XML 99 R89.htm IDEA: XBRL DOCUMENT v3.24.3
Pension and Other Post-Retirement Benefits - Schedule of Net Benefit Costs (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Pension Benefits        
Components of net periodic pension expense (credit)        
Interest cost $ 1 $ 1 $ 3 $ 4
Expected return on plan assets (4) (4) (12) (11)
Amortization of net actuarial loss 1 2 3 5
Net periodic (credit) expense (2) (1) (6) (2)
Post- Retirement Benefits        
Components of net periodic pension expense (credit)        
Interest cost 0 0 0 0
Expected return on plan assets 0 0 0 0
Amortization of net actuarial loss 0 0 0 0
Net periodic (credit) expense $ 0 $ 0 $ 0 $ 0