v3.25.4
Pension And Other Postretirement Benefits (Long-Term Rates Of Pension And Other Postretirement Benefits) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Defined Benefit Plan Disclosure [Line Items]      
Total recorded in other comprehensive income $ (1,394) $ (784) $ 504
Other Postretirement Benefits      
Defined Benefit Plan Disclosure [Line Items]      
Discount rate (percent) 5.80% 5.30% 5.60%
Long-term rate of return on funded assets (percent) 5.30% 6.00% 4.70%
Long-term rate of compensation increase (percent) 4.00% 4.50% 4.50%
Service cost $ 75 $ 81 $ 78
Interest cost 262 250 276
Expected return on plan assets (16) (20) (14)
Amortization of actuarial loss/(gain) (103) (103) (122)
Amortization of prior service cost (62) (63) (42)
Net pension enhancement and curtailment/settlement cost (1) 0 0
Net periodic benefit cost 155 145 176
Net actuarial loss/(gain) 32 (81) 154
Amortization of actuarial (loss)/gain 103 103 122
Prior service cost/(credit) 0 (8) (312)
Amortization of prior service (cost)/credit 63 63 42
Foreign exchange rate changes (8) 9 (2)
Total recorded in other comprehensive income 190 86 4
Total recorded in net periodic benefit cost and other comprehensive income, before tax 345 231 180
Pension Benefits - U.S.      
Defined Benefit Plan Disclosure [Line Items]      
Total recorded in other comprehensive income $ (522) $ (82) $ (141)
Pension Benefits - U.S. | Pension Plans, Defined Benefit      
Defined Benefit Plan Disclosure [Line Items]      
Discount rate (percent) 5.70% 5.30% 5.60%
Long-term rate of return on funded assets (percent) 6.00% 6.80% 5.20%
Long-term rate of compensation increase (percent) 4.00% 4.50% 4.50%
Service cost $ 517 $ 499 $ 466
Interest cost 677 671 664
Expected return on plan assets (596) (724) (532)
Amortization of actuarial loss/(gain) 73 83 85
Amortization of prior service cost (31) (31) (29)
Net pension enhancement and curtailment/settlement cost 75 27 29
Net periodic benefit cost 715 525 683
Net actuarial loss/(gain) (406) (3) (39)
Amortization of actuarial (loss)/gain (147) (110) (114)
Prior service cost/(credit) 0 0 (17)
Amortization of prior service (cost)/credit 31 31 29
Total recorded in other comprehensive income (522) (82) (141)
Total recorded in net periodic benefit cost and other comprehensive income, before tax 193 443 542
Pension Benefits - Non-U.S.      
Defined Benefit Plan Disclosure [Line Items]      
Total recorded in other comprehensive income $ (1,062) $ (788) $ 641
Pension Benefits - Non-U.S. | Pension Plans, Defined Benefit      
Defined Benefit Plan Disclosure [Line Items]      
Discount rate (percent) 4.60% 4.30% 4.90%
Long-term rate of return on funded assets (percent) 4.70% 5.50% 4.20%
Long-term rate of compensation increase (percent) 4.20% 4.50% 5.20%
Service cost $ 324 $ 338 $ 323
Interest cost 842 823 922
Expected return on plan assets (838) (955) (688)
Amortization of actuarial loss/(gain) 37 97 108
Amortization of prior service cost 59 50 52
Net pension enhancement and curtailment/settlement cost 22 16 5
Net periodic benefit cost 446 369 722
Net actuarial loss/(gain) (1,073) (611) 602
Amortization of actuarial (loss)/gain (38) (112) (108)
Prior service cost/(credit) 19 81 153
Amortization of prior service (cost)/credit (59) (44) (52)
Foreign exchange rate changes 89 (102) 46
Total recorded in other comprehensive income (1,062) (788) 641
Total recorded in net periodic benefit cost and other comprehensive income, before tax $ (616) $ (419) $ 1,363