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Acquisitions and Divestitures - Sale of an interest in NGPL Holdings (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Mar. 08, 2021
Schedule of Equity Method Investments [Line Items] |  |  |  |
Pre-tax gain on sale of interest in equity investment | $ 0 | $ 0 | $ 206 |
NGPL Holdings, LLC | Related Party |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Note receivable | $ 375 | 375 |  | $ 500
Interest rate, stated percentage | 6.75% |  |  |
ArcLight Capital Partners, LLC | NGPL Holdings, LLC | Related Party |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Note receivable |  |  |  | $ 125
NGPL Holdings, LLC |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Ownership Interest | 37.50% |  |  |
Proceeds from sales of assets and investments |  |  | 412 |
NGPL Holdings, LLC | Natural Gas Pipelines |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Pre-tax gain on sale of interest in equity investment | $ 0 | $ 0 | $ 206 |
NGPL Holdings, LLC | ArcLight Capital Partners, LLC |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Ownership Interest | 37.50% |  |  | 25.00%
NGPL Holdings, LLC | KMI |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Ownership Interest | 37.50% |  |  |

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