v3.25.4
Pension And Postretirement Benefits (Estimated Future Benefit Payments) (Details)
$ in Millions
Dec. 31, 2025
USD ($)
Pension Benefits  
Defined Benefit Plan Disclosure [Line Items]  
2026 $ 3,460
2027 2,955
2028 2,893
2029 2,830
2030 2,765
Years 2031 - 2035 12,516
Postretirement Benefits  
Defined Benefit Plan Disclosure [Line Items]  
2026 664
2027 641
2028 623
2029 520
2030 538
Years 2031 - 2035 $ 2,536