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Long-term Debt Issuances and Repaymenrts (Details) - USD ($) $ in Millions | 1 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Feb. 29, 2016 | Jan. 31, 2016 | Jun. 30, 2016 | Jun. 30, 2015 | Dec. 31, 2015
Debt Instrument [Line Items] |  |  |  |  |
Repayments of Debt |  |  | $ 6,800 | $ 8,941 |
Kinder Morgan, Inc. [Member] | Unsecured term loan facility, variable rate, due January 26, 2019(a) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Proceeds from Issuance of Long-term Debt |  |  | $ 1,000 |  |
Kinder Morgan, Inc. [Member] | KMI 8.25% Senior Notes due February 15, 2016 [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  | 8.25% |  |
Repayments of Debt |  |  | $ 67 |  |
Kinder Morgan Energy Partners, L.P. [Member] | $500 million 3.50% notes due 2016 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  | 3.50% |  | 3.50%
Repayments of Debt |  |  | $ 500 |  |
TGP [Member] | $250 million 8.00% notes due 2016 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  | 8.00% |  |
Repayments of Debt | $ 250 |  | $ 250 |  |
Kinder Morgan Finance Company, LLC [Member] | 5.70% Senior Notes due January 5, 2016 [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  | 5.70% |  |
Repayments of Debt |  | $ 850 | $ 850 |  |

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