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Pensions And Other Postretirement Benefits (Components Of Net Periodic Benefit Cost For Pension And Postretirement Benefit Plans Recognized In The Consolidated Statements Of Income) (Details) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Sep. 28, 2013
Sep. 29, 2012
Oct. 01, 2011
Defined Pension Benefits [Member] | Qualified [Member]
      
Defined Benefit Plan Disclosure [Line Items]      
Service cost $ 0 $ 0 $ 0
Interest cost 4 4 5
Expected return on plan assets (5) (6) (6)
Amortization of prior service cost 0 0 0
Recognized actuarial loss, net 4 3 3
Net periodic benefit cost 3 1 2
Defined Pension Benefits [Member] | Non-Qualified [Member]
      
Defined Benefit Plan Disclosure [Line Items]      
Service cost 5 5 3
Interest cost 3 3 2
Expected return on plan assets 0 0 0
Amortization of prior service cost 1 1 1
Recognized actuarial loss, net 3 1 0
Net periodic benefit cost 12 10 6
Other Postretirement Benefits [Member]
      
Defined Benefit Plan Disclosure [Line Items]      
Service cost 2 1 0
Interest cost 2 2 2
Expected return on plan assets 0 0 0
Amortization of prior service cost (1) (1) (1)
Recognized actuarial loss, net 7 24 1
Net periodic benefit cost $ 10 $ 26 $ 2