v3.26.1
Pensions and Other Postretirement Benefits - Schedule of Pension Expenses (Details) - Pension Benefits - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Components of Net Periodic Cost:    
Service Cost $ 1 $ 1
Interest Cost 5 6
Expected Return on Plan Assets (6) (6)
Amortization:    
Actuarial Loss 1 1
Net Periodic Cost $ 1 $ 2