XML 151 R134.htm IDEA: XBRL DOCUMENT v3.10.0.1

Litigation, Environmental and Other Contingencies Environmental Matters (Details)								1 Months Ended	12 Months Ended	240 Months Ended
	May 04, 2018 USD ($) a	Oct. 05, 2016 USD ($)	Jun. 08, 2016 USD ($)	Dec. 18, 2015 USD ($)	Nov. 08, 2013	Aug. 06, 2013 Defendants	Dec. 31, 2010 USD ($) Defendants	Dec. 31, 2000 Terminals	Dec. 31, 2018 USD ($) a Terminals mi Defendants Parties	Dec. 31, 1969	Dec. 31, 2017 USD ($)	Jan. 06, 2017 USD ($)
Loss Contingencies [Line Items]
Accrual for Environmental Loss Contingencies									$ 271,000,000		$ 279,000,000
Recorded Third-Party Environmental Recoveries Receivable									$ 13,000,000		$ 13,000,000
Rare Metals Inc. [Member]
Loss Contingencies [Line Items]
Number of Uranium Mines										20
Environmental Protection Agency [Member] | Portland Harbor Superfund Site, Willamette River, Portland, Oregon [Member] | GATX Terminals Corporation (n/k/a KMLT) [Member]
Loss Contingencies [Line Items]
Estimated Remedy Implementation Period			13 years
Number of Liquid Terminals | Terminals								2	4
Accrual for Environmental Loss Contingencies, Gross			$ 750,000,000									$ 1,100,000,000
Number of Parties Involoved In Site Cleanup | Parties									90
Parish of Plaquemines, Louisiana [Member] | Bastian Bay, Buras, Empire and Fort Jackson oil and gas fields of Plaquemines Parish [Member] | TGP [Member]
Loss Contingencies [Line Items]
Loss Contingency, Number of Defendants					17
Roosevelt Irrigation District v. Kinder Morgan G.P., Inc., Kinder Morgan Energy Partners, L.P. , U.S. District Court, Arizona [Member] | Pending Litigation [Member] | SFPP Phoenix Terminal [Member] | Unfavorable Regulatory Action [Member] | KMEP and SFPP [Member]
Loss Contingencies [Line Items]
Loss Contingency, Number of Defendants | Defendants						26	70
Loss Contingency, Damages Sought, Value							$ 175,000,000
Lower Passaic River Study Area | Pending Litigation [Member]
Loss Contingencies [Line Items]
Miles of river | mi									17
Number of Parties at a Joint Defense Group									44
Lower Passaic River Study Area, Lower Portion [Member] | Pending Litigation [Member]
Loss Contingencies [Line Items]
Miles of river | mi									8
Vintage Assets Inc. [Member] | Parish of Plaquemines, Louisiana [Member] | TGP and SNG [Member]
Loss Contingencies [Line Items]
Loss Contingency, Damages Sought, Value				$ 80,000,000
Restore acreage | a	9.6
Percent of legal expenses reimbursed by current property owner				50.00%
Loss Contingency, Damages Awarded, Value	$ 1,104
Area of Land | a									5,000
Minimum [Member] | Lower Passaic River Study Area | Pending Litigation [Member]
Loss Contingencies [Line Items]
Accrual for Environmental Loss Contingencies, Gross									$ 365,000,000
Maximum [Member] | Lower Passaic River Study Area | Pending Litigation [Member]
Loss Contingencies [Line Items]
Accrual for Environmental Loss Contingencies, Gross									$ 3,200,000,000
AOC required engineering and design work [Member] | Lower Passaic River Study Area | Pending Litigation [Member]
Loss Contingencies [Line Items]
Environmental Remediation Expense		$ 165,000,000
Loss Contingency, Number of Defendants | Defendants									120
Loss Contingency, Pending Claims, Number									2
Design [Member] | Lower Passaic River Study Area | Pending Litigation [Member]
Loss Contingencies [Line Items]
Estimated Remedy Implementation Period		4 years
Clean Up Implementation [Member] | Lower Passaic River Study Area | Pending Litigation [Member]
Loss Contingencies [Line Items]
Estimated Remedy Implementation Period		6 years
EPA preferred alternative estimate [Member] | Lower Passaic River Study Area | Pending Litigation [Member]
Loss Contingencies [Line Items]
Environmental Remediation Expense									$ 1,700,000,000

X

- Definition

Estimated time to complete the implementation of remedial work

+ References

No definition available.

+ Details

Name:	kmi_EstimatedRemedyImplementationPeriod
Namespace Prefix:	kmi_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Miles of river

+ References

No definition available.

+ Details

Name:	kmi_Milesofriver
Namespace Prefix:	kmi_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Number of Liquid Terminals

+ References

No definition available.

+ Details

Name:	kmi_NumberofLiquidTerminals
Namespace Prefix:	kmi_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of Parties Involved In Site Cleanup Allocation Negotiations

+ References

No definition available.

+ Details

Name:	kmi_NumberofPartiesInvolvedInSiteCleanupAllocationNegotiations
Namespace Prefix:	kmi_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of Parties at a Joint Defense Group

+ References

No definition available.

+ Details

Name:	kmi_NumberofPartiesataJointDefenseGroup
Namespace Prefix:	kmi_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Number of Uranium Mines

+ References

No definition available.

+ Details

Name:	kmi_NumberofUraniumMines
Namespace Prefix:	kmi_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Percent of legal expenses reimbursed by current property owner

+ References

No definition available.

+ Details

Name:	kmi_Percentoflegalexpensesreimbursedbycurrentpropertyowner
Namespace Prefix:	kmi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Restore acreage

+ References

No definition available.

+ Details

Name:	kmi_Restoreacreage
Namespace Prefix:	kmi_
Data Type:	num:areaItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Total costs accrued as of the balance sheet date for environmental loss contingencies.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14326-108349

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 25
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6395460&loc=d3e13647-108346

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 30
-Section 50
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859

+ Details

Name:	us-gaap_AccrualForEnvironmentalLossContingencies
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Undiscounted amount of the accrual for environmental loss contingencies.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 30
-Section 50
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 5.Y.Q1)
-URI http://asc.fasb.org/extlink&oid=27011672&loc=d3e149879-122751

+ Details

Name:	us-gaap_AccrualForEnvironmentalLossContingenciesGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Area of land held.

+ References

No definition available.

+ Details

Name:	us-gaap_AreaOfLand
Namespace Prefix:	us-gaap_
Data Type:	num:areaItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The charge against earnings in the period for known or estimated future costs arising from requirements to perform environmental remediation activities.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 30
-Section 45
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=109237650&loc=d3e13064-110858

Reference 2: http://www.xbrl.org/2003/role/recommendedDisclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 30
-Section 50
-Paragraph 12
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13296-110859

+ Details

Name:	us-gaap_EnvironmentalRemediationExpense
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_LossContingenciesLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of damages awarded to the plaintiff in the legal matter.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 9
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14557-108349

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14435-108349

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14326-108349

+ Details

Name:	us-gaap_LossContingencyDamagesAwardedValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The value (monetary amount) of the award the plaintiff seeks in the legal matter.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 9
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14557-108349

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14435-108349

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14326-108349

+ Details

Name:	us-gaap_LossContingencyDamagesSoughtValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Number of defendants named in a legal action.

+ References

No definition available.

+ Details

Name:	us-gaap_LossContingencyNumberOfDefendants
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of pending claims pertaining to a loss contingency.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14435-108349

+ Details

Name:	us-gaap_LossContingencyPendingClaimsNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Carrying amount as of the balance sheet date of known and reasonably estimable amounts of recoveries from third-parties pertaining to an entity's environmental remediation obligations. An entity's balance sheet may include several assets that relate to an environmental remediation obligation. Among them are the following: a. Receivables from other potentially responsible parties that are not providing initial funding; b. anticipated recoveries from insurers; and c. anticipated recoveries from prior owners as a result of indemnification agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=109237650&loc=d3e13022-110858

+ Details

Name:	us-gaap_RecordedThirdPartyEnvironmentalRecoveriesReceivable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	dei_LegalEntityAxis=kmi_RareMetalsInc.Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RegulatoryAgencyAxis=kmi_EnvironmentalProtectionAgencyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_EnvironmentalRemediationSiteAxis=kmi_PortlandHarborSuperfundSiteWillametteRiverPortlandOregonMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	dei_LegalEntityAxis=kmi_GATXTerminalsCorporationnkaKMLTMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RegulatoryAgencyAxis=kmi_ParishofPlaqueminesLouisianaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_EnvironmentalRemediationSiteAxis=kmi_BastianBayBurasEmpireandFortJacksonoilandgasfieldsofPlaqueminesParishMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	dei_LegalEntityAxis=kmi_TennesseeGasPipelineCompanyLlcMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_LitigationCaseAxis=kmi_RooseveltIrrigationDistrictv.KinderMorganG.P.Inc.KinderMorganEnergyPartnersL.P.U.S.DistrictCourtArizonaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_LitigationStatusAxis=us-gaap_PendingLitigationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_EnvironmentalRemediationSiteAxis=kmi_SFPPPhoenixTerminalMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_LossContingenciesByNatureOfContingencyAxis=us-gaap_UnfavorableRegulatoryActionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	dei_LegalEntityAxis=kmi_KMEPandSFPPMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_LitigationCaseAxis=kmi_LowerPassaicRiverStudyAreaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_LitigationCaseAxis=kmi_LowerPassaicRiverStudyAreaLowerPortionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_LitigationCaseAxis=kmi_VintageAssetsInc.Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	dei_LegalEntityAxis=kmi_TGPandSNGMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_EnvironmentalRemediationContingencyAxis=kmi_AOCrequiredengineeringanddesignworkMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_EnvironmentalRemediationContingencyAxis=kmi_DesignMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_EnvironmentalRemediationContingencyAxis=kmi_CleanUpImplementationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_EnvironmentalRemediationContingencyAxis=kmi_EPApreferredalternativeestimateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: