v2.4.0.6

Risk Management Fair Value of Derivative Contracts (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended |
--- | --- | ---
Mar. 31, 2013 | Dec. 31, 2012
Derivatives, Fair Value [Line Items] |  |
Netting Agreement Impact, Credit Risk Derivatives | $ 33 | $ 38
Amount the adjustment to fair value of debt was increased by related to the fair value of interest rate swaps | 576 | 664
Amount the fair value of debt adjustment was decreased by related to unamortized debt discounts | 36 | 33
Asset derivatives | 657 | 772
Derivative Liability, Fair Value, Net | (220) | (213)
Unamortized premium | 478 | 490
Amortization period of unamortized premium | 18 years |
Designated as Hedging Contracts [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset derivatives | 635 | 747
Derivative Liability, Fair Value, Net | (56) | (30)
Not Designated as Hedging Contracts [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset derivatives | 22 | 25
Derivative Liability, Fair Value, Net | (164) | (183)
Commodity Contract [Member] | Designated as Hedging Contracts [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset derivatives | 56 | 82
Derivative Liability, Fair Value, Net | (53) | (29)
Commodity Contract [Member] | Designated as Hedging Contracts [Member] | Current-Fair value of derivative contracts [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset derivatives | 19 | 42
Commodity Contract [Member] | Designated as Hedging Contracts [Member] | Other Current Liabilities [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Liability, Fair Value, Net | (45) | (18)
Commodity Contract [Member] | Designated as Hedging Contracts [Member] | Non-current-Fair value of derivative contracts [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset derivatives | 37 | 40
Commodity Contract [Member] | Designated as Hedging Contracts [Member] | Non Current Liabilities [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Liability, Fair Value, Net | (8) | (11)
Commodity Contract [Member] | Not Designated as Hedging Contracts [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset derivatives | 7 | 4
Derivative Liability, Fair Value, Net | (4) | (4)
Commodity Contract [Member] | Not Designated as Hedging Contracts [Member] | Current-Fair value of derivative contracts [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset derivatives | 7 | 4
Commodity Contract [Member] | Not Designated as Hedging Contracts [Member] | Other Current Liabilities [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Liability, Fair Value, Net | (4) | (3)
Commodity Contract [Member] | Not Designated as Hedging Contracts [Member] | Non-current-Fair value of derivative contracts [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset derivatives | 0 |
Derivative Liability, Fair Value, Net |  | 0
Commodity Contract [Member] | Not Designated as Hedging Contracts [Member] | Non Current Liabilities [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Liability, Fair Value, Net | 0 | (1)
Power Derivative Contract [Member] | Not Designated as Hedging Contracts [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset derivatives | 15 | 21
Derivative Liability, Fair Value, Net | (160) | (179)
Power Derivative Contract [Member] | Not Designated as Hedging Contracts [Member] | Current-Fair value of derivative contracts [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset derivatives | 6 | 8
Power Derivative Contract [Member] | Not Designated as Hedging Contracts [Member] | Other Current Liabilities [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Liability, Fair Value, Net | (55) | (59)
Power Derivative Contract [Member] | Not Designated as Hedging Contracts [Member] | Non-current-Fair value of derivative contracts [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset derivatives | 9 | 13
Power Derivative Contract [Member] | Not Designated as Hedging Contracts [Member] | Non Current Liabilities [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Liability, Fair Value, Net | (105) | (120)
Interest Rate Swap [Member] | Designated as Hedging Contracts [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset derivatives | 579 | 665
Derivative Liability, Fair Value, Net | (3) | (1)
Fair Value Hedging [Member] | Interest Rate Swap [Member] | Designated as Hedging Contracts [Member] | Current-Fair value of derivative contracts [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset derivatives | 7 | 9
Fair Value Hedging [Member] | Interest Rate Swap [Member] | Designated as Hedging Contracts [Member] | Other Current Liabilities [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Liability, Fair Value, Net | 0 | 0
Fair Value Hedging [Member] | Interest Rate Swap [Member] | Designated as Hedging Contracts [Member] | Non-current-Fair value of derivative contracts [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset derivatives | 572 | 656
Fair Value Hedging [Member] | Interest Rate Swap [Member] | Designated as Hedging Contracts [Member] | Non Current Liabilities [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Liability, Fair Value, Net | (3) | (1)
Kinder Morgan Energy Partners, L.P. [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Margin Deposit Assets | $ 21 | $ 5

X
- Definition Amount the adjustment to fair value of debt was increased by related to the fair value of interest rate swaps + References No definition available. + Details
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- Definition Amount the fair value of debt adjustment was decreased by related to unamortized debt discounts + References No definition available. + Details
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- Definition Period when adjustments to the carrying value of an interest-bearing hedged item are amortized upon discontinuation of the interest rate fair value hedge, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 25 -Section 35 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6439857&loc=d3e75592-113984 + Details
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- Definition Amount as of the balance sheet date of the unamortized adjustment to the carrying value of an interest-bearing hedged item made under an effective interest rate fair value hedge that is amortized upon discontinuation of the interest rate fair value hedge. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 25 -Section 35 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6439857&loc=d3e75592-113984 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 24 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Fair value of the gross assets less the gross liabilities of a derivative asset or group of derivative assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41271-113958 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13433-108611 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13495-108611 + Details
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- Definition Fair value of the gross liabilities less the gross assets of a derivative liability or group of derivative liabilities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41271-113958 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13433-108611 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13495-108611 + Details
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- Definition The amount of cash or securities placed with a broker or counterparty as security for a trading or derivatives securities position which was partially obtained with funds provided by the broker dealer. + 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 210.5-02.8,17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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