v2.4.0.6

Reconciliation of Significant Asset Balances | 3 Months Ended
--- | ---
Mar. 31, 2013
Reconciliation of Significant Asset Balances [Abstract] |
Reconciliation of Significant Asset Balances | Reconciliation of Significant Balance Sheet Accounts The following is a reconciliation between KMP’s and EPB’s significant asset and liability balances as reported in KMP’s and EPB’s Quarterly Reports on Form 10-Q for the quarter ended March 31, 2013 and Annual Reports on Form 10-K for the year ended December 31, 2012 and our consolidated asset and liability balances as shown on our accompanying consolidated balance sheets (in millions):
| March 31, 2013 |  | December 31, 2012 (a)
Cash and cash equivalents - KMI (b) | $ | 164 |  |  | $ | 71 |
Cash and cash equivalents - KMP | 736 |  |  | 529 |
Cash and cash equivalents - EPB | 206 |  |  | 114 |
Cash and cash equivalents | $ | 1,106 |  |  | $ | 714 |
Property, plant and equipment, net–KMI (b) | $ | 2,717 |  |  | $ | 2,735 |
Property, plant and equipment, net–KMP | 22,584 |  |  | 22,330 |
Property, plant and equipment, net–EPB | 5,900 |  |  | 5,931 |
Property, plant and equipment, net | $ | 31,201 |  |  | $ | 30,996 |
Goodwill–KMI (b) | $ | 18,135 |  |  | $ | 18,133 |
Goodwill–KMP | 5,412 |  |  | 5,417 |
Goodwill–EPB | 22 |  |  | 22 |
Goodwill | $ | 23,569 |  |  | $ | 23,572 |
Current portion of debt–KMI (b) | $ | 1,585 |  |  | $ | 1,153 |
Current portion of debt–KMP | 1,127 |  |  | 1,155 |
Current portion of debt–EPB | 164 |  |  | 93 |
Current portion of debt | $ | 2,876 |  |  | $ | 2,401 |
Long-term debt outstanding–KMI (b) | $ | 7,954 |  |  | $ | 9,148 |
Long-term debt outstanding–KMP | 16,829 |  |  | 15,907 |
Long-term debt outstanding–EPB (c) | 4,182 |  |  | 4,254 |
Long-term debt outstanding | $ | 28,965 |  |  | $ | 29,309 |
_______
(a) | Retrospectively adjusted as discussed in Note 2.
(b) | Includes assets and liabilities of KMI’s consolidated subsidiaries, excluding KMP and EPB.
(c) | Excludes debt fair value adjustments. Decrease to long-term debt for debt fair value adjustments totaled $8 million as of both March 31, 2013 and December 31, 2012.

X
- Details
Name: | kmi_ReconciliationOfSignificantAssetBalancesAbstract
Namespace Prefix: | kmi_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Disclosure of the net change between reporting periods of significant balance sheet assets. + References No definition available. + Details
Name: | kmi_ReconciliationOfSignificantAssetBalancesTextBlock
Namespace Prefix: | kmi_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration