Variable Interest Entities (Schedule of VIE Assets and Liabilities) (Details) - USD ($) $ in Millions |
Sep. 30, 2024 |
Dec. 31, 2023 |
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| Variable Interest Entity [Line Items] | ||||||
| Public Utilities, Property, Plant and Equipment, Net | [1] | $ 24,881.4 | $ 22,274.9 | |||
| Current assets | [1] | 1,616.0 | 4,499.4 | |||
| Other Assets, Noncurrent | 4,097.3 | 4,055.8 | ||||
| Total Assets | 30,828.1 | 31,077.2 | ||||
| Current liabilities | [2] | 3,485.5 | 5,265.1 | |||
| Asset retirement obligations | 733.0 | 480.5 | ||||
| Other noncurrent liabilities | 311.8 | 298.6 | ||||
| Consolidated Variable Interest Entities | ||||||
| Variable Interest Entity [Line Items] | ||||||
| Public Utilities, Property, Plant and Equipment, Net | 1,335.3 | 1,369.8 | ||||
| Current assets | 52.9 | 63.6 | ||||
| Total Assets | 1,388.2 | 1,433.4 | ||||
| Current liabilities | 50.5 | 68.3 | ||||
| Asset retirement obligations | 57.7 | 55.7 | ||||
| Total Liabilities | $ 108.2 | $ 124.0 | ||||
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- Definition Noncurrent portion of the carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of asset recognized for present right to economic benefit. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of asset recognized for present right to economic benefit, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of liability recognized for present obligation requiring transfer or otherwise providing economic benefit to others. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of noncurrent assets classified as other. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Period end amount of total net PPE. No definition available.
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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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- Details
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