v2.4.0.6
Litigation, Environmental and Other Contingencies Enviormental Matters (Details) (USD $)
 3 Months Ended
Mar. 31, 2013
Dec. 31, 2012
Loss Contingencies [Line Items]    
Loss contingency, duration of damages sought 60 days  
Accrual for environmental loss contingencies $ 385,000,000 $ 397,000,000
Environmental recoveries receivable 21,000,000 22,000,000
KMI [Member]
    
Loss Contingencies [Line Items]    
Accrual for environmental loss contingencies 219,000,000 228,000,000
Colorado Oil and Gas Conservation Commission [Member]
    
Loss Contingencies [Line Items]    
Loss contingency, damages sought, value 0  
New Jersey Department of Environmental Protection [Member]
    
Loss Contingencies [Line Items]    
Loss contingency, duration of damages sought 40 years  
Portland Harbor Superfund Site [Member]
    
Loss Contingencies [Line Items]    
Number of liquid terminals (terminals) 2  
Number of parties involoved in site cleanup (parties) 90  
Roosevelt Irrigation District [Member]
    
Loss Contingencies [Line Items]    
Loss contingency, damages sought, value 175,000,000  
Loss contingency, number of defendants (defendants) 70  
Los Angeles Marine Terminal in the Port of Los Angeles [Member]
    
Loss Contingencies [Line Items]    
Loss contingency, damages sought, value 15,000,000  
Site contingency, percentage of costs applicable 60.00%  
Exxon Mobil Corporation [Member]
    
Loss Contingencies [Line Items]    
Litigation Settlement, Gross 1,000,000  
Site contingency, percentage of costs applicable 50.00%  
Cost of Services, Environmental Remediation 750,000  
Mission Valley Terminal Lawsuit [Member]
    
Loss Contingencies [Line Items]    
Loss contingency, damages sought, value 365,000,000  
Loss contingency, original damages sought, value $ 170,000,000