Preferred interest in general partner of KMP

No definition available.

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Namespace Prefix:	kmi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(19)(a)(3))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Publisher FASB
-Name Accounting Standards Codification
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-Section S99
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-Subparagraph (SX 210.7-03(a)(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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-Name Accounting Standards Codification
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(13)(2))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

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Period Type:	instant

- Definition

Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer.

+ References

+ Details

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

- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-Subparagraph (a)
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-Publisher FASB
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-Topic 825
-SubTopic 10
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

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.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtWeightedAverageInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Foreign exchange rate used to translate amounts denominated in functional currency to reporting currency.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 30
-Section S99
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6897108&loc=SL6897125-166521

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Publisher FASB
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+ Details

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Period Type:	instant

- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
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-Subparagraph (SX 210.7-03(a)(16))
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-Subparagraph (SX 210.5-02(22))
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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Publisher FASB
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+ Details

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Period Type:	instant

- Definition

The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

+ References

No definition available.

+ Details

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

- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.

+ References

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Amount of cumulative translation gain (loss), before tax, from translating foreign currency financial statements into the reporting currency.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 30
-Section 45
-Paragraph 12
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-Name Accounting Standards Codification
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Debt (Details) $ in Millions		1 Months Ended		6 Months Ended
Debt (Details) $ in Millions	Jan. 26, 2016 USD ($)	Feb. 29, 2016 USD ($)	Jan. 31, 2016 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Dec. 31, 2015 USD ($)
Debt Instrument [Line Items]
KMGP, $1,000 Liquidation Value Series A Fixed-to-Floating Rate Term Cumulative Preferred Stock				$ 100		$ 100
Less: Current portion of debt(a)(d)				3,419		821
Long-term debt				40,201		42,406
Debt Instrument, Fair Value Disclosure				1,988		1,674
Repayments of Debt				6,800	$ 8,941
Long-term Debt, Current Maturities						1,000
Kinder Morgan, Inc. [Member] \| Unsecured term loan facility, variable rate, due January 26, 2019(a)
Debt Instrument [Line Items]
Senior Notes	$ 1,000			1,000		0
Debt Instrument, Term	3 years
Kinder Morgan, Inc. [Member] \| Senior notes, 1.50% through 8.25%, due 2016 through 2098(b)
Debt Instrument [Line Items]
Senior Notes				13,309		13,346
Kinder Morgan, Inc. [Member] \| Senior unsecured revolving credit facility [Member]
Debt Instrument [Line Items]
Credit facility due November 26, 2019(c)				700		0
Kinder Morgan, Inc. [Member] \| Commercial Paper [Member]
Debt Instrument [Line Items]
Commercial paper borrowings(c)				$ 24		0
Kinder Morgan, Inc. [Member] \| Revolving Credit Facility [Member] \| KMI Credit Facility [Member]
Debt Instrument [Line Items]
Debt, Weighted Average Interest Rate				1.91%
Kinder Morgan Energy Partners, L.P. [Member] \| Senior notes, 2.65% through 9.00%, due 2016 through 2044
Debt Instrument [Line Items]
Senior Notes				$ 19,485		19,985
TGP [Member] \| TGP senior notes, 7.00% through 8.375%, due 2016 through 2037
Debt Instrument [Line Items]
Senior Notes				1,540		1,790
TGP [Member] \| $250 million 8.00% notes due 2016
Debt Instrument [Line Items]
Repayments of Debt		$ 250		$ 250
Debt Instrument, Interest Rate, Stated Percentage				8.00%
EPNG [Member] \| EPNG senior notes, 5.95% through 8.625%, due 2017 through 2032
Debt Instrument [Line Items]
Senior Notes				$ 1,115		1,115
Copano Energy, L.L.C. [Member]
Debt Instrument [Line Items]
Total debt – KMI and Subsidiaries				332
Long-term debt				374		378
Repayments of Debt				0	$ 0
Long-term Debt, Current Maturities				0		0
Copano Energy, L.L.C. [Member] \| Copano senior notes, 7.125%, due April 1, 2021
Debt Instrument [Line Items]
Senior Notes				$ 332		332
Debt Instrument, Interest Rate, Stated Percentage				7.125%
Colorado Interstate Gas Company, L.L.C. [Member] \| CIG senior notes, 6.85%, due June 15, 2037
Debt Instrument [Line Items]
Senior Notes				$ 100		100
Debt Instrument, Interest Rate, Stated Percentage				6.85%
SNG [Member] \| SNG notes, 4.40% through 8.00%, due 2017 through 2032
Debt Instrument [Line Items]
Notes Payable				$ 1,211		1,211
Kinder Morgan Finance Company, LLC [Member] \| Kinder Morgan Finance Company, LLC, senior notes, 5.70% through 6.40%, due 2016 through 2036
Debt Instrument [Line Items]
Senior Notes				786		1,636
Kinder Morgan Finance Company, LLC [Member] \| 5.70% Senior Notes due January 5, 2016 [Member]
Debt Instrument [Line Items]
Repayments of Debt			$ 850	$ 850
Debt Instrument, Interest Rate, Stated Percentage				5.70%
Hiland Partners Holdings LLC [Member] \| Hiland Partners Holdings LLC, senior notes, 5.50% and 7.25%, due 2020 and 2022
Debt Instrument [Line Items]
Senior Notes				$ 974		974
EPC Building LLC [Member] \| EPC Building, LLC, promissory note, 3.967%, due 2016 through 2035
Debt Instrument [Line Items]
Notes Payable				$ 438		443
Debt Instrument, Interest Rate, Stated Percentage				3.967%
Capital Trust I [Member] \| Preferred securities, 4.75%, due March 31, 2028
Debt Instrument [Line Items]
Senior Notes				$ 221		221
Debt Instrument, Interest Rate, Stated Percentage				4.75%
Kinder Morgan G.P., Inc. [Member] \| KMGP, $1,000 Liquidation Value Series A Fixed-to-Floating Rate Term Cumulative Preferred Stock
Debt Instrument [Line Items]
KMGP, $1,000 Liquidation Value Series A Fixed-to-Floating Rate Term Cumulative Preferred Stock				$ 100		100
KMI AND KMP [Member] \| Other miscellaneous debt
Debt Instrument [Line Items]
Notes Payable				297		300
Kinder Morgan, Inc and Subsidiaries [Member]
Debt Instrument [Line Items]
Total debt – KMI and Subsidiaries				41,632		41,553
Long-term debt				$ 38,213		$ 40,732
Euro Member Countries, Euro \| Senior Notes [Member]
Debt Instrument [Line Items]
Foreign Currency Exchange Rate, Translation				1.1106		1.0862
Translation Adjustment Functional to Reporting Currency, Increase (Decrease), Gross of Tax				$ 31