XML 93 R83.htm IDEA: XBRL DOCUMENT v3.24.2
Pension and Postretirement Plans - Components of Net Periodic Benefit Cost (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Defined Benefit Plan Disclosure [Line Items]        
Net actuarial loss (gain)   $ (6)   $ 17
Postretirement Benefits        
Defined Benefit Plan Disclosure [Line Items]        
Interest cost $ 1 1 $ 3 3
Expected return on plan assets (3) (3) (7) (7)
Amortization of prior service credit (1) (1) (4) (3)
Net periodic benefit cost (3) (3) (8) (7)
United States | Pension Plan        
Defined Benefit Plan Disclosure [Line Items]        
Interest cost 20 21 59 62
Expected return on plan assets (30) (34) (90) (101)
Net actuarial loss (gain) 0 (6) 0 17
Settlement loss 0 0 0 1
Net periodic benefit cost (10) (19) (31) (21)
Foreign Plan | Pension Plan        
Defined Benefit Plan Disclosure [Line Items]        
Service cost 4 4 12 11
Interest cost 17 18 51 51
Expected return on plan assets (18) (20) (54) (57)
Net periodic benefit cost $ 3 $ 2 $ 9 $ 5