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v3.20.4

Reportable Segments Operating expenses (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Segment Reporting Information [Line Items] |  |  |
Operating expenses(a) | $ 5,398 | $ 6,280 | $ 7,288
Operating Segments | Natural Gas Pipelines |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating expenses(a) | 3,457 | 4,213 | 5,218
Operating Segments | Products Pipelines |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating expenses(a) | 779 | 684 | 748
Operating Segments | Terminals |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating expenses(a) | 762 | 888 | 823
Operating Segments | CO2 |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating expenses(a) | 404 | 496 | 453
Operating Segments | Kinder Morgan Canada |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating expenses(a) | 0 | 0 | 72
Intersegment Eliminations [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating expenses(a) | $ (4) | $ (1) | $ (26)

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- Definition Cost of Goods Sold, Operations and Maintenance Expense and Taxes Other Than Income Taxes + References No definition available. + Details
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