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Pensions And Other Postretirement Benefits - Components of Expense and Assumptions (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Other Postretirement Benefits Plan |  |  |
Components of expense |  |  |
Service cost | $ 10 | $ 9 | $ 16
Interest cost | 226 | 236 | 148
Expected return on plan assets | 0 | 0 | 0
Amortization of net actuarial (gains) losses | 1 | (23) | 67
Curtailments, settlements and other | (1) | 2 | (5)
Net periodic pension and OPEB (income) expense | $ 236 | $ 224 | $ 226
Weighted-average assumptions used to determine benefit obligations(a) |  |  |
Discount rate | 5.51% | 5.13% | 5.51%
Weighted-average assumptions used to determine net expense(a) |  |  |
Discount rate | 5.13% | 5.48% | 2.84%
U.S. | Pension Plan |  |  |
Components of expense |  |  |
Service cost | $ 185 | $ 173 | $ 233
Service cost | 113 | 103 |
Interest cost | 2,132 | 2,273 | 1,292
Expected return on plan assets | (2,740) | (2,922) | (3,000)
Amortization of net actuarial (gains) losses | 8 | 0 | 18
Curtailments, settlements and other | 56 | 126 | (17)
Net periodic pension and OPEB (income) expense | $ (359) | $ (350) | $ (1,474)
Weighted-average assumptions used to determine benefit obligations(a) |  |  |
Discount rate | 5.56% | 5.12% | 5.47%
Weighted-average assumptions used to determine net expense(a) |  |  |
Discount rate | 5.08% | 5.37% | 2.34%
Expected rate of return on plan assets | 6.27% | 6.30% | 5.38%
Non-U.S. | Pension Plan |  |  |
Components of expense |  |  |
Service cost | $ 165 | $ 173 | $ 157
Service cost | 156 | 161 |
Interest cost | 505 | 551 | 293
Expected return on plan assets | (521) | (573) | (534)
Amortization of net actuarial (gains) losses | 46 | 32 | 133
Curtailments, settlements and other | 18 | 33 | 10
Net periodic pension and OPEB (income) expense | $ 213 | $ 216 | $ 59
Weighted-average assumptions used to determine benefit obligations(a) |  |  |
Discount rate | 4.68% | 4.41% | 4.85%
Weighted-average assumptions used to determine net expense(a) |  |  |
Discount rate | 5.10% | 5.33% | 2.98%
Expected rate of return on plan assets | 5.25% | 5.65% | 4.39%

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- Definition The actuarial present value of benefits attributed to the pension benefit formula to services rendered by employees during the period and administrative expenses + References No definition available. + Details
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- Definition Amount of gain (loss) recognized in net periodic benefit (cost) credit of defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 17 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480482/715-20-55-17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 3A -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480535/715-20-45-3A Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 18 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480482/715-20-55-18 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (h)(4) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a)(4) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-6 + Details
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