XML 89 R71.htm IDEA: XBRL DOCUMENT v3.23.3
Pension Benefit Obligations - Underlying assumptions (Details)
12 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2021
United States      
Weighted-average assumptions to determine benefit obligation:      
Discount rate (as a percent) 5.76% 5.40% 2.46%
Weighted-average assumptions to determine net periodic benefit cost:      
Discount rate (as a percent) 5.40% 2.46% 2.20%
Expected long-term rate of return on plan assets (as a percent) 7.00% 6.25% 6.80%
International      
Weighted-average assumptions to determine benefit obligation:      
Discount rate (as a percent) 5.65% 5.27% 1.98%
Salary increase rate (as a percent) 3.06% 3.48% 3.13%
Weighted-average assumptions to determine net periodic benefit cost:      
Discount rate (as a percent) 5.27% 1.98% 1.67%
Salary increase rate (as a percent) 3.48% 3.13% 2.68%
Expected long-term rate of return on plan assets (as a percent) 6.04% 3.93% 3.95%