XML 119 R97.htm IDEA: XBRL DOCUMENT v3.19.3
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
 12 Months Ended
Sep. 28, 2019
Sep. 29, 2018
Sep. 30, 2017
Other Postretirement Benefits Plan [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Service cost $ 2 $ 1 $ 1
Interest cost 1 1 1
Expected return on plan assets 0 0 0
Amortization of prior service cost (2) (25) (25)
Recognized actuarial loss (gain), net 5 (5) (1)
Recognized settlement loss (gain) 0 0 0
Net periodic benefit (credit) cost 6 (28) (24)
Funded Plan [Member] | Qualified Plan [Member] | Pension Plan [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Service cost 0 0 2
Interest cost 56 55 57
Expected return on plan assets (57) (62) (59)
Amortization of prior service cost 0 1 0
Recognized actuarial loss (gain), net (1) 0 1
Recognized settlement loss (gain) 19 0 2
Net periodic benefit (credit) cost 17 (6) 3
Unfunded Plan [Member] | Nonqualified Plan [Member] | Pension Plan [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Service cost 1 7 11
Interest cost 9 8 8
Expected return on plan assets 0 0 0
Amortization of prior service cost 1 1 0
Recognized actuarial loss (gain), net 2 3 6
Recognized settlement loss (gain) 0 0 0
Net periodic benefit (credit) cost $ 13 $ 19 $ 25