|
Litigation, Environmental and Other Contingencies Other Contingencies (Details) (Debt Securities [Member], USD $)
In Millions, unless otherwise specified |
Mar. 31, 2014
|
|---|---|
|
Kinder Morgan Energy Partners, L.P. [Member]
|
|
| Loss Contingencies [Line Items] | |
| Guarantor Obligations, Maximum Exposure, Undiscounted | $ 5,900 |
|
El Paso Pipeline Partners, L.P. [Member]
|
|
| Loss Contingencies [Line Items] | |
| Guarantor Obligations, Maximum Exposure, Undiscounted | 470 |
|
KMI Asset Drop Down [Member] | Kinder Morgan Energy Partners, L.P. [Member]
|
|
| Loss Contingencies [Line Items] | |
| Guarantor Obligations, Maximum Exposure, Undiscounted | $ 5,200 |