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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, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Segment Reporting Information [Line Items] |  |  |
DD&A | $ (2,297) | $ (2,261) | $ (2,209)
Amortization of excess cost of equity investments | (95) | (61) | (59)
General and administrative and corporate charges | (601) | (688) | (703)
Interest, net | (1,917) | (1,832) | (1,806)
Income tax expense | (587) | (1,938) | (917)
Net Income | 1,919 | 223 | 721
Total segment EBDA |  |  |
Segment Reporting Information [Line Items] |  |  |
Segment EBDA(d) | 7,403 | 6,975 | 6,364
Operating Segments | Natural Gas Pipelines |  |  |
Segment Reporting Information [Line Items] |  |  |
Segment EBDA(d) | 3,580 | 3,487 | 3,211
DD&A | (1,058) | (1,011) | (1,041)
Operating Segments | Products Pipelines |  |  |
Segment Reporting Information [Line Items] |  |  |
Segment EBDA(d) | 1,173 | 1,231 | 1,067
DD&A | (228) | (216) | (221)
Operating Segments | Terminals |  |  |
Segment Reporting Information [Line Items] |  |  |
Segment EBDA(d) | 1,171 | 1,224 | 1,078
DD&A | (484) | (472) | (435)
Operating Segments | CO2 |  |  |
Segment Reporting Information [Line Items] |  |  |
Segment EBDA(d) | 759 | 847 | 827
DD&A | (473) | (493) | (446)
Operating Segments | Kinder Morgan Canada |  |  |
Segment Reporting Information [Line Items] |  |  |
Segment EBDA(d) | 720 | 186 | 181
DD&A | (29) | (46) | (44)
Corporate, Non-Segment |  |  |
Segment Reporting Information [Line Items] |  |  |
DD&A | (25) | (23) | (22)
General and administrative and corporate charges | $ (588) | $ (660) | $ (652)

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