Defined Severance 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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| Retirement Benefits [Abstract] | ||||
| Current service costs | $ 64 | $ 56 | $ 184 | $ 158 |
| Interest cost | 6 | 4 | 17 | 12 |
| Amortization of: | ||||
| Net actuarial loss | 1 | 2 | 3 | 7 |
| Net periodic benefit cost | $ 71 | $ 62 | $ 204 | $ 177 |
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- Definition Defined Benefit Plan, Amortization 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 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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