XML 77 R59.htm IDEA: XBRL DOCUMENT v2.4.0.8
Derivative Instruments and Hedging Activities (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
6 Months Ended 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2013
Dec. 31, 2012
Jun. 30, 2012
Jun. 30, 2011
Derivative [Line Items]            
Gains (losses) on interest rate swaps $ 0 $ 0 $ 0 $ 0 $ 0 $ 30
Not Designated As Hedging Instrument [Member]
           
Derivative [Line Items]            
Gains (losses) on interest rate swaps           30
Designated As Hedging Instrument [Member]
           
Derivative [Line Items]            
Interest Rate Derivative Liabilities, at Fair Value 0   9 0    
After-tax losses in AOCI from commodity cash flow hedge transactions     (15)      
After-tax losses in AOCI from commodity cash flow hedge transactions expected to be recognized in earnings.     (15)      
Number of months cash flow hedges gains will be recognized in earnings     12 months      
Total after-tax gains deferred in AOCI related to treasury-lock agreements and interest rate swaps     21      
Total after-tax gains deferred in AOCI related to treasury-lock agreements and interest rate swaps that will be recognized in earnings     21      
Corn [Member] | Designated As Hedging Instrument [Member]
           
Derivative [Line Items]            
Corn processed per month (in bushels)     76,000,000      
Historical time period of hedge percentages     12 months      
Percentage of Anticipated Commodity Hedged During Historical Hedging Period, Low End     15.00%      
Percentage of anticipated commodity purchases or production hedged during historical hedging period, high end of range (as a percent)     25.00%      
Percentage of Anticipated Commodity Hedged over Future Hedging Period, Low End     2.00%      
Percentage of Anticipated Commodity Hedged over Future Hedging Period, High End     23.00%      
Derivative Hedged Item Time Period     12 months      
Natural gas [Member] | Designated As Hedging Instrument [Member]
           
Derivative [Line Items]            
Natural gas used by production facilities per month (in MMbtus)     3,800,000      
Historical time period of hedge percentages     12 months      
Percentage of Anticipated Commodity Hedged During Historical Hedging Period, Low End     13.00%      
Percentage of anticipated commodity purchases or production hedged during historical hedging period, high end of range (as a percent)     66.00%      
Percentage of Anticipated Commodity Hedged over Future Hedging Period, Low End     17.00%      
Percentage of Anticipated Commodity Hedged over Future Hedging Period, High End     21.00%      
Derivative Hedged Item Time Period     3 months      
Ethanol [Member] | Designated As Hedging Instrument [Member]
           
Derivative [Line Items]            
Historical time period of hedge percentages     12 months      
Derivative Hedged Item Time Period     6 months      
Commodity sales volume hedged during historical hedging period, low end of range (in gallons)     1,000,000      
Commodity sales volume hedged during historical hedging period, high end of range (in gallons)     14,000,000      
Contracted commodity sales volume hedged over future hedging period, low end of range (in gallons)     1,000,000      
Contracted commodity sales volume hedged over future hedging period, high end of range (in gallons)     12,000,000      
Foreign Currency Exchange [Member] | Designated As Hedging Instrument [Member]
           
Derivative [Line Items]            
Historical time period of hedged amounts     12 months      
Foreign currency expenditures hedged during historical hedging period, low end of range     12      
Foreign currency expenditures hedged during historical hedging period, high end of range     18      
Foreign currency expenditures hedged     12      
After-tax losses in AOCI related to foreign exchange contracts designated as cash flow hedging instruments     0      
Cash flow hedge losses that will be recognized in earnings     $ 0      
Minimum [Member] | Designated As Hedging Instrument [Member]
           
Derivative [Line Items]            
Number of months gain on treasury lock agreements and interest rate swaps will be recognized in earnings     10 years      
Maximum [Member] | Designated As Hedging Instrument [Member]
           
Derivative [Line Items]            
Number of months gain on treasury lock agreements and interest rate swaps will be recognized in earnings     30 years