      
Number of defined benefit plans with accumulated benefit obligations in excess of plan assets 3    
Postretirement medical obligation consisting of fixed annual payments $ 23    
Postretirement medical obligation consisting of payments determined by healthcare cost trend 48    
Healthcare cost trend assumptions 7.60%    
One-percentage point increase in assumed healthcare cost trend 9    
One-percentage point decrease in assumed health care cost trend 5    
Defined benefit pension plan assets 85    
Expected contributions to pension plans for fiscal 2014 8    
Defined benefit plans funding 8 8 7
Heathcare related [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Number of defined benefit plans 3    
Heathcare related [Member] | Fixed Annual [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Number of defined benefit plans 2    
Domestic Pension Benefit Plans [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit pension plan assets 71 69  
Foreign Subsidiary Pension Benefit Plans [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit pension plan assets 14 17  
Minimum [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Expected rate of return on assets assumption years 5    
Maximum [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Expected rate of return on assets assumption years 10    
Qualified [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Accumulated benefit obligation 86 101  
Qualified [Member] | Defined Pension Benefits [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Amounts expected to be reclassified to earnings within next 12 months 2    
Defined benefit pension plan assets 85 86 74
Defined benefit plans funding 6 6  
Non-Qualified [Member] | Defined Pension Benefits [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Amounts expected to be reclassified to earnings within next 12 months 2    
Defined benefit pension plan assets 0 0 0
Defined benefit plans funding 2 2  
Noncontributory [Domain]
     
Defined Benefit Plan Disclosure [Line Items]      
Number of defined benefit plans 4    
Noncontributory [Domain] | Funded [Member] | Qualified [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Number of defined benefit plans 3    
Noncontributory [Domain] | Unfunded [Member] | Non-Qualified [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Number of defined benefit plans 1    
Contributory [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit programs recognized expenses $ 50 $ 47 $ 45