v2.4.0.8
Debt Kinder Morgan G.P., Inc. Preferred Shares (Details) (USD $)
3 Months Ended 3 Months Ended 0 Months Ended
Mar. 31, 2014
Dec. 31, 2013
Mar. 31, 2014
Kinder Morgan G.P., Inc. [Member]
KMI $1,000 Liquidation Value Series A Fixed-to-Floating Rate Term Cumulative Preferred Stock [Member]
Mar. 31, 2013
Kinder Morgan G.P., Inc. [Member]
KMI $1,000 Liquidation Value Series A Fixed-to-Floating Rate Term Cumulative Preferred Stock [Member]
Apr. 17, 2014
Subsequent Event [Member]
Kinder Morgan G.P., Inc. [Member]
KMI $1,000 Liquidation Value Series A Fixed-to-Floating Rate Term Cumulative Preferred Stock [Member]
Debt Instrument [Line Items]          
Document Fiscal Year Focus 2014        
Preferred Stock, Shares Outstanding 0 0 100,000    
Preferred Stock, Dividends Per Share, Declared     $ 10.333 $ 10.469 $ 10.333
Preferred Stock, Dividends, Per Share, Cash Paid     $ 10.570 $ 10.638