Acquisitions |
9 Months Ended |
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Sep. 30, 2026 | |
| Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract] | |
| Acquisitions | Acquisitions Boardwalk Pipelines On April 30, 2026, Boardwalk Pipelines acquired Spire Marketing LLC (previously known as Spire Marketing Inc.) for $206 million. Spire Marketing LLC is engaged in the marketing of natural gas and related services throughout the U.S. Substantially all of its business is derived from the procurement and physical delivery of natural gas to a diverse customer base, including producers, pipelines, power generators, storage operators and large commercial and industrial customers. Concurrent with the closing, the name of the entity acquired was changed to Boardwalk Continuum Marketing, LLC (“Continuum”). The purchase price was allocated to the assets acquired and liabilities assumed based on their estimated fair values on the date of acquisition, with amounts exceeding the fair value recorded as goodwill. The final fair values Boardwalk Pipelines recorded as of the April 30, 2026 acquisition date were $299 million of assets and $93 million of liabilities, which included $127 million of goodwill and $74 million of derivative assets.
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