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

No definition available.

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- Definition

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

+ References

No definition available.

+ Details

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- Definition

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.

+ References

No definition available.

+ Details

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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.

+ References

No definition available.

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- Definition

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

+ References

No definition available.

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- Definition

Total of all currency on hand as well as demand deposits with banks or financial institutions. Cash equivalents include short-term, highly liquid investments that are both readily convertible to known amounts of cash, and so near their maturity that they present minimal risk of changes in value because of changes in interest rates.

+ References

No definition available.

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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. Excludes cash and cash equivalents within disposal group and discontinued operation.

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-Name Accounting Standards Codification

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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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- Definition

The effect of exchange rate changes on cash balances held in foreign currencies.

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The net cash inflow or outflow from financing activity for the period.

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The net cash inflow or outflow from investing activity.

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The net cash from (used in) all of the entity's operating activities, including those of discontinued operations, of the reporting entity. Operating activities generally involve producing and delivering goods and providing services. Operating activity cash flows include transactions, adjustments, and changes in value that are not defined as investing or financing activities. While for technical reasons this element has no balance attribute, the default assumption is a debit balance consistent with its label.

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- Definition

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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- Definition

The aggregate amount paid by the entity to reacquire the right to purchase equity shares at a predetermined price, usually issued together with corporate debt.

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

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- Definition

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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- Definition

Cash outflow in the form of ordinary dividends to noncontrolling interests, generally out of earnings.

+ References

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- Definition

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

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-Name Accounting Standards Codification

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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.

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- Definition

The cash inflow contributed by noncontrolled interest that purchase additional shares or otherwise increase their ownership stake in a subsidiary of the entity.

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- Definition

The cash inflow from a long-term borrowing made from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Proceeds from Advances from Affiliates.

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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.

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Guarantee of Securities of Subsidiaries Cash Flows (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012	Dec. 31, 2011
Guarantor Obligations [Line Items]
Net Cash Provided by (Used in) Operating Activities	$ 767	$ 560
Acquisition Of Investments	(4)	(30)
Proceeds from Sale of Equity Method Investments	88
Repayments from related party	10	0
Payments to Acquire Property, Plant, and Equipment	(598)	(354)
Payments to Acquire Other Investments	(40)	(49)
Capital Distributions From Equity Investments	37	48
Payments for (Proceeds from) Other Investing Activities	(12)	20
Net Cash Provided by (Used in) Investing Activities	(116)	(365)
Payments of Debt Issuance Costs	(7)	(6)
Payments Of Dividends To Owners	(384)	(220)
Payments for Repurchase of Warrants	(80)	0
Payments of Ordinary Dividends, Noncontrolling Interest	(375)	(251)
Net Cash Provided by (Used in) Financing Activities	(253)	(119)
Effect of Exchange Rate on Cash and Cash Equivalents	(6)	7
Cash and Cash Equivalents, Period Increase (Decrease)	392	83
Total Cash and Cash Equivalents	1,106	494	714	411
Contributions from noncontrolling interests	465	124
Express pipeline system [Member]
Guarantor Obligations [Line Items]
Proceeds from Sale of Equity Method Investments	403	0
BBPP Holdings Ltda [Member]
Guarantor Obligations [Line Items]
Proceeds from Sale of Equity Method Investments	88	0
Parent Company [Member]
Guarantor Obligations [Line Items]
Net Cash Provided by (Used in) Operating Activities	325	249
Acquisition Of Investments	0	0
Repayments from related party	0
Payments to Acquire Property, Plant, and Equipment	(11)	(1)
Payments to Acquire Other Investments	(13)	(1)
Capital Distributions From Equity Investments	0	0
Payments for (Proceeds from) Other Investing Activities	0	0
Net Cash Provided by (Used in) Investing Activities	964	(2)
Issuance of debt	520	252
Payment of debt	(1,230)	(278)
Payments of Debt Issuance Costs	0	0
Payments Of Dividends To Owners	(384)	(220)
Payments for Repurchase of Warrants	(80)
Payments of Ordinary Dividends, Noncontrolling Interest	0	0
Net Cash Provided by (Used in) Financing Activities	(1,174)	(246)
Effect of Exchange Rate on Cash and Cash Equivalents	0	0
Cash and Cash Equivalents, Period Increase (Decrease)	115	1
Total Cash and Cash Equivalents	118	3	3	2
Cash Dividends Paid to Parent Company	0	0
Contributions from noncontrolling interests	0	0
Parent Company [Member] \| Express pipeline system [Member]
Guarantor Obligations [Line Items]
Proceeds from Sale of Equity Method Investments	0
Parent Company [Member] \| Kinder Morgan Energy Partners, L.P. [Member]
Guarantor Obligations [Line Items]
Acquisition Of Investments	988
Parent Company [Member] \| BBPP Holdings Ltda [Member]
Guarantor Obligations [Line Items]
Proceeds from Sale of Equity Method Investments	0
Guarantor Subsidiaries [Member]
Guarantor Obligations [Line Items]
Net Cash Provided by (Used in) Operating Activities	0	0
Acquisition Of Investments	0	0
Repayments from related party	0
Payments to Acquire Property, Plant, and Equipment	0	0
Payments to Acquire Other Investments	0	0
Capital Distributions From Equity Investments	0	0
Payments for (Proceeds from) Other Investing Activities	0	0
Net Cash Provided by (Used in) Investing Activities	0	0
Issuance of debt	0	0
Payment of debt	0	0
Payments of Debt Issuance Costs	0	0
Payments Of Dividends To Owners	0	0
Payments for Repurchase of Warrants	0
Payments of Ordinary Dividends, Noncontrolling Interest	0	0
Net Cash Provided by (Used in) Financing Activities	0	0
Effect of Exchange Rate on Cash and Cash Equivalents	0	0
Cash and Cash Equivalents, Period Increase (Decrease)	0	0
Total Cash and Cash Equivalents	0	0	0	0
Cash Dividends Paid to Parent Company	0	0
Contributions from noncontrolling interests	0	0
Guarantor Subsidiaries [Member] \| Express pipeline system [Member]
Guarantor Obligations [Line Items]
Proceeds from Sale of Equity Method Investments	0
Guarantor Subsidiaries [Member] \| Kinder Morgan Energy Partners, L.P. [Member]
Guarantor Obligations [Line Items]
Acquisition Of Investments	0
Guarantor Subsidiaries [Member] \| BBPP Holdings Ltda [Member]
Guarantor Obligations [Line Items]
Proceeds from Sale of Equity Method Investments	0
Subsidiary Issuer [Member]
Guarantor Obligations [Line Items]
Net Cash Provided by (Used in) Operating Activities	6	0
Acquisition Of Investments	0	0
Repayments from related party	0
Payments to Acquire Property, Plant, and Equipment	0	0
Payments to Acquire Other Investments	(1)	0
Capital Distributions From Equity Investments	0	0
Payments for (Proceeds from) Other Investing Activities	0	0
Net Cash Provided by (Used in) Investing Activities	(1)	0
Issuance of debt	0	0
Payment of debt	(50)	0
Payments of Debt Issuance Costs	0	0
Payments Of Dividends To Owners	0	0
Payments for Repurchase of Warrants	0
Payments of Ordinary Dividends, Noncontrolling Interest	0	0
Net Cash Provided by (Used in) Financing Activities	(50)	0
Effect of Exchange Rate on Cash and Cash Equivalents	0	0
Cash and Cash Equivalents, Period Increase (Decrease)	(45)	0
Total Cash and Cash Equivalents	0	0	45	0
Cash Dividends Paid to Parent Company	0	0
Contributions from noncontrolling interests	0	0
Subsidiary Issuer [Member] \| Express pipeline system [Member]
Guarantor Obligations [Line Items]
Proceeds from Sale of Equity Method Investments	0
Subsidiary Issuer [Member] \| Kinder Morgan Energy Partners, L.P. [Member]
Guarantor Obligations [Line Items]
Acquisition Of Investments	0
Subsidiary Issuer [Member] \| BBPP Holdings Ltda [Member]
Guarantor Obligations [Line Items]
Proceeds from Sale of Equity Method Investments	0
Non-Guarantor Subsidiaries [Member]
Guarantor Obligations [Line Items]
Net Cash Provided by (Used in) Operating Activities	968	646
Acquisition Of Investments	(4)	(30)
Repayments from related party	10
Payments to Acquire Property, Plant, and Equipment	(587)	(353)
Payments to Acquire Other Investments	(40)	(49)
Capital Distributions From Equity Investments	37	48
Payments for (Proceeds from) Other Investing Activities	(12)	20
Net Cash Provided by (Used in) Investing Activities	(1,093)	(364)
Issuance of debt	2,699	2,420
Payment of debt	(1,811)	(2,160)
Payments of Debt Issuance Costs	(7)	(6)
Payments Of Dividends To Owners	0	0
Payments for Repurchase of Warrants	0
Payments of Ordinary Dividends, Noncontrolling Interest	(375)	(251)
Net Cash Provided by (Used in) Financing Activities	453	(207)
Effect of Exchange Rate on Cash and Cash Equivalents	(6)	7
Cash and Cash Equivalents, Period Increase (Decrease)	322	82
Total Cash and Cash Equivalents	988	491	666	409
Cash Dividends Paid to Parent Company	(530)	(335)
Contributions from noncontrolling interests	477	125
Non-Guarantor Subsidiaries [Member] \| Express pipeline system [Member]
Guarantor Obligations [Line Items]
Proceeds from Sale of Equity Method Investments	403
Non-Guarantor Subsidiaries [Member] \| Kinder Morgan Energy Partners, L.P. [Member]
Guarantor Obligations [Line Items]
Acquisition Of Investments	(988)
Non-Guarantor Subsidiaries [Member] \| BBPP Holdings Ltda [Member]
Guarantor Obligations [Line Items]
Proceeds from Sale of Equity Method Investments	88
Consolidation, Eliminations [Member]
Guarantor Obligations [Line Items]
Net Cash Provided by (Used in) Operating Activities	(532)	(335)
Acquisition Of Investments	0	0
Repayments from related party	0
Payments to Acquire Property, Plant, and Equipment	0	0
Payments to Acquire Other Investments	14	1
Capital Distributions From Equity Investments	0	0
Payments for (Proceeds from) Other Investing Activities	0	0
Net Cash Provided by (Used in) Investing Activities	14	1
Issuance of debt	0	0
Payment of debt	0	0
Payments of Debt Issuance Costs	0	0
Payments Of Dividends To Owners		0
Payments for Repurchase of Warrants	0
Payments of Ordinary Dividends, Noncontrolling Interest	0	0
Net Cash Provided by (Used in) Financing Activities	518	334
Effect of Exchange Rate on Cash and Cash Equivalents	0	0
Cash and Cash Equivalents, Period Increase (Decrease)	0	0
Total Cash and Cash Equivalents	0	0	0	0
Cash Dividends Paid to Parent Company	530	335
Contributions from noncontrolling interests	(12)	(1)
Consolidation, Eliminations [Member] \| Express pipeline system [Member]
Guarantor Obligations [Line Items]
Proceeds from Sale of Equity Method Investments	0
Consolidation, Eliminations [Member] \| Kinder Morgan Energy Partners, L.P. [Member]
Guarantor Obligations [Line Items]
Acquisition Of Investments	0
Consolidation, Eliminations [Member] \| BBPP Holdings Ltda [Member]
Guarantor Obligations [Line Items]
Proceeds from Sale of Equity Method Investments	0
Consolidated Entity Excluding Variable Interest Entities (VIE) [Member]
Guarantor Obligations [Line Items]
Net Cash Provided by (Used in) Operating Activities	767	560
Acquisition Of Investments	(4)	(30)
Repayments from related party	10
Payments to Acquire Property, Plant, and Equipment	(598)	(354)
Payments to Acquire Other Investments	(40)	(49)
Capital Distributions From Equity Investments	37	48
Payments for (Proceeds from) Other Investing Activities	(12)	20
Net Cash Provided by (Used in) Investing Activities	(116)	(365)
Issuance of debt	3,219	2,672
Payment of debt	(3,091)	(2,438)
Payments of Debt Issuance Costs	(7)	(6)
Payments Of Dividends To Owners	(384)	(220)
Payments for Repurchase of Warrants	(80)
Payments of Ordinary Dividends, Noncontrolling Interest	(375)	(251)
Net Cash Provided by (Used in) Financing Activities	(253)	(119)
Effect of Exchange Rate on Cash and Cash Equivalents	(6)	7
Cash and Cash Equivalents, Period Increase (Decrease)	392	83
Total Cash and Cash Equivalents	1,106	494	714	411
Cash Dividends Paid to Parent Company	0	0
Contributions from noncontrolling interests	465	124
Consolidated Entity Excluding Variable Interest Entities (VIE) [Member] \| Express pipeline system [Member]
Guarantor Obligations [Line Items]
Proceeds from Sale of Equity Method Investments	403
Consolidated Entity Excluding Variable Interest Entities (VIE) [Member] \| Kinder Morgan Energy Partners, L.P. [Member]
Guarantor Obligations [Line Items]
Acquisition Of Investments	0
Consolidated Entity Excluding Variable Interest Entities (VIE) [Member] \| BBPP Holdings Ltda [Member]
Guarantor Obligations [Line Items]
Proceeds from Sale of Equity Method Investments	$ 88