Property, Plant, and Equipment - Schedule of Property, Plant, and Equipment (Details) - USD ($) $ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Property, Plant, and Equipment [Line Items] | ||
| Construction work in progress | $ 1,841 | $ 1,917 |
| Finance lease right-of-use assets | 192 | 190 |
| Property, plant, and equipment — gross | 30,666 | 29,864 |
| Less accumulated depreciation | (9,981) | (9,273) |
| Less finance lease right-of-use assets accumulated amortization | (40) | (41) |
| Property, plant, and equipment — net | 19,944 | 19,846 |
| Power generation and structures and office and other equipment | ||
| Property, Plant, and Equipment [Line Items] | ||
| Property, plant and equipment - gross | 25,814 | 25,084 |
| Land | ||
| Property, Plant, and Equipment [Line Items] | ||
| Property, plant and equipment - gross | 636 | 637 |
| Nuclear fuel | ||
| Property, Plant, and Equipment [Line Items] | ||
| Property, plant and equipment - gross | 2,183 | 2,036 |
| Less accumulated amortization of nuclear fuel | $ (701) | $ (704) |
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- Definition Amount of accumulated depreciation, depletion, and amortization of property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of accumulated amortization of right-of-use asset from finance lease. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, before accumulated amortization, of right-of-use asset from finance lease. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, after accumulated depreciation and amortization, of property, plant, and equipment and finance lease right-of-use asset. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, before accumulated depreciation and amortization, of property, plant, and equipment and finance lease right-of-use asset. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, before accumulated depreciation, depletion, and amortization, of property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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/2009/role/commonPracticeRef
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- Definition Property, Plant, And Equipment, Accumulated Amortization No definition available.
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