XML 23 R50.htm IDEA: XBRL DOCUMENT v2.4.0.8
Commitments and Contingencies (Details 2) (USD $)
In Millions, unless otherwise specified
3 Months Ended 1 Months Ended 36 Months Ended 1 Months Ended 22 Months Ended 1 Months Ended 3 Months Ended 2 Months Ended 3 Months Ended
Mar. 31, 2014
Dec. 31, 2013
Mar. 31, 2014
Minimum
Mar. 31, 2014
Maximum
Apr. 30, 2011
Rainbow pipeline
bbl
Mar. 31, 2014
Rainbow pipeline
Feb. 26, 2013
Rainbow pipeline
enforcementaction
Jun. 30, 2012
Rangeland Pipeline Release
bbl
Mar. 31, 2014
Rangeland Pipeline Release
Jul. 04, 2013
Rangeland Pipeline Release
enforcementaction
Feb. 28, 2013
Bay Springs Pipeline
bbl
Mar. 31, 2014
Bay Springs Pipeline
Jun. 30, 2013
Kemp River Pipeline Release
bbl
event
Mar. 31, 2014
Kemp River Pipeline Release
Environmental                            
Estimated environmental reserve $ 91 $ 93                        
Reserve for environmental liabilities, short-term 12 11                        
Reserve for environmental liabilities, long-term 79 82                        
Probable recoveries from insurers and third parties recorded as a receivable 10 10                        
Actual cash expenditures for environmental liabilities, period paid     3 years 5 years                    
Number of events occurred                         2  
Estimated size of release (in barrels)         28,000     3,000     120   700  
Number of enforcement actions             4     4        
Total estimated cost to clean up and remediate the site, before insurance recoveries                           15
Total cost to clean up and remediate the site, before insurance recoveries           70     46     6    
Charges, fines or penalties assessed                 $ 0         $ 0