v2.4.0.8

Pension and Other Postretirement Benefit Plans (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2014
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract] |
Schedule of Net Benefit Costs [Table Text Block] | The components of net benefit (credit) cost for our pension and other postretirement benefit (OPEB) plans, not including plans associated with KMP’s subsidiary, SFPP, and KMP’s foreign operations, are as follows (in millions):
| Pension Benefits |  | OPEB
| Three Months Ended March 31, |  | Three Months Ended March 31,
| 2014 |  | 2013 |  | 2014 |  | 2013
Service cost | $ | 7 |  |  | $ | 6 |  |  | $ | — |  |  | $ | — |
Interest cost | 27 |  |  | 23 |  |  | 7 |  |  | 5 |
Expected return on assets | (43 | ) |  | (44 | ) |  | (6 | ) |  | (5 | )
Amortization of prior service credits | — |  |  | — |  |  | (1 | ) |  | — |
Amortization of net actuarial loss | — |  |  | — |  |  | — |  |  | 1 |
Settlement gain(a) | — |  |  | (3 | ) |  | — |  |  | — |
Net benefit (credit) cost | $ | (9 | ) |  | $ | (18 | ) |  | $ | — |  |  | $ | 1 |
_______
(a) | Reflects the gain recognized upon the February 2013 settlement of our obligations under the El Paso Supplemental Executive Retirement Plan.

X
- Details
Name: | us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansDisclosuresAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfNetBenefitCostsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration