v2.4.0.6
Document And Entity Information (USD $)
3 Months Ended
Mar. 31, 2013
Apr. 29, 2013
Class A [Member]
Apr. 29, 2013
Class B [Member]
Apr. 29, 2013
Class C [Member]
Apr. 29, 2013
Class P [Member]
Entity Information [Line Items]          
Entity Registrant Name KINDER MORGAN, INC.        
Entity Central Index Key 0001506307        
Current Fiscal Year End Date --12-31        
Entity Well-known Seasoned Issuer Yes        
Entity Voluntary Filers No        
Entity Current Reporting Status Yes        
Entity Filer Category Large Accelerated Filer        
Entity Public Float $ 16,375,009,661        
Entity Common Stock, Shares Outstanding   0 0 0 1,035,748,443
Document Fiscal Year Focus 2013        
Document Fiscal Period Focus Q1        
Document Type 10-Q        
Amendment Flag false        
Document Period End Date Mar. 31, 2013