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Acquisitions and Divestitures - Schedule of Goodwill (Details) $ in Millions | 6 Months Ended
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Jun. 30, 2024 USD ($)
Business Acquisition [Line Items] |
Goodwill, beginning balance | $ 20,121
Acquisition | (28)
Divestitures | (9)
Goodwill, ending balance | 20,084
Natural Gas Pipelines Regulated |
Business Acquisition [Line Items] |
Goodwill, beginning balance | 14,249
Acquisition | 0
Divestitures | 0
Goodwill, ending balance | 14,249
Natural Gas Pipelines Nonregulated |
Business Acquisition [Line Items] |
Goodwill, beginning balance | 2,499
Acquisition | (28)
Divestitures | 0
Goodwill, ending balance | 2,471
CO2 |
Business Acquisition [Line Items] |
Goodwill, beginning balance | 928
Acquisition | 0
Divestitures | (9)
Goodwill, ending balance | 919
Products Pipelines, Pipelines |
Business Acquisition [Line Items] |
Goodwill, beginning balance | 1,378
Acquisition | 0
Divestitures | 0
Goodwill, ending balance | 1,378
Products Pipelines Terminals |
Business Acquisition [Line Items] |
Goodwill, beginning balance | 151
Acquisition | 0
Divestitures | 0
Goodwill, ending balance | 151
Terminals |
Business Acquisition [Line Items] |
Goodwill, beginning balance | 802
Acquisition | 0
Divestitures | 0
Goodwill, ending balance | 802
Energy Transition Ventures |
Business Acquisition [Line Items] |
Goodwill, beginning balance | 114
Acquisition | 0
Divestitures | 0
Goodwill, ending balance | $ 114

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