Annual report [Section 13 and 15(d), not S-K Item 405]

Employee Benefit Plans - Pension and Postretirement Plans (Details)

v3.25.0.1
Employee Benefit Plans - Pension and Postretirement Plans (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Change in fair value of plan assets      
Fair value, January 1 $ 19,655    
Fair value, December 31 19,280 $ 19,655  
U.S. | Postretirement Health and Life Plans      
Change in fair value of plan assets      
Fair value, January 1 98 107  
Actual return on plan assets 4 5  
Company contributions 16 43  
Plan participant contributions 106 102  
Settlements and curtailments 0 0  
Benefits paid (136) (159)  
Fair value, December 31 88 98 $ 107
Change in projected benefit obligation      
Projected benefit obligation, January 1 672 700  
Service cost 2 2 4
Interest cost 33 36 25
Plan participant contributions 106 102  
Plan amendments 0 0  
Settlements and curtailments 0 0  
Actuarial loss (gain) (37) (9)  
Benefits paid (136) (160)  
Foreign currency exchange rate changes 0 1  
Projected benefit obligation, December 31 640 672 700
Amounts recognized on Consolidated Balance Sheet      
Other assets 0 0  
Accrued expenses and other liabilities (552) (574)  
Net amount recognized, December 31 (552) (574)  
Funded status, December 31      
Projected benefit obligation $ 640 $ 672 700
Weighted-average assumptions, December 31      
Discount rate 5.78% 5.17%  
U.S. | Qualified | Pension Plan      
Change in fair value of plan assets      
Fair value, January 1 $ 17,632 $ 17,258  
Actual return on plan assets 984 1,436  
Company contributions 0 0  
Plan participant contributions 0 0  
Settlements and curtailments 0 0  
Benefits paid (992) (1,062)  
Fair value, December 31 17,624 17,632 17,258
Change in projected benefit obligation      
Projected benefit obligation, January 1 11,769 11,580  
Service cost 0 0 0
Interest cost 587 616 438
Plan participant contributions 0 0  
Plan amendments 0 0  
Settlements and curtailments 0 0  
Actuarial loss (gain) (259) 635  
Benefits paid (992) (1,062)  
Projected benefit obligation, December 31 11,105 11,769 11,580
Amounts recognized on Consolidated Balance Sheet      
Other assets 6,519 5,863  
Accrued expenses and other liabilities 0 0  
Net amount recognized, December 31 6,519 5,863  
Funded status, December 31      
Accumulated benefit obligation 11,105 11,769  
Overfunded (unfunded) status of ABO 6,519 5,863  
Provision for future salaries 0 0  
Projected benefit obligation $ 11,105 $ 11,769 11,580
Weighted-average assumptions, December 31      
Discount rate 5.67% 5.13%  
Interest-crediting rate 5.42% 5.43%  
U.S. | Nonqualified | Other Pension Plan      
Change in fair value of plan assets      
Fair value, January 1 $ 1,849 $ 1,886  
Actual return on plan assets 33 103  
Company contributions 80 80  
Plan participant contributions 0 0  
Settlements and curtailments 0 0  
Benefits paid (223) (220)  
Fair value, December 31 1,739 1,849 1,886
Change in projected benefit obligation      
Projected benefit obligation, January 1 2,092 2,109  
Service cost 0 0 0
Interest cost 103 111 74
Plan participant contributions 0 0  
Plan amendments 0 0  
Settlements and curtailments 0 0  
Actuarial loss (gain) (6) 92  
Benefits paid (223) (220)  
Projected benefit obligation, December 31 1,966 2,092 2,109
Amounts recognized on Consolidated Balance Sheet      
Other assets 431 452  
Accrued expenses and other liabilities (658) (695)  
Net amount recognized, December 31 (227) (243)  
Funded status, December 31      
Accumulated benefit obligation 1,966 2,091  
Overfunded (unfunded) status of ABO (227) (242)  
Provision for future salaries 0 1  
Projected benefit obligation $ 1,966 $ 2,092 2,109
Weighted-average assumptions, December 31      
Discount rate 5.61% 5.19%  
Rate of compensation increase 4.00% 4.00%  
Interest-crediting rate 4.73% 4.91%  
Non-U.S. | Pension Plan      
Change in fair value of plan assets      
Fair value, January 1 $ 1,779 $ 1,728  
Actual return on plan assets (103) 17  
Company contributions 24 28  
Plan participant contributions 1 1  
Settlements and curtailments (1) (12)  
Benefits paid (77) (80)  
Foreign currency exchange rate changes (43) 97  
Fair value, December 31 1,580 1,779 1,728
Change in projected benefit obligation      
Projected benefit obligation, January 1 1,974 1,752  
Service cost 31 27 29
Interest cost 86 80 53
Plan participant contributions 1 1  
Plan amendments (9) 4  
Settlements and curtailments (1) (12)  
Actuarial loss (gain) (185) 121  
Benefits paid (77) (80)  
Foreign currency exchange rate changes (51) 81  
Projected benefit obligation, December 31 1,769 1,974 1,752
Amounts recognized on Consolidated Balance Sheet      
Other assets 234 235  
Accrued expenses and other liabilities (423) (430)  
Net amount recognized, December 31 (189) (195)  
Funded status, December 31      
Accumulated benefit obligation 1,696 1,903  
Overfunded (unfunded) status of ABO (116) (124)  
Provision for future salaries 73 71  
Projected benefit obligation $ 1,769 $ 1,974 $ 1,752
Weighted-average assumptions, December 31      
Discount rate 5.15% 4.48%  
Rate of compensation increase 4.35% 4.33%  
Interest-crediting rate 2.08% 1.98%