Employee Benefit Plans - Components of Net Periodic Benefit Cost (Benefit) (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 Plan [Member] | ||||
| Defined Benefit Plan Disclosure [Line Items] | ||||
| Service cost | $ 0 | $ 0 | $ 1 | $ 1 |
| Interest cost | (40) | (44) | (120) | (131) |
| Expected return on plan assets | (58) | (61) | (174) | (182) |
| Amortization of prior service credit | 0 | 0 | 0 | 0 |
| Amortization of actuarial loss | (12) | (8) | (34) | (25) |
| Net periodic cost (benefit) | (6) | (9) | (19) | (25) |
| Other Postretirement Benefits Plan [Member] | ||||
| Defined Benefit Plan Disclosure [Line Items] | ||||
| Service cost | 0 | 0 | 0 | 0 |
| Interest cost | (1) | (1) | (4) | (4) |
| Expected return on plan assets | 0 | 0 | 0 | 0 |
| Amortization of prior service credit | (2) | (2) | (5) | (5) |
| Amortization of actuarial loss | (1) | (2) | (3) | (4) |
| Net periodic cost (benefit) | $ 0 | $ 1 | $ 2 | $ 3 |
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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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