XML 185 R115.htm IDEA: XBRL DOCUMENT v3.24.3
Benefit Plans Estimated Future Benefit Payments (Details)
$ in Millions
Sep. 30, 2024
USD ($)
Pension Benefits  
Defined Benefit Plan Disclosure  
Defined Benefit Plan, Expected Future Benefit Payments, Next Twelve Months $ 820
Defined Benefit Plan, Expected Future Benefit Payments, Year Two 821
Defined Benefit Plan, Expected Future Benefit Payments, Year Three 821
Defined Benefit Plan, Expected Future Benefit Payments, Year Four 819
Defined Benefit Plan, Expected Future Benefit Payments, Year Five 813
Defined Benefit Plan, Expected Future Benefit Payment, Five Fiscal Years Thereafter 3,917
Other Post-retirement Benefits  
Defined Benefit Plan Disclosure  
Defined Benefit Plan, Expected Future Benefit Payments, Next Twelve Months 20
Defined Benefit Plan, Expected Future Benefit Payments, Year Two 19
Defined Benefit Plan, Expected Future Benefit Payments, Year Three 19
Defined Benefit Plan, Expected Future Benefit Payments, Year Four 19
Defined Benefit Plan, Expected Future Benefit Payments, Year Five 19
Defined Benefit Plan, Expected Future Benefit Payment, Five Fiscal Years Thereafter $ 106