v2.4.0.8

General Earnings Per Share (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2014 | Mar. 31, 2013
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] |  |
Net (loss) income attributable to Kinder Morgan, Inc. | $ 287 | $ 292
Class P [Member] |  |
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] |  |
Net (loss) income attributable to Kinder Morgan, Inc. | 284 | 291
Participating Securities [Member] |  |
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] |  |
Net (loss) income attributable to Kinder Morgan, Inc. | $ 3 | $ 1
Restricted Stock [Member] |  |
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] |  |
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements | 7 | 2
Warrant [Member] |  |
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] |  |
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements | 341 | 439
Convertible Preferred Stock [Member] |  |
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] |  |
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements | 10 | 10

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

X
- Definition Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 28A -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1500-109256 + Details
Name: | us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1377-109256 + Details
Name: | us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration