Basis of Presentation (Details) $ in Millions |
9 Months Ended |
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Sep. 30, 2025
USD ($)
segments
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| Noncontrolling Interest [Line Items] | |
| Number of reportable segments | segments | 2 |
| Change In Goodwill Allocation Amount | $ | $ 4.5 |
| Boardwalk Pipelines Holding Corp. (BPHC) | Boardwalk Pipeline Partners, LP | |
| Noncontrolling Interest [Line Items] | |
| Ownership percentage | 100.00% |
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- Definition Amount of change in the allocation of goodwill by reportable segment. 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. No definition available.
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- Definition The parent entity's interest in net assets of the subsidiary, expressed as a percentage. No definition available.
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- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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