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

Employee Benefit Plans - Pension and Postretirement Plans (Details)

v3.25.4
Employee Benefit Plans - Pension and Postretirement Plans (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Change in fair value of plan assets      
Fair value, January 1 $ 19,280    
Fair value, December 31 19,966 $ 19,280  
U.S. | Postretirement Health and Life Plans      
Change in fair value of plan assets      
Fair value, January 1 88 98  
Actual return on plan assets 4 4  
Company contributions 36 16  
Plan participant contributions 115 106  
Settlements and curtailments 0 0  
Benefits paid (153) (136)  
Fair value, December 31 90 88 $ 98
Change in projected benefit obligation      
Projected benefit obligation, January 1 640 672  
Service cost 2 2 2
Interest cost 35 33 36
Plan participant contributions 115 106  
Plan amendments 0 0  
Settlements and curtailments 0 0  
Actuarial loss (gain) 3 (37)  
Benefits paid (153) (136)  
Foreign currency exchange rate changes 2 0  
Projected benefit obligation, December 31 644 640 672
Amounts recognized on Consolidated Balance Sheet      
Other assets 0 0  
Accrued expenses and other liabilities (554) (552)  
Net amount recognized, December 31 (554) (552)  
Funded status, December 31      
Projected benefit obligation $ 644 $ 640 672
Weighted-average assumptions, December 31      
Discount rate 5.53% 5.78%  
U.S. | Qualified | Pension Plan      
Change in fair value of plan assets      
Fair value, January 1 $ 17,624 $ 17,632  
Actual return on plan assets 1,894 984  
Company contributions 0 0  
Plan participant contributions 0 0  
Settlements and curtailments 0 0  
Benefits paid (1,096) (992)  
Fair value, December 31 18,422 17,624 17,632
Change in projected benefit obligation      
Projected benefit obligation, January 1 11,105 11,769  
Service cost 0 0 0
Interest cost 608 587 616
Plan participant contributions 0 0  
Plan amendments 0 0  
Settlements and curtailments 0 0  
Actuarial loss (gain) 348 (259)  
Benefits paid (1,096) (992)  
Projected benefit obligation, December 31 10,965 11,105 11,769
Amounts recognized on Consolidated Balance Sheet      
Other assets 7,457 6,519  
Accrued expenses and other liabilities 0 0  
Net amount recognized, December 31 7,457 6,519  
Funded status, December 31      
Accumulated benefit obligation 10,965 11,105  
Overfunded (unfunded) status of ABO 7,457 6,519  
Provision for future salaries 0 0  
Projected benefit obligation $ 10,965 $ 11,105 11,769
Weighted-average assumptions, December 31      
Discount rate 5.48% 5.67%  
Interest-crediting rate 5.41% 5.42%  
U.S. | Nonqualified | Other Pension Plan      
Change in fair value of plan assets      
Fair value, January 1 $ 1,739 $ 1,849  
Actual return on plan assets 118 33  
Company contributions 79 80  
Plan participant contributions 0 0  
Settlements and curtailments 0 0  
Benefits paid (217) (223)  
Fair value, December 31 1,719 1,739 1,849
Change in projected benefit obligation      
Projected benefit obligation, January 1 1,966 2,092  
Service cost 0 0 0
Interest cost 104 103 111
Plan participant contributions 0 0  
Plan amendments 0 0  
Settlements and curtailments 0 0  
Actuarial loss (gain) 68 (6)  
Benefits paid (217) (223)  
Projected benefit obligation, December 31 1,921 1,966 2,092
Amounts recognized on Consolidated Balance Sheet      
Other assets 448 431  
Accrued expenses and other liabilities (650) (658)  
Net amount recognized, December 31 (202) (227)  
Funded status, December 31      
Accumulated benefit obligation 1,921 1,966  
Overfunded (unfunded) status of ABO (202) (227)  
Provision for future salaries 0 0  
Projected benefit obligation $ 1,921 $ 1,966 2,092
Weighted-average assumptions, December 31      
Discount rate 5.29% 5.61%  
Rate of compensation increase 4.00% 4.00%  
Interest-crediting rate 4.61% 4.73%  
Non-U.S. | Pension Plan      
Change in fair value of plan assets      
Fair value, January 1 $ 1,580 $ 1,779  
Actual return on plan assets 48 (103)  
Company contributions 30 24  
Plan participant contributions 2 1  
Settlements and curtailments (1) (1)  
Benefits paid (88) (77)  
Foreign currency exchange rate changes 118 (43)  
Fair value, December 31 1,689 1,580 1,779
Change in projected benefit obligation      
Projected benefit obligation, January 1 1,769 1,974  
Service cost 36 31 27
Interest cost 92 86 80
Plan participant contributions 2 1  
Plan amendments 3 (9)  
Settlements and curtailments (1) (1)  
Actuarial loss (gain) (33) (185)  
Benefits paid (88) (77)  
Foreign currency exchange rate changes 115 (51)  
Projected benefit obligation, December 31 1,895 1,769 1,974
Amounts recognized on Consolidated Balance Sheet      
Other assets 245 234  
Accrued expenses and other liabilities (451) (423)  
Net amount recognized, December 31 (206) (189)  
Funded status, December 31      
Accumulated benefit obligation 1,811 1,696  
Overfunded (unfunded) status of ABO (122) (116)  
Provision for future salaries 84 73  
Projected benefit obligation $ 1,895 $ 1,769 $ 1,974
Weighted-average assumptions, December 31      
Discount rate 5.14% 5.15%  
Rate of compensation increase 4.03% 4.35%  
Interest-crediting rate 2.31% 2.08%