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Pension And Other Postretirement Benefits (Long-Term Rates Of Pension And Other Postretirement Benefits) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total recorded in other comprehensive income | $ (784) | $ 504 | $ (4,799)
Other Postretirement Benefits [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Discount rate (percent) | 5.30% | 5.60% | 3.10%
Long-term rate of return on funded assets (percent) | 6.00% | 4.70% | 3.80%
Long-term rate of compensation increase (percent) | 4.50% | 4.50% | 4.50%
Service cost | $ 81 | $ 78 | $ 138
Interest cost | 250 | 276 | 216
Expected return on plan assets | (20) | (14) | (14)
Amortization of actuarial loss/(gain) | (103) | (122) | 6
Amortization of prior service cost | (63) | (42) | (42)
Net periodic benefit cost | 145 | 176 | 304
Net actuarial loss/(gain) | (81) | 154 | (1,910)
Amortization of actuarial (loss)/gain | 103 | 122 | (6)
Prior service cost/(credit) | (8) | (312) | 0
Amortization of prior service (cost)/credit | 63 | 42 | 42
Foreign exchange rate changes | 9 | (2) | (7)
Total recorded in other comprehensive income | 86 | 4 | (1,881)
Total recorded in net periodic benefit cost and other comprehensive income, before tax | 231 | 180 | (1,577)
United States |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total recorded in other comprehensive income | $ (82) | $ (141) | $ (939)
United States | Pension Plans, Defined Benefit [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Discount rate (percent) | 5.30% | 5.60% | 3.00%
Long-term rate of return on funded assets (percent) | 6.80% | 5.20% | 4.60%
Long-term rate of compensation increase (percent) | 4.50% | 4.50% | 4.50%
Service cost | $ 499 | $ 466 | $ 712
Interest cost | 671 | 664 | 518
Expected return on plan assets | (724) | (532) | (560)
Amortization of actuarial loss/(gain) | 83 | 85 | 156
Amortization of prior service cost | (31) | (29) | (29)
Net pension enhancement and curtailment/settlement cost | 27 | 29 | 205
Net periodic benefit cost | 525 | 683 | 1,002
Net actuarial loss/(gain) | (3) | (39) | (607)
Amortization of actuarial (loss)/gain | (110) | (114) | (361)
Prior service cost/(credit) | 0 | (17) | 0
Amortization of prior service (cost)/credit | 31 | 29 | 29
Total recorded in other comprehensive income | (82) | (141) | (939)
Total recorded in net periodic benefit cost and other comprehensive income, before tax | 443 | 542 | 63
Pension Benefits - Non-U.S. [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Total recorded in other comprehensive income | $ (788) | $ 641 | $ (1,979)
Pension Benefits - Non-U.S. [Member] | Pension Plans, Defined Benefit [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Discount rate (percent) | 4.30% | 4.90% | 2.20%
Long-term rate of return on funded assets (percent) | 5.50% | 4.20% | 3.50%
Long-term rate of compensation increase (percent) | 4.50% | 5.20% | 4.20%
Service cost | $ 338 | $ 323 | $ 570
Interest cost | 823 | 922 | 614
Expected return on plan assets | (955) | (688) | (815)
Amortization of actuarial loss/(gain) | 97 | 108 | 180
Amortization of prior service cost | 50 | 52 | 43
Net pension enhancement and curtailment/settlement cost | 16 | 5 | 4
Net periodic benefit cost | 369 | 722 | 596
Net actuarial loss/(gain) | (611) | 602 | (1,641)
Amortization of actuarial (loss)/gain | (112) | (108) | (183)
Prior service cost/(credit) | 81 | 153 | 84
Amortization of prior service (cost)/credit | (44) | (52) | (40)
Foreign exchange rate changes | (102) | 46 | (199)
Total recorded in other comprehensive income | (788) | 641 | (1,979)
Total recorded in net periodic benefit cost and other comprehensive income, before tax | $ (419) | $ 1,363 | $ (1,383)

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