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Revenue Recognition Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | $ 13,318 |  |
Total Revenues | 14,144 | $ 13,705 | $ 13,058
Firm services [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 4,746 |  |
Fee-based services [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 2,466 |  |
Total services revenue [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 7,212 |  |
Natural gas sales [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 3,310 |  |
Total Revenues | 3,281 | 3,053 | 2,454
Product sales [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 2,788 |  |
Other sales [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 8 |  |
Total sales revenues [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 6,106 |  |
Other revenues [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenues | 826 |  |
Natural Gas Pipelines |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 8,735 |  |
Total Revenues | 9,015 |  |
Natural Gas Pipelines | Firm services [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 3,215 |  |
Natural Gas Pipelines | Fee-based services [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 860 |  |
Natural Gas Pipelines | Total services revenue [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 4,075 |  |
Natural Gas Pipelines | Natural gas sales [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 3,319 |  |
Natural Gas Pipelines | Product sales [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 1,333 |  |
Natural Gas Pipelines | Other sales [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 8 |  |
Natural Gas Pipelines | Total sales revenues [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 4,660 |  |
Natural Gas Pipelines | Other revenues [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenues | 280 |  |
Products Pipelines |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 1,573 |  |
Total Revenues | 1,713 |  |
Products Pipelines | Firm services [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 566 |  |
Products Pipelines | Fee-based services [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 791 |  |
Products Pipelines | Total services revenue [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 1,357 |  |
Products Pipelines | Natural gas sales [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 0 |  |
Products Pipelines | Product sales [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 216 |  |
Products Pipelines | Other sales [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 0 |  |
Products Pipelines | Total sales revenues [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 216 |  |
Products Pipelines | Other revenues [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenues | 140 |  |
Terminals |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 1,575 |  |
Total Revenues | 2,019 |  |
Terminals | Firm services [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 976 |  |
Terminals | Fee-based services [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 581 |  |
Terminals | Total services revenue [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 1,557 |  |
Terminals | Natural gas sales [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 0 |  |
Terminals | Product sales [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 18 |  |
Terminals | Other sales [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 0 |  |
Terminals | Total sales revenues [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 18 |  |
Terminals | Other revenues [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenues | 444 |  |
CO2 |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 1,293 |  |
Total Revenues | 1,255 |  |
CO2 | Firm services [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 2 |  |
CO2 | Fee-based services [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 67 |  |
CO2 | Total services revenue [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 69 |  |
CO2 | Natural gas sales [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 2 |  |
CO2 | Product sales [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 1,222 |  |
CO2 | Other sales [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 0 |  |
CO2 | Total sales revenues [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 1,224 |  |
CO2 | Other revenues [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenues | (38) |  |
Kinder Morgan Canada |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 167 |  |
Total Revenues | 170 |  |
Kinder Morgan Canada | Firm services [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 0 |  |
Kinder Morgan Canada | Fee-based services [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 167 |  |
Kinder Morgan Canada | Total services revenue [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 167 |  |
Kinder Morgan Canada | Natural gas sales [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 0 |  |
Kinder Morgan Canada | Product sales [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 0 |  |
Kinder Morgan Canada | Other sales [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 0 |  |
Kinder Morgan Canada | Total sales revenues [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 0 |  |
Kinder Morgan Canada | Other revenues [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenues | 3 |  |
Corporate, Non-Segment and intersegment eliminations |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | (25) |  |
Total Revenues | (28) | $ 8 | $ 8
Corporate, Non-Segment and intersegment eliminations | Firm services [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | (13) |  |
Corporate, Non-Segment and intersegment eliminations | Fee-based services [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 0 |  |
Corporate, Non-Segment and intersegment eliminations | Total services revenue [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | (13) |  |
Corporate, Non-Segment and intersegment eliminations | Natural gas sales [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | (11) |  |
Corporate, Non-Segment and intersegment eliminations | Product sales [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | (1) |  |
Corporate, Non-Segment and intersegment eliminations | Other sales [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | 0 |  |
Corporate, Non-Segment and intersegment eliminations | Total sales revenues [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues from contracts with customers | (12) |  |
Corporate, Non-Segment and intersegment eliminations | Other revenues [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenues | $ (3) |  |

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