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Fair Value Measurements (Tables)
3 Months Ended 6 Months Ended 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2011
Dec. 31, 2010
Jun. 30, 2011
Fair Value Measurements          
Fair Value Measurements At Reporting Date    
   
Fair Value Measurements at December 31, 2011
 
   
 
Quoted Prices in
 Active Markets
 for Identical
 Assets
 (Level 1)
   
Significant
 Other
 Observable
 Inputs
 (Level 2)
   
 
Significant 
Unobservable
Inputs
(Level 3)
   
 
 
 
 Total
 
   
(In millions)
 
                         
Assets:
                       
Inventories carried at market
  $     $ 4,798     $ 1,624     $ 6,422  
Unrealized derivative gains:
                               
  Commodity contracts
    1,200       737       198       2,135  
  Foreign exchange contracts
          288             288  
Marketable securities
    1,790       93             1,883  
Total Assets
  $ 2,990     $ 5,916     $ 1,822     $ 10,728  
                                 
Liabilities:
                               
Unrealized derivative losses:
                               
  Commodity contracts
  $ 1,295     $ 755     $ 192     $ 2,242  
  Foreign exchange contracts
          307             307  
Inventory-related payables
          425       196       621  
Total Liabilities
  $ 1,295     $ 1,487     $ 388     $ 3,170  
 

 

 

   
Fair Value Measurements at June 30, 2011
 
   
 
Quoted Prices in
 Active Markets
 for Identical
 Assets
 (Level 1)
   
Significant
 Other
 Observable
 Inputs
 (Level 2)
   
 
Significant 
Unobservable
Inputs
(Level 3)
   
 
 
 
 Total
 
   
(In millions)
 
                         
Assets:
                       
Inventories carried at market
  $     $ 5,153     $ 762     $ 5,915  
Unrealized derivative gains:
                               
  Commodity contracts
    1,198       1,457       112       2,767  
  Foreign exchange contracts
          237             237  
  Interest rate contracts
          3             3  
Marketable securities
    1,628       328             1,956  
Total Assets
  $ 2,826     $ 7,178     $ 874     $ 10,878  
                                 
Liabilities:
                               
Unrealized derivative losses:
                               
  Commodity contracts
  $ 1,317     $ 1,193     $ 44     $ 2,554  
  Foreign exchange contracts
          178             178  
Inventory-related payables
          278       45       323  
Total Liabilities
  $ 1,317     $ 1,649     $ 89     $ 3,055  
Reconciliation of Assets Measured at Fair Value On A Recurring Basis Using Significant Unobservable Inputs (Level 3)
   
Level 3 Fair Value Asset Measurements at
December 31, 2011
 
   
Inventories
 Carried at
 Market
   
Commodity
Derivative
Contracts
Gains
   
 
Total 
Assets
 
   
(In millions)
 
                   
Balance, September 30, 2011
  $ 1,348     $ 270     $ 1,618  
   Total increase (decrease) in unrealized gains
      included in cost of products sold
    28       138       166  
   Purchases
    959             959  
   Sales
    (963 )           (963 )
   Settlements
          (185 )     (185 )
   Transfers into Level 3
    306       34       340  
   Transfers out of Level 3
    (54 )     (59 )     (113 )
Ending balance, December 31, 2011
  $ 1,624     $ 198     $ 1,822  
 
   
Level 3 Fair Value Asset Measurements at
December 31, 2011
 
   
Inventories
 Carried at
 Market
   
Commodity
Derivative
Contracts
Gains
   
 
Total 
Assets
 
   
(In millions)
 
                   
Balance, June 30, 2011
  $ 762     $ 112     $ 874  
   Total increase (decrease) in unrealized gains
      included in cost of products sold
    (18 )     335       317  
   Purchases
    1,095       4       1,099  
   Sales
    (1,224 )           (1,224 )
   Settlements
          (244 )     (244 )
   Transfers into Level 3
    1,073       84       1,157  
   Transfers out of Level 3
    (64 )     (93 )     (157 )
Ending balance, December 31, 2011
  $ 1,624     $ 198     $ 1,822  
   
Reconciliation of Liabilities Measured at Fair Value On A Recurring Basis Using Significant Unobservable Inputs (Level 3)
   
Level 3 Fair Value Liability Measurements at
December 31, 2011
 
   
Inventory-
 related
 Payables
   
Commodity
Derivative
Contracts
Losses
   
 
Total 
Liabilities
 
   
(In millions)
 
                   
Balance, September 30, 2011
  $ 134     $ 244     $ 378  
   Total increase (decrease) in unrealized losses
      included in cost of products sold
    4       136       140  
   Purchases
    4             4  
   Sales
    (6 )           (6 )
   Settlements
          (158 )     (158 )
   Transfers into Level 3
    60       4       64  
   Transfers out of Level 3
          (34 )     (34 )
Ending balance, December 31, 2011
  $ 196     $ 192     $ 388  
 
   
Level 3 Fair Value Liability Measurements at
December 31, 2011
 
   
Inventory-
 related
 Payables
   
Commodity
Derivative
Contracts
Losses
   
 
Total 
Liabilities
 
   
(In millions)
 
                   
Balance, June 30, 2011
  $ 45     $ 44     $ 89  
   Total increase (decrease) in unrealized losses
      included in cost of products sold
    4       306       310  
   Purchases
    (2 )     1       (1 )
   Sales
    (4 )           (4 )
   Settlements
          (139 )     (139 )
   Transfers into Level 3
    153       19       172  
   Transfers out of Level 3
          (39 )     (39 )
Ending balance, December 31, 2011
  $ 196     $ 192     $ 388  
   
Reconciliation of Assets And Liabilities Measured At Fair Value On A Recurring Basis Using Significant Unobservable Inputs (Level 3)  
   
Level 3 Fair Value Measurements at
December 31, 2010
 
   
Inventories
 Carried at
 Market, Net
   
Commodity
Derivative
Contracts,
Net
   
 
 Total
 
   
(In millions)
 
                   
Balance, September 30, 2010
  $ 371     $ 35     $ 406  
   Total gains (losses), realized or
      unrealized, included in earnings
      before income taxes*
    (27 )     62       35  
   Purchases, issuances and settlements
    43       1       44  
   Transfers into Level 3
    2       (1 )     1  
   Transfers out of Level 3
    (83 )     (5 )     (88 )
Ending balance, December 31, 2010
  $ 306     $ 92     $ 398  
 
   
Level 3 Fair Value Measurements at
December 31, 2010
 
   
Inventories
 Carried at
 Market, Net
   
Derivative
Contracts,
Net
   
 
 Total
 
   
(In millions)
 
                   
Balance, June 30, 2010
  $ 427     $ 13     $ 440  
   Total gains (losses), realized or
      unrealized, included in earnings
      before income taxes*
    4       98       102  
   Purchases, issuances and settlements
    114       3       117  
   Transfers in to Level 3
    8             8  
   Transfers out of Level 3
    (247 )     (22 )     (269 )
Ending balance, December 31, 2010
  $ 306     $ 92     $ 398