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Pensions And Other Postretirement Benefits (Amounts Recognized In The Consolidated Balance Sheets) (Details) - USD ($)
$ in Millions
Oct. 01, 2022
Oct. 02, 2021
Other Postretirement Benefits Plan [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Assets for Plan Benefits, Defined Benefit Plan $ 0 $ 0
Liability, Defined Benefit Plan, Current (3) (3)
Liability, Defined Benefit Plan, Noncurrent (52) (62)
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position (55) (65)
Defined Benefit Plan, Funded Plan | Qualified Plan | Pension Plan [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Assets for Plan Benefits, Defined Benefit Plan 7 5
Liability, Defined Benefit Plan, Current 0 0
Liability, Defined Benefit Plan, Noncurrent 0 0
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position 7 5
Defined Benefit Plan, Unfunded Plan | Nonqualified Plan | Pension Plan [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Assets for Plan Benefits, Defined Benefit Plan 0 0
Liability, Defined Benefit Plan, Current (13) (13)
Liability, Defined Benefit Plan, Noncurrent (153) (207)
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position $ (166) $ (220)