v2.4.0.8

Guarantee of Securities of Subsidiaries Cash Flows (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended						3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014 KMP and EPB [Member]	Dec. 31, 2013 KMP and EPB [Member]	Mar. 31, 2014 Kinder Morgan Energy Partners, L.P. [Member]	Dec. 31, 2013 Kinder Morgan Energy Partners, L.P. [Member]	Mar. 31, 2014 APT and SCT [Member]	Mar. 31, 2013 APT and SCT [Member]	Mar. 31, 2014 Other Acquisitions [Member]	Mar. 31, 2013 Other Acquisitions [Member]	Mar. 31, 2014 Parent Company [Member]	Mar. 31, 2013 Parent Company [Member]	Mar. 31, 2014 Parent Company [Member] KMP and EPB [Member]	Mar. 31, 2013 Parent Company [Member] KMP and EPB [Member]	Mar. 31, 2013 Parent Company [Member] Kinder Morgan Energy Partners, L.P. [Member]	Mar. 31, 2014 Parent Company [Member] APT and SCT [Member]	Mar. 31, 2014 Parent Company [Member] Other Acquisitions [Member]	Mar. 31, 2013 Parent Company [Member] Other Acquisitions [Member]	Mar. 31, 2014 Subsidiary Issuers	Mar. 31, 2013 Subsidiary Issuers	Mar. 31, 2014 Subsidiary Issuers KMP and EPB [Member]	Mar. 31, 2013 Subsidiary Issuers KMP and EPB [Member]	Mar. 31, 2013 Subsidiary Issuers Kinder Morgan Energy Partners, L.P. [Member]	Mar. 31, 2014 Subsidiary Issuers APT and SCT [Member]	Mar. 31, 2014 Subsidiary Issuers Other Acquisitions [Member]	Mar. 31, 2013 Subsidiary Issuers Other Acquisitions [Member]	Mar. 31, 2014 Non-Guarantor Subsidiaries [Member]	Mar. 31, 2013 Non-Guarantor Subsidiaries [Member]	Mar. 31, 2014 Non-Guarantor Subsidiaries [Member] KMP and EPB [Member]	Mar. 31, 2013 Non-Guarantor Subsidiaries [Member] KMP and EPB [Member]	Mar. 31, 2013 Non-Guarantor Subsidiaries [Member] Kinder Morgan Energy Partners, L.P. [Member]	Mar. 31, 2014 Non-Guarantor Subsidiaries [Member] APT and SCT [Member]	Mar. 31, 2014 Non-Guarantor Subsidiaries [Member] Other Acquisitions [Member]	Mar. 31, 2013 Non-Guarantor Subsidiaries [Member] Other Acquisitions [Member]	Mar. 31, 2014 Consolidation, Eliminations [Member]	Mar. 31, 2013 Consolidation, Eliminations [Member]	Mar. 31, 2014 Consolidation, Eliminations [Member] KMP and EPB [Member]	Mar. 31, 2013 Consolidation, Eliminations [Member] KMP and EPB [Member]	Mar. 31, 2013 Consolidation, Eliminations [Member] Kinder Morgan Energy Partners, L.P. [Member]	Mar. 31, 2014 Consolidation, Eliminations [Member] APT and SCT [Member]	Mar. 31, 2014 Consolidation, Eliminations [Member] Other Acquisitions [Member]	Mar. 31, 2013 Consolidation, Eliminations [Member] Other Acquisitions [Member]	Mar. 31, 2014 Consolidated Entity Excluding Variable Interest Entities (VIE) [Member]	Mar. 31, 2013 Consolidated Entity Excluding Variable Interest Entities (VIE) [Member]	Mar. 31, 2014 Consolidated Entity Excluding Variable Interest Entities (VIE) [Member] KMP and EPB [Member]	Mar. 31, 2013 Consolidated Entity Excluding Variable Interest Entities (VIE) [Member] KMP and EPB [Member]	Mar. 31, 2013 Consolidated Entity Excluding Variable Interest Entities (VIE) [Member] Kinder Morgan Energy Partners, L.P. [Member]	Mar. 31, 2014 Consolidated Entity Excluding Variable Interest Entities (VIE) [Member] APT and SCT [Member]	Mar. 31, 2014 Consolidated Entity Excluding Variable Interest Entities (VIE) [Member] Other Acquisitions [Member]	Mar. 31, 2013 Consolidated Entity Excluding Variable Interest Entities (VIE) [Member] Other Acquisitions [Member]
Net cash provided by operating activities
Net cash provided by operating activities	$ 1,118	$ 767									$ 526	$ 335							$ (88)	$ 21							$ 1,287	$ 943							$ (607)	$ (532)							$ 1,118	$ 767
Cash flows from investing activities
Payments to Acquire Businesses, Net of Cash Acquired							(960)	0	(30)	(4)						0	0	0						0	0	0						(960)	(30)	(4)						0	0	0						(960)	(30)	(4)
Capital expenditures	(845)	(598)									(15)	(11)							0	0							(830)	(587)							0	0							(845)	(598)
Proceeds from sales of investments	0	491										0								0								491								0								491
(Loans to) repayments from related party	(17)	10									0	0							0	0							(17)	10							0	0							(17)	10
Funding to Affiliates											(235)	(65)							(1)	(181)							(43)	(167)							279	413							0	0
Drop down assets to KMP															988								0								(988)								0								0
Investments in KMP and EPB													(11)	(7)							0	(1)							0	0							11	8							0	0
Contributions to investments	(36)	(40)									0	(6)							0	0							(36)	(40)							0	6							(36)	(40)
Distributions from equity investments in excess of cumulative earnings											10	0							0	0							38	37							(10)	0							38	37
Natural gas storage and natural gas and liquids line-fill	21	10									0	0							0	0							21	10							0	0							21	10
Other, net	(9)	(19)									0	0							0	0							10	(22)							0	0							10	(22)
Net Cash Provided by (Used in) Investing Activities	(1,819)	(116)									(251)	899							(1)	(182)							(1,847)	(1,260)							280	427							(1,819)	(116)
Cash flows from financing activities
Issuance of debt											643	520							0	0							4,548	2,699							0	0							5,191	3,219
Payment of debt											(408)	(1,230)							(83)	(50)							(3,693)	(1,811)							0	0							(4,184)	(3,091)
Funding from affiliates											39	55							172	166							68	192							(279)	(413)							0	0
Debt issue costs	(12)	(7)									(2)	0							0	0							(10)	(7)							0	0							(12)	(7)
Cash dividends											(425)	(384)							0	0							0	0							0	0							(425)	(384)
Repurchases of shares and warrants	(149)	(80)									(149)	(80)							0	0							0	0							0	0							(149)	(80)
Distributions to parent											0	0							0	0							(610)	(530)							610	530							0	0
Contributions from noncontrolling interests	684	465									0	0							0	0							688	471							(4)	(6)							684	465
Distributions to noncontrolling interests	(479)	(375)									0	0							0	0							(479)	(375)							0	0							(479)	(375)
Other, net												0								0								6								(6)								0
Net Cash Provided by (Used in) Financing Activities	626	(253)									(302)	(1,119)							89	116							512	645							327	105							626	(253)
Effect of Exchange Rate on Cash and Cash Equivalents	(10)	(6)									0	0							0	0							(10)	(6)							0	0							(10)	(6)
Cash and Cash Equivalents, Period Increase (Decrease)	(85)	392									(27)	115							0	(45)							(58)	322							0	0							(85)	392
Cash and Cash Equivalents, beginning of period	598	714	428	482	347	404					83	3							0	45							515	666							0	0							598	714
Cash and Cash Equivalents, end of period	$ 513	$ 1,106	$ 428	$ 482	$ 347	$ 404					$ 56	$ 118							$ 0	$ 0							$ 457	$ 988							$ 0	$ 0							$ 513	$ 1,106

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- Definition

Payments made to acquire equity interests in entities to be accounted for under the equity method of accounting.

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Distributions from equity investments in excess of cumulative earnings considered to be a return of capital for U.S. GAAP reporting purposes.

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Funding from affiliates

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The cash inflow from (1) a borrowing having initial term of repayment within one year or the normal operating cycle, if longer, (2) a debt initially having maturity due after one year or beyond the operating cycle, if longer, and (3) other borrowings not otherwise defined in the taxonomy.

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Natural gas storage and natural gas, liquids and transmix line-fill

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The cash outflow for (1) a borrowing having initial term of repayment within one year or the normal operating cycle, if longer, (2) debt initially having maturity due after one year or beyond the normal operating cycle, if longer, and (3) the payment of other borrowings not otherwise defined in the taxonomy.

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Payments for repurchases of shares and warrants

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The cash outflow from the entity's earnings to the shareholders or members.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Includes effect from exchange rate changes.

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This element represents disclosure of the total aggregate cash dividends paid to the entity by consolidated subsidiaries, by unconsolidated subsidiaries, and by 50% or less owned persons accounted for using the equity method.

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Amount of increase (decrease) from the effect of exchange rate changes on cash and cash equivalent balances held in foreign currencies.

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Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.

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Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.

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Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.

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The cash outflow from advancing money to an affiliate (an entity that is related but not strictly controlled by the entity).

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The net cash outflow or inflow from other investing activities. This element is used when there is not a more specific and appropriate element in the taxonomy.

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The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.

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Amount of cash outflow in the form of ordinary dividends provided by the non-wholly owned subsidiary to noncontrolling interests.

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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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The cash outflow associated with the acquisition of or advances to an entity that is related to it but not strictly controlled (for example, an unconsolidated subsidiary, affiliate, and joint venture or equity method investment) or the acquisition of an additional interest in a subsidiary (controlled entity).

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The cash outflow associated with other investments held by the entity for investment purposes not otherwise defined in the taxonomy.

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- Definition

The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 13

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	credit
Period Type:	duration

X

- Definition

Amount of cash inflow from a noncontrolling interest. Includes, but is not limited to, purchase of additional shares or other increase in noncontrolling interest ownership.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 14

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The net cash inflow or outflow from other financing activities. This element is used when there is not a more specific and appropriate element in the taxonomy.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3095-108585



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 9

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3098-108585

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amount of cash inflow (outflow) from long-term debt by a related party. Related parties, include, but are not limited to, affiliates, owners or officers and their immediate families, and pension trusts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

+ Details

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Namespace Prefix:	us-gaap_
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X

- Definition

The cash inflow associated with the sale of equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 12

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration