XML 92 R76.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Goodwill Goodwill - Rollforward (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | Feb. 27, 2015
Goodwill [Line Items] |  |  |  |
Goodwill, Impairment Loss | $ 0 | $ 0 | $ 1,150 |
Historical Goodwill |  |  | 29,353 |
Accumulated impairment losses |  |  | (5,563) |
Goodwill | 22,162 | 22,152 | 23,790 |
Divestitures(a) | (3) | (1,644) |  |
Currency translation | 13 | 6 |  |
Natural Gas Pipelines Regulated |  |  |  |
Goodwill [Line Items] |  |  |  |
Historical Goodwill |  |  | 17,527 |
Accumulated impairment losses |  |  | (1,643) |
Goodwill | 14,249 | 14,249 | 15,884 |
Divestitures(a) | 0 | (1,635) |  |
Currency translation | 0 | 0 |  |
Natural Gas Pipelines Non-Regulated |  |  |  |
Goodwill [Line Items] |  |  |  |
Goodwill, Impairment Loss |  |  | 1,150 |
Historical Goodwill |  |  | 5,812 |
Accumulated impairment losses |  |  | (1,597) |
Goodwill | 4,215 | 4,215 | 4,215 |
Divestitures(a) | 0 | 0 |  |
Currency translation | 0 | 0 |  |
CO2 |  |  |  |
Goodwill [Line Items] |  |  |  |
Historical Goodwill |  |  | 1,528 |
Accumulated impairment losses |  |  | 0 |
Goodwill | 1,528 | 1,528 | 1,528 |
Divestitures(a) | 0 | 0 |  |
Currency translation | 0 | 0 |  |
Products Pipelines |  |  |  |
Goodwill [Line Items] |  |  |  |
Historical Goodwill |  |  | 2,125 |
Accumulated impairment losses |  |  | (1,197) |
Goodwill | 928 | 928 | 928 |
Divestitures(a) | 0 | 0 |  |
Currency translation | 0 | 0 |  |
Products Pipelines Terminals |  |  |  |
Goodwill [Line Items] |  |  |  |
Historical Goodwill |  |  | 221 |
Accumulated impairment losses |  |  | (70) |
Goodwill | 151 | 151 | 151 |
Divestitures(a) | 0 | 0 |  |
Currency translation | 0 | 0 |  |
Terminals |  |  |  |
Goodwill [Line Items] |  |  |  |
Historical Goodwill |  |  | 1,584 |
Accumulated impairment losses |  |  | (679) |
Goodwill | 893 | 896 | 905 |
Divestitures(a) | (3) | (9) |  |
Currency translation | 0 | 0 |  |
Kinder Morgan Canada |  |  |  |
Goodwill [Line Items] |  |  |  |
Historical Goodwill |  |  | 556 |
Accumulated impairment losses |  |  | (377) |
Goodwill | 198 | 185 | $ 179 |
Divestitures(a) | 0 | 0 |  |
Currency translation | $ 13 | $ 6 |  |
Vopak Terminal Assets [Member] |  |  |  |
Goodwill [Line Items] |  |  |  |
Goodwill |  |  |  | $ 6

X
- Definition Historical goodwill including accumulated activities except impairments + References No definition available. + Details
Name: | kmi_HistoricalGoodwillIncludingAccumulatedActivitiesExceptImpairments
Namespace Prefix: | kmi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975 + Details
Name: | us-gaap_Goodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
Name: | us-gaap_GoodwillForeignCurrencyTranslationGainLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a,h) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
Name: | us-gaap_GoodwillImpairedAccumulatedImpairmentLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13777-109266 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
Name: | us-gaap_GoodwillImpairmentLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_GoodwillLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of divestiture of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
Name: | us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | kmi_GoodwillreportingunitsAxis=kmi_RegulatedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | kmi_GoodwillreportingunitsAxis=kmi_NaturalGasPipelinesNonregulatedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | kmi_GoodwillreportingunitsAxis=kmi_Co2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | kmi_GoodwillreportingunitsAxis=kmi_ProductsPipelinesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | kmi_GoodwillreportingunitsAxis=kmi_ProductsPipelinesTerminalsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | kmi_GoodwillreportingunitsAxis=kmi_TerminalsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | kmi_GoodwillreportingunitsAxis=kmi_KinderMorganCanadaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=kmi_RoyalVopakassetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |