Reportable Segments Reportable Segment (Details 1) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Depreciation, Depletion and Amortization	$ (406)	$ (357)	$ (807)	$ (685)
Amortization of excess cost of equity investments	(5)	(2)	(8)	(4)
General and Administrative Expense	(132)	(163)	(285)	(297)
Unallocable Interest Expense Net Of Interest Income	(231)	(215)	(470)	(417)
Unallocable Income Tax Expense	(4)	(3)	(6)	(6)
Loss from Discontinued Operations	0	0	0	(2)
Net Income (Loss)	669	1,010	1,423	1,802
Natural Gas Pipelines [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment Earnings Before Depreciation Depletion And Amortization	639	1,123	1,358	1,680
CO2 [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment Earnings Before Depreciation Depletion And Amortization	332	358	695	700
Products Pipelines [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment Earnings Before Depreciation Depletion And Amortization	203	12	411	197
Terminals [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment Earnings Before Depreciation Depletion And Amortization	233	207	447	393
Kinder Morgan Canada [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment Earnings Before Depreciation Depletion And Amortization	40	50	88	243
Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment Earnings Before Depreciation Depletion And Amortization	1,447	1,750	2,999	3,213
Operating Expense [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Increase in earnings from after tax sale of investments				$ 141