XML 114 R110.htm IDEA: XBRL DOCUMENT v2.4.0.6
Financial Instruments - Additional Information (Detail)
 12 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended
Dec. 31, 2012
USD ($)
Dec. 31, 2011
USD ($)
Dec. 31, 2012
Asset-backed Securities [Member]
USD ($)
Dec. 31, 2012
Asset-backed Securities [Member]
CAD
Dec. 31, 2011
Asset-backed Securities [Member]
USD ($)
Dec. 31, 2011
Asset-backed Securities [Member]
CAD
Dec. 31, 2012
CANADA
Gigajoule
Dec. 31, 2012
CANADA
Minimum [Member]
Dec. 31, 2012
CANADA
Maximum [Member]
Dec. 31, 2012
UNITED STATES
MMBTU
Dec. 31, 2012
UNITED STATES
Minimum [Member]
Dec. 31, 2012
UNITED STATES
Maximum [Member]
Dec. 31, 2012
Natural Gas Swap Contracts [Member]
USD ($)
Dec. 31, 2012
Forward Contracts [Member]
USD ($)
Dec. 31, 2012
Propylene Contracts [Member]
USD ($)
lb
Dec. 31, 2012
Propylene Contracts [Member]
Minimum [Member]
USD ($)
Dec. 31, 2012
Propylene Contracts [Member]
Maximum [Member]
USD ($)
Derivative Instruments, Gain (Loss) [Line Items]                                  
Foreign exchange forward contracts, gain recognized in other comprehensive income                           $ 69,000,000      
Foreign exchange forward contracts, loss recognized in other comprehensive income                         4,000,000 20,000,000      
Swaps outstanding fixed price             700,000     500,000         18,100,000    
Swap fixed price               6.28 6.50   6.88 7.06          
Fixed price per lbs                               0.5375 0.6500
Unrealized gains on contracts                             2,000,000    
Face value of investments       107,000,000   125,000,000                      
Trading securities 1,612,000,000 1,407,000,000 90,000,000 90,000,000 82,000,000 84,000,000                      
Fair value of investments carrying value 9,000,000 12,000,000                              
Long-term debt due within one year $ 249,000,000 $ 151,000,000                              
Percentage of sales to six largest customers 83.00%