XML 79 R65.htm IDEA: XBRL DOCUMENT v3.25.1
PENSION AND OTHER POSTRETIREMENT BENEFIT PROGRAMS - Net Periodic Benefit Cost Relating to Pension and Other Postemployment Employee Benefit Plans (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Pension benefits    
Net periodic benefit cost    
Service cost $ 3 $ 6
Interest cost 34 45
Expected return on plan assets (44) (59)
Amortization of net losses and prior service costs 1 4
Net periodic pension cost (income) (6) (4)
OPEB    
Net periodic benefit cost    
Interest cost 2 2
Amortization of net losses and prior service costs (4) (5)
Net periodic pension cost (income) $ (2) $ (3)