XML 170 R91.htm IDEA: XBRL DOCUMENT v3.21.2
Employee Retirement Plans - Expected Payments for Pension Benefits and Other Postretirement Welfare Benefits (Details) - Pension Benefits
$ in Millions
Sep. 30, 2021
USD ($)
Defined Benefit Plan Disclosure [Line Items]  
Fiscal 2022 $ 36
Fiscal 2023 36
Fiscal 2024 41
Fiscal 2025 41
Fiscal 2026 43
Fiscal 2027 - 2031 $ 230