XML 115 R100.htm IDEA: XBRL DOCUMENT v3.23.3
Pension and Other Benefit Programs - Estimated Future Benefit Payments (Detail)
$ in Millions
Sep. 30, 2023
USD ($)
Pension Plans  
Defined Benefit Plan Disclosure [Line Items]  
2024 $ 768
2025 776
2026 822
2027 866
2028 911
2029 – 2033 5,132
Postretirement Medical Plans  
Defined Benefit Plan Disclosure [Line Items]  
2024 56 [1]
2025 55 [1]
2026 59 [1]
2027 62 [1]
2028 64 [1]
2029 – 2033 $ 356 [1]
[1] Estimated future benefit payments are net of expected Medicare subsidy receipts of $39 million.