Post-Employment Benefits (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
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| Defined benefit plans | ||
| Defined benefit and other post-employment plans | ||
| Service cost | $ 63 | $ 63 |
| Interest cost | 122 | 117 |
| Expected return on plan assets | (224) | (206) |
| Amortization of prior service credit | 0 | 0 |
| Amortization of actuarial loss | 8 | 6 |
| Net periodic benefit cost (credit) | (31) | (20) |
| Other post-employment plans | ||
| Defined benefit and other post-employment plans | ||
| Service cost | 11 | 10 |
| Interest cost | 11 | 11 |
| Expected return on plan assets | 0 | 0 |
| Amortization of prior service credit | (9) | (9) |
| Amortization of actuarial loss | 2 | 2 |
| Net periodic benefit cost (credit) | $ 15 | $ 14 |
| X | ||||||||||
- Definition The amount of amortization of actuarial losses and prior service costs included in the calculation of net periodic pension benefit cost. No definition available.
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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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