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Property, Plant and Equipment (Components of PP&E) (Details) - USD ($) | Dec. 31, 2024 | Sep. 30, 2024 | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | --- | --- | ---
Property, Plant and Equipment [Line Items] |  |  |  |
Electric generation, distribution assets and other | $ 32,823,000,000 |  |  | $ 30,190,000,000
Accumulated depreciation | (8,701,000,000) | $ (8,505) | $ (8,270) | (8,602,000,000)
Property Plant And Equipment Electric Generation Distribution Assets And Other Net Held For Sale | 24,122,000,000 |  |  | 21,588,000,000
Property, Plant and Equipment, Net | 33,166,000,000 |  |  | 29,958,000,000
Electric generation and distribution facilities |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Electric generation, distribution assets and other | $ 29,740,000,000 |  |  | 27,517,000,000
Electric generation and distribution facilities | Minimum |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Property, Plant and Equipment, Useful Life | 8 years |  |  |
Electric generation and distribution facilities | Maximum |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Property, Plant and Equipment, Useful Life | 40 years |  |  |
Other buildings |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Electric generation, distribution assets and other | $ 1,232,000,000 |  |  | 1,239,000,000
Other buildings | Minimum |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Property, Plant and Equipment, Useful Life | 3 years |  |  |
Other buildings | Maximum |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Property, Plant and Equipment, Useful Life | 48 years |  |  |
Furniture and Fixtures [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Electric generation, distribution assets and other | $ 423,000,000 |  |  | 397,000,000
Furniture and Fixtures [Member] | Minimum |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Property, Plant and Equipment, Useful Life | 3 years |  |  |
Furniture and Fixtures [Member] | Maximum |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Property, Plant and Equipment, Useful Life | 30 years |  |  |
Other |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Electric generation, distribution assets and other | $ 1,428,000,000 |  |  | 1,037,000,000
Other | Minimum |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Property, Plant and Equipment, Useful Life | 5 years |  |  |
Other | Maximum |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Property, Plant and Equipment, Useful Life | 39 years |  |  |
Land |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Electric generation, distribution assets and other | $ 610,000,000 |  |  | 522,000,000
Construction in Progress [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Electric generation, distribution assets and other | $ 8,434,000,000 |  |  | $ 7,848,000,000

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- Definition This element represents capitalized assets classified as property, plant and equipment not otherwise defined in the taxonomy, net of accumulated depreciation, included in noncurrent assets of discontinued and held for sale businesses. + References No definition available. + Details
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- Definition Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(8)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(14)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482099/360-10-50-1 + Details
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- Definition Amount before accumulated depreciation, depletion and amortization of other physical assets used in the normal conduct of business to produce goods and services and not intended for resale. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 10 -Topic 360 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482099/360-10-50-1 + Details
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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
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