v3.25.0.1
Pension Plans and Other Postretirement Benefits - Defined Benefit Plans Expected Benefit (Details)
$ in Millions
Dec. 31, 2024
USD ($)
Pension Plan  
Defined Benefit Plan Disclosure [Line Items]  
2025 $ 389
2026 384
2027 380
2028 380
2029 371
2030-2034 1,712
Other Postretirement Benefits  
Defined Benefit Plan Disclosure [Line Items]  
2025 12
2026 12
2027 12
2028 12
2029 12
2030-2034 $ 59