XML 66 R55.htm IDEA: XBRL DOCUMENT v2.4.0.8
Commitments and Contingencies (Details 2) (USD $)
In Millions, unless otherwise specified
 6 Months Ended 0 Months Ended 26 Months Ended 0 Months Ended 6 Months Ended 13 Months Ended 0 Months Ended 6 Months Ended 2 Months Ended 6 Months Ended
Jun. 30, 2013
Dec. 31, 2012
Jun. 30, 2013
Minimum
Jun. 30, 2013
Maximum
Apr. 29, 2011
Rainbow pipeline
bbl
Jun. 30, 2013
Rainbow pipeline
Feb. 26, 2013
Rainbow pipeline
item
Jun. 07, 2012
Rangeland Pipeline Release
bbl
Jun. 30, 2013
Rangeland Pipeline Release
Jun. 30, 2013
Rangeland Pipeline Release
Jul. 04, 2013
Rangeland Pipeline Release
item
Feb. 05, 2013
Bay Springs Pipeline
bbl
Jun. 30, 2013
Bay Springs Pipeline
Jun. 30, 2013
Kemp River Pipeline Release
item
bbl
Jun. 30, 2013
Kemp River Pipeline Release
Environmental                              
Estimated environmental reserve $ 110 $ 96                          
Reserve for environmental liabilities, short-term 17 13                          
Reserve for environmental liabilities, long-term 93 83                          
Probable recoveries from insurers and third parties recorded as a receivable 15 42                          
Actual cash expenditures for environmental liabilities, period paid     3 years 5 years                      
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       45     6    
Estimated size of release (in barrels)         28,000     3,000       120   1,250  
Penalty or fines assessed                 $ 0            
Number of enforcement actions             4       4        
Number of events occurred                           2