v3.26.1
Postretirement Benefits (Details)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
USD ($)
Jun. 30, 2026
USD ($)
Defined Benefit Plan Disclosure    
Expected full year contributions to pension and other postretirement benefit plans during the year $ 360 $ 360
Pension Benefits    
Defined Benefit Plan Disclosure    
Contributions to pension and other postretirement benefit plans $ 64 $ 282