Pensions and Other Postretirement Benefits (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
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| Pension Benefits | ||||
| Defined Benefit Plan Disclosure [Line Items] | ||||
| Service cost | $ 7 | $ 6 | $ 20 | $ 18 |
| Interest cost | 25 | 27 | 75 | 80 |
| Expected return on plan assets | (53) | (49) | (157) | (147) |
| Amortization of net losses (gains) | 4 | 6 | 13 | 17 |
| Amortization of prior service benefit | 0 | 0 | 0 | 0 |
| Net benefit | (17) | (10) | (49) | (32) |
| Other Postretirement Benefits | ||||
| Defined Benefit Plan Disclosure [Line Items] | ||||
| Service cost | 1 | 1 | 2 | 2 |
| Interest cost | 3 | 3 | 9 | 10 |
| Expected return on plan assets | (2) | (2) | (7) | (7) |
| Amortization of net losses (gains) | 0 | (1) | 0 | (1) |
| Amortization of prior service benefit | (6) | (5) | (17) | (16) |
| Net benefit | $ (4) | $ (4) | $ (13) | $ (12) |
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- Definition Amount of gain (loss) recognized in net periodic benefit (cost) credit of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of prior service cost (credit) recognized in net periodic benefit cost (credit) of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of cost recognized for passage of time related to defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of net periodic benefit cost (credit) for defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cost for actuarial present value of benefits attributed to service rendered by employee for defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Details
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- Details
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