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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Section S99
-Paragraph 2
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Reportable Segments Reportable Segments Revenues (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]
Revenues	$ 3,144	$ 3,463	$ 6,339	$ 7,060
Other revenues	632	823	1,170	1,665
Less: Total intersegment revenues
Segment Reporting Information [Line Items]
Revenues	(5)	(7)	(11)	(10)
Natural Gas Pipelines \| Revenues from external customers
Segment Reporting Information [Line Items]
Revenues	1,882	2,091	3,852	4,268
Natural Gas Pipelines \| Intersegment revenues
Segment Reporting Information [Line Items]
Revenues	1	5	2	8
CO2
Segment Reporting Information [Line Items]
Revenues	304	353	606	799
Terminals \| Revenues from external customers
Segment Reporting Information [Line Items]
Revenues	487	469	952	926
Terminals \| Intersegment revenues
Segment Reporting Information [Line Items]
Revenues	1	1	1	1
Products Pipelines \| Revenues from external customers
Segment Reporting Information [Line Items]
Revenues	398	477	789	921
Products Pipelines \| Intersegment revenues
Segment Reporting Information [Line Items]
Revenues	3	1	8	1
Kinder Morgan Canada
Segment Reporting Information [Line Items]
Revenues	63	65	122	125
Other
Segment Reporting Information [Line Items]
Revenues	1	(1)	1	3
Total segment revenues
Segment Reporting Information [Line Items]
Revenues	3,140	3,461	6,333	7,052
Unallocated [Member]
Segment Reporting Information [Line Items]
Other revenues	$ 9	$ 9	$ 17	$ 18