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Debt Credit Facilities (Details) - Kinder Morgan, Inc. [Member] - USD ($)
$ in Millions
Jun. 30, 2016
Jan. 26, 2016
Line of Credit Facility [Line Items]    
Line of Credit Facility, Prior Borrowing Capacity   $ 4,000
Line of Credit Facility, Current Borrowing Capacity $ 5,000  
Line of Credit Facility, Remaining Borrowing Capacity 4,102  
Letters of Credit Outstanding, Amount $ 174