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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, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Segment Reporting Information [Line Items] |  |  |
DD&A | $ (2,411) | $ (2,297) | $ (2,261)
Amortization of excess cost of equity investments | (83) | (95) | (61)
General and administrative and corporate charges | (590) | (601) | (688)
Interest, net | (1,801) | (1,917) | (1,832)
Income tax expense | (926) | (587) | (1,938)
Net Income | 2,239 | 1,919 | 223
Total Segment EBDA(f) |  |  |
Segment Reporting Information [Line Items] |  |  |
Segment EBDA(e) | 8,071 | 7,403 | 6,975
Operating Segments | Natural Gas Pipelines |  |  |
Segment Reporting Information [Line Items] |  |  |
Segment EBDA(e) | 4,661 | 3,540 | 3,478
DD&A | (1,005) | (955) | (909)
Operating Segments | Products Pipelines |  |  |
Segment Reporting Information [Line Items] |  |  |
Segment EBDA(e) | 1,225 | 1,209 | 1,237
DD&A | (338) | (326) | (310)
Operating Segments | Terminals |  |  |
Segment Reporting Information [Line Items] |  |  |
Segment EBDA(e) | 1,506 | 1,175 | 1,227
DD&A | (494) | (489) | (480)
Operating Segments | CO2 |  |  |
Segment Reporting Information [Line Items] |  |  |
Segment EBDA(e) | 681 | 759 | 847
DD&A | (548) | (473) | (493)
Operating Segments | Kinder Morgan Canada |  |  |
Segment Reporting Information [Line Items] |  |  |
Segment EBDA(e) | (2) | 720 | 186
DD&A | 0 | (29) | (46)
Corporate, Non-Segment |  |  |
Segment Reporting Information [Line Items] |  |  |
DD&A | (26) | (25) | (23)
General and administrative and corporate charges | $ (611) | (588) | (660)
Previously Reported [Member] | Operating Segments | Natural Gas Pipelines |  |  |
Segment Reporting Information [Line Items] |  |  |
Segment EBDA(e) |  | 3,580 | 3,487
Previously Reported [Member] | Operating Segments | Products Pipelines |  |  |
Segment Reporting Information [Line Items] |  |  |
Segment EBDA(e) |  | 1,173 | 1,231
Previously Reported [Member] | Operating Segments | Terminals |  |  |
Segment Reporting Information [Line Items] |  |  |
Segment EBDA(e) |  | $ 1,171 | $ 1,224

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