Annual report pursuant to Section 13 and 15(d)

Employee Benefit Plans - Pension and Postretirement Plans (Details)

v3.24.0.1
Employee Benefit Plans - Pension and Postretirement Plans (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Change in fair value of plan assets      
Fair value, January 1 $ 19,123    
Fair value, December 31 19,655 $ 19,123  
U.S. | Postretirement Health and Life Plans      
Change in fair value of plan assets      
Fair value, January 1 107 117  
Actual return on plan assets 5 2  
Company contributions (withdrawals) 43 45  
Plan participant contributions 102 104  
Settlements and curtailments 0 0  
Benefits paid (159) (161)  
Federal subsidy on benefits paid 0 0  
Fair value, December 31 98 107 $ 117
Change in projected benefit obligation      
Projected benefit obligation, January 1 700 928  
Service cost 2 4 5
Interest cost 36 25 24
Plan participant contributions 102 104  
Plan amendments 0 0  
Settlements and curtailments 0 0  
Actuarial loss (gain) (9) (198)  
Benefits paid (160) (161)  
Federal subsidy on benefits paid 0 0  
Foreign currency exchange rate changes 1 (2)  
Projected benefit obligation, December 31 672 700 928
Amounts recognized on Consolidated Balance Sheet      
Other assets 0 0  
Accrued expenses and other liabilities (574) (593)  
Net amount recognized, December 31 (574) (593)  
Funded status, December 31      
Projected benefit obligation $ 672 $ 700 928
Weighted-average assumptions, December 31      
Discount rate 5.17% 5.56%  
U.S. | Qualified | Pension Plan      
Change in fair value of plan assets      
Fair value, January 1 $ 17,258 $ 22,078  
Actual return on plan assets 1,436 (3,896)  
Company contributions (withdrawals) 0 0  
Plan participant contributions 0 0  
Settlements and curtailments 0 0  
Benefits paid (1,062) (924)  
Fair value, December 31 17,632 17,258 22,078
Change in projected benefit obligation      
Projected benefit obligation, January 1 11,580 15,676  
Service cost 0 0 0
Interest cost 616 438 414
Plan participant contributions 0 0  
Plan amendments 0 0  
Settlements and curtailments 0 0  
Actuarial loss (gain) 635 (3,610)  
Benefits paid (1,062) (924)  
Projected benefit obligation, December 31 11,769 11,580 15,676
Amounts recognized on Consolidated Balance Sheet      
Other assets 5,863 5,678  
Accrued expenses and other liabilities 0 0  
Net amount recognized, December 31 5,863 5,678  
Funded status, December 31      
Accumulated benefit obligation 11,769 11,580  
Overfunded (unfunded) status of ABO 5,863 5,678  
Provision for future salaries 0 0  
Projected benefit obligation $ 11,769 $ 11,580 15,676
Weighted-average assumptions, December 31      
Discount rate 5.13% 5.54%  
Interest-crediting rate 5.43% 5.36%  
U.S. | Nonqualified | Other Pension Plan      
Change in fair value of plan assets      
Fair value, January 1 $ 1,886 $ 2,585  
Actual return on plan assets 103 (332)  
Company contributions (withdrawals) 80 (135)  
Plan participant contributions 0 0  
Settlements and curtailments 0 (6)  
Benefits paid (220) (226)  
Fair value, December 31 1,849 1,886 2,585
Change in projected benefit obligation      
Projected benefit obligation, January 1 2,109 2,753  
Service cost 0 0 0
Interest cost 111 74 67
Plan participant contributions 0 0  
Plan amendments 0 0  
Settlements and curtailments 0 (6)  
Actuarial loss (gain) 92 (486)  
Benefits paid (220) (226)  
Projected benefit obligation, December 31 2,092 2,109 2,753
Amounts recognized on Consolidated Balance Sheet      
Other assets 452 495  
Accrued expenses and other liabilities (695) (718)  
Net amount recognized, December 31 (243) (223)  
Funded status, December 31      
Accumulated benefit obligation 2,091 2,109  
Overfunded (unfunded) status of ABO (242) (223)  
Provision for future salaries 1 0  
Projected benefit obligation $ 2,092 $ 2,109 2,753
Weighted-average assumptions, December 31      
Discount rate 5.19% 5.58%  
Rate of compensation increase 4.00% 4.00%  
Interest-crediting rate 4.91% 4.69%  
Non-U.S. | Pension Plan      
Change in fair value of plan assets      
Fair value, January 1 $ 1,728 $ 3,031  
Actual return on plan assets 17 (898)  
Company contributions (withdrawals) 28 30  
Plan participant contributions 1 1  
Settlements and curtailments (12) (51)  
Benefits paid (80) (62)  
Foreign currency exchange rate changes 97 (323)  
Fair value, December 31 1,779 1,728 3,031
Change in projected benefit obligation      
Projected benefit obligation, January 1 1,752 3,116  
Service cost 27 29 28
Interest cost 80 53 45
Plan participant contributions 1 1  
Plan amendments 4 3  
Settlements and curtailments (12) (51)  
Actuarial loss (gain) 121 (1,054)  
Benefits paid (80) (62)  
Foreign currency exchange rate changes 81 (283)  
Projected benefit obligation, December 31 1,974 1,752 3,116
Amounts recognized on Consolidated Balance Sheet      
Other assets 235 370  
Accrued expenses and other liabilities (430) (394)  
Net amount recognized, December 31 (195) (24)  
Funded status, December 31      
Accumulated benefit obligation 1,903 1,694  
Overfunded (unfunded) status of ABO (124) 34  
Provision for future salaries 71 58  
Projected benefit obligation $ 1,974 $ 1,752 $ 3,116
Weighted-average assumptions, December 31      
Discount rate 4.48% 4.59%  
Rate of compensation increase 4.33% 4.25%  
Interest-crediting rate 1.98% 2.03%