XML 90 R70.htm IDEA: XBRL DOCUMENT v3.24.0.1
Pensions and Other Postretirement Benefits - Benefit Obligations and Plan Assets (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Change in plan assets:      
Other current liabilities $ (21) $ (20)  
Pension Benefits      
Change in benefit obligations:      
Benefit obligation at beginning of year 2,051 2,777  
Service cost 25 40 $ 43
Interest cost 108 67 55
Actuarial losses (gains) 122 (677)  
Plan amendments 0 (4)  
Benefits paid (155) (152)  
Benefit obligation at end of year 2,151 2,051 2,777
Change in plan assets:      
Fair value of plan assets at beginning of year 2,260 2,861  
Actual return on plan assets 375 (470)  
Employer contributions 23 21  
Benefits paid (155) (152)  
Fair value of plan assets at end of year 2,503 2,260 2,861
Funded status at end of year 352 209  
Other assets 652 484  
Other current liabilities (21) (20)  
Other liabilities (279) (255)  
Net amount recognized 352 209  
Net (gain) loss 574 623  
Prior service benefit (5) (6)  
Other Postretirement Benefits      
Change in benefit obligations:      
Benefit obligation at beginning of year 326 417  
Service cost 4 6 6
Interest cost 17 9 7
Actuarial losses (gains) 1 (70)  
Plan amendments (5) 0  
Benefits paid (33) (36)  
Benefit obligation at end of year 310 326 417
Change in plan assets:      
Fair value of plan assets at beginning of year 122 173  
Actual return on plan assets 21 (28)  
Employer contributions 28 13  
Benefits paid (33) (36)  
Fair value of plan assets at end of year 138 122 $ 173
Funded status at end of year (172) (204)  
Other assets 0 0  
Other current liabilities 0 0  
Other liabilities (172) (204)  
Net amount recognized (172) (204)  
Net (gain) loss (28) (19)  
Prior service benefit $ (156) $ (177)