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 |