XML 48 R65.htm IDEA: XBRL DOCUMENT v3.3.0.814
20. Inventory Risk Management (Details) - Refined products - net short (long) positions
Sep. 30, 2015
shares
Volume in Thousands of barrels  
Notional Contract Volumes 2015 155,000
Notional Contract Volumes 2016
Notional Contract Volumes 2017