Long-lived Assets - Schedule of Property and Equipment and the Related Accumulated Depreciation (Details) - USD ($) $ in Millions |
Mar. 31, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Property, Plant and Equipment [Line Items] | ||
| Property, plant and equipment, gross, excluding construction in progress | $ 7,684.7 | $ 7,648.9 |
| Accumulated depreciation | (4,163.4) | (4,105.2) |
| Total depreciable assets | 3,521.3 | 3,543.7 |
| Total property and equipment, net | 3,793.0 | 3,847.8 |
| Distribution systems | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | 5,312.8 | 5,280.3 |
| Support equipment and buildings | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | 1,401.1 | 1,403.2 |
| CPE | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | 970.8 | 965.4 |
| CIP and land | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | $ 271.7 | $ 304.1 |
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- Definition Property, Plant and Equipment, Gross, Excluding Construction In Progress No definition available.
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- Definition Property, Plant and Equipment, Net, Excluding Construction In Progress No definition available.
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. 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/2003/role/disclosureRef
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- Definition Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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