v2.4.0.6
FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS (Details 2) (USD $)
In Millions, unless otherwise specified
 3 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Reconciliation of Assets and Liabilities Measured at Fair Value on a Recurring Basis Using Significant Unobservable Inputs (Level 3)    
Balance at beginning of period $ 281 $ 571
Purchases 767 908
Sales (526) (400)
Issuances (1) (26)
Settlements 17 (51)
Transfers into Level 3 166 122
Transfers out of Level 3 (80) (12)
Balance at end of period 739 1,033
Changes in unrealized gains and (losses) relating to assets and liabilities included in Cost of goods sold 651 657
Changes in unrealized gains and (losses) relating to assets and liabilities included in Foreign exchange gains (losses)   1
Cost of goods sold
    
Reconciliation of Assets and Liabilities Measured at Fair Value on a Recurring Basis Using Significant Unobservable Inputs (Level 3)    
Total gains and losses (realized/unrealized) included in income 115 (80)
Foreign exchange gains (losses)
    
Reconciliation of Assets and Liabilities Measured at Fair Value on a Recurring Basis Using Significant Unobservable Inputs (Level 3)    
Total gains and losses (realized/unrealized) included in income   1
Derivatives, net
    
Reconciliation of Assets and Liabilities Measured at Fair Value on a Recurring Basis Using Significant Unobservable Inputs (Level 3)    
Balance at beginning of period (2) 307
Purchases 2 36
Issuances (1) (26)
Settlements 17 (51)
Transfers into Level 3 (14) 5
Transfers out of Level 3 (15) 7
Balance at end of period 62 237
Changes in unrealized gains and (losses) relating to assets and liabilities included in Cost of goods sold 83 (38)
Changes in unrealized gains and (losses) relating to assets and liabilities included in Foreign exchange gains (losses)   1
Derivatives, net | Cost of goods sold
    
Reconciliation of Assets and Liabilities Measured at Fair Value on a Recurring Basis Using Significant Unobservable Inputs (Level 3)    
Total gains and losses (realized/unrealized) included in income 75 (42)
Derivatives, net | Foreign exchange gains (losses)
    
Reconciliation of Assets and Liabilities Measured at Fair Value on a Recurring Basis Using Significant Unobservable Inputs (Level 3)    
Total gains and losses (realized/unrealized) included in income   1
Readily marketable inventories
    
Reconciliation of Assets and Liabilities Measured at Fair Value on a Recurring Basis Using Significant Unobservable Inputs (Level 3)    
Balance at beginning of period 283 264
Purchases 765 872
Sales (526) (400)
Transfers into Level 3 180 117
Transfers out of Level 3 (65) (19)
Balance at end of period 677 796
Changes in unrealized gains and (losses) relating to assets and liabilities included in Cost of goods sold 568 695
Readily marketable inventories | Cost of goods sold
    
Reconciliation of Assets and Liabilities Measured at Fair Value on a Recurring Basis Using Significant Unobservable Inputs (Level 3)    
Total gains and losses (realized/unrealized) included in income $ 40 $ (38)