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Pensions And Other Postretirement Benefits (Amounts Recognized In The Consolidated Balance Sheets) (Details) - USD ($)
$ in Millions
Oct. 03, 2015
Sep. 27, 2014
Funded Qualified Pension Plan [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Other current liabilities $ 0 $ 0
Other liabilities (209) (202)
Pension and Other Postretirement Defined Benefit Plans, Liabilities (209) (202)
Unfunded Non-Qualified Pension Plan [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Other current liabilities (9) (5)
Other liabilities (192) (174)
Pension and Other Postretirement Defined Benefit Plans, Liabilities (201) (179)
Other Postretirement Benefit Plan [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Other current liabilities (20) (7)
Other liabilities (94) (156)
Pension and Other Postretirement Defined Benefit Plans, Liabilities $ (114) $ (163)