XML 147 R131.htm IDEA: XBRL DOCUMENT v3.20.4

Litigation and Environmental - Louisiana Landowner (Details) - Judicial District of Louisiana - Louisiana Landowner Coastal Erosion Litigation	Jan. 31, 2015
TGP
Loss Contingency, Pending Claims, Number	2
SNG
Loss Contingency, Pending Claims, Number	2
TGP and SNG
Loss Contingency, Pending Claims, Number	2

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=121557415&loc=d3e14435-108349

+ Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

Name:	dei_LegalEntityAxis=kmi_SngMember
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: