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Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Disaggregation of Revenue [Line Items] |  |  |
Total operating revenues | $ 922 | $ 920 | $ 840
Lease revenue outside scope of Topic 606 | 7 | 10 | 9
Eliminations |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total operating revenues | 0 | 0 | (1)
Pipeline |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Lease revenue outside scope of Topic 606 | 7 | 10 | 9
Pipeline | Operating segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total operating revenues | 377 | 339 | 307
Gathering | Operating segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total operating revenues | $ 545 | $ 581 | $ 534

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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. 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