XML 69 R67.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Pension and Other Postretirement Benefit Plans (Details) - USD ($)
$ in Millions
 3 Months Ended
Dec. 28, 2019
Dec. 29, 2018
Pension Plan [Member]    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Service cost $ 0 $ 1
Interest cost 10 16
Expected return on plan assets (9) (14)
Amortization of Net actuarial loss 1 0
Amortization of prior service credit 0 0
Settlement loss 0 19
Net periodic cost (credit) 2 22
Other Postretirement Benefits Plan [Member]    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Interest cost 0 0
Amortization of prior service credit 0 (4)
Net periodic cost (credit) $ 0 $ (4)