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Reportable Segments Segment earnings before depreciation, depletion, amortization and amortization of excess cost of equity investments (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Segment Reporting Information [Line Items] |  |  |
DD&A | $ (2,250) | $ (2,186) | $ (2,135)
Amortization of excess cost of equity investments | (66) | (75) | (78)
General and administrative and corporate charges | 759 | 593 | 623
Interest, net | (1,797) | (1,513) | (1,492)
Income tax expense | (715) | (710) | (369)
Net income (loss) | 2,486 | 2,625 | 1,850
Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Net income (loss) | 8,073 | 7,702 | 6,547
Operating Segments | Natural Gas Pipelines |  |  |
Segment Reporting Information [Line Items] |  |  |
DD&A | (1,041) | (1,096) | (1,099)
Net income (loss) | 5,282 | 4,801 | 3,815
Operating Segments | Products Pipelines |  |  |
Segment Reporting Information [Line Items] |  |  |
DD&A | (367) | (336) | (335)
Net income (loss) | 1,062 | 1,107 | 1,064
Operating Segments | Terminals |  |  |
Segment Reporting Information [Line Items] |  |  |
DD&A | (493) | (458) | (440)
Net income (loss) | 1,040 | 975 | 908
Operating Segments | CO2 |  |  |
Segment Reporting Information [Line Items] |  |  |
DD&A | (325) | (272) | (236)
Net income (loss) | 689 | 819 | 760
Other |  |  |
Segment Reporting Information [Line Items] |  |  |
DD&A | $ (24) | $ (24) | $ (25)

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