Defined 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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| Net Periodic Defined Benefit Costs Allocated to Subsidiary by Sponsor (Numeric) [Abstract] | ||||
| Defined benefit plans - funding | $ 10 | $ 9 | ||
| Pension Plan [Member] | U.S. | ||||
| Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract] | ||||
| Service cost | $ 8 | $ 8 | 22 | 23 |
| Interest cost | 44 | 46 | 132 | 138 |
| Expected return on plan assets | (61) | (72) | (182) | (215) |
| Amortization of: [Abstract] | ||||
| Actuarial loss | 10 | 4 | 29 | 13 |
| Net periodic defined benefit costs (credits) | 1 | (14) | 1 | (41) |
| Other Postretirement Benefits Plan [Member] | ||||
| Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract] | ||||
| Service cost | 2 | 2 | 5 | 5 |
| Interest cost | 8 | 8 | 23 | 23 |
| Expected return on plan assets | (8) | (7) | (22) | (22) |
| Amortization of: [Abstract] | ||||
| Prior service cost | 1 | 0 | 1 | 1 |
| Actuarial loss | (2) | (1) | (2) | (3) |
| Net periodic defined benefit costs (credits) | $ 1 | $ 2 | $ 5 | $ 4 |
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- References No definition available.
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- References No definition available.
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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 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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- References No definition available.
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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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- Definition Amount of cash outflow for pension and other postretirement benefits. Includes, but is not limited to, employer contribution to fund plan asset and payment to retiree. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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