Reportable Segments Reportable Segments EBDA (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Segment Reporting Information [Line Items]
Total Segment EBDA	$ 1,789	$ 1,721	$ 3,431	$ 3,623
Total segment DD&A	(552)	(570)	(1,103)	(1,108)
Amortization of excess cost of equity investments	(16)	(14)	(30)	(26)
Other revenues	632	823	1,170	1,665
General and administrative expense	(189)	(164)	(379)	(380)
Interest, net	(471)	(472)	(912)	(984)
Income tax expense	(213)	(189)	(367)	(413)
Net income	375	342	689	761
Natural Gas Pipelines
Segment Reporting Information [Line Items]
Total Segment EBDA	966	928	1,958	1,943
CO2
Segment Reporting Information [Line Items]
Total Segment EBDA	203	240	389	576
Terminals
Segment Reporting Information [Line Items]
Total Segment EBDA	292	279	545	549
Products Pipelines
Segment Reporting Information [Line Items]
Total Segment EBDA	293	277	472	523
Kinder Morgan Canada
Segment Reporting Information [Line Items]
Total Segment EBDA	40	37	80	78
Other
Segment Reporting Information [Line Items]
Total Segment EBDA	(5)	(40)	(13)	(46)
Unallocated [Member]
Segment Reporting Information [Line Items]
Other revenues	9	9	17	18
Interest, net	(470)	(472)	(912)	(986)
Income tax expense	$ (196)	$ (168)	$ (335)	$ (380)

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The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

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The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount, after sales adjustments, returns, allowances, and discounts, of revenue classified as other.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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