v3.25.2
Retirement Plans - Schedule of Company Contributions (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Defined Benefit Pension Plans        
Defined Benefit Plan Disclosure [Line Items]        
Plans contributions $ 41 $ 31 $ 67 $ 55
Other Postretirement Benefit Plans        
Defined Benefit Plan Disclosure [Line Items]        
Plans contributions $ 2 $ 1 $ 5 $ 2