v2.4.0.6
Financial Instruments and Fair Value Measurements (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Fair Value Measurements    
Percentage of fair value of inputs considered unobservable inputs (Level 3), greater than (as a percent) 10.00% 10.00%
ASSETS    
Deferred Purchase Price Receivable $ 192  
Assets and liabilities measured at fair value on a recurring basis | Designated derivative contracts | Foreign exchange | Long-term Debt, Current
   
Liabilities    
Unrealized loss on derivative contracts   22
Assets and liabilities measured at fair value on a recurring basis | Level 1
   
ASSETS    
Other 146 252
Total assets 237 378
Liabilities    
Total liabilities 152 700
Assets and liabilities measured at fair value on a recurring basis | Level 1 | Undesignated derivative contracts | Foreign exchange
   
ASSETS    
Unrealized gain on derivative contracts   2
Assets and liabilities measured at fair value on a recurring basis | Level 1 | Undesignated derivative contracts | Commodities
   
ASSETS    
Unrealized gain on derivative contracts 75 114
Liabilities    
Unrealized loss on derivative contracts 147 692
Assets and liabilities measured at fair value on a recurring basis | Level 1 | Undesignated derivative contracts | Freight
   
ASSETS    
Unrealized gain on derivative contracts 5 1
Liabilities    
Unrealized loss on derivative contracts 1  
Assets and liabilities measured at fair value on a recurring basis | Level 1 | Undesignated derivative contracts | Energy Derivatives
   
ASSETS    
Unrealized gain on derivative contracts 11 9
Liabilities    
Unrealized loss on derivative contracts 4 8
Assets and liabilities measured at fair value on a recurring basis | Level 2
   
ASSETS    
Readily marketable inventories 3,736 4,567
Deferred Purchase Price Receivable 192  
Other 34 88
Total assets 5,025 6,677
Liabilities    
Total liabilities 1,087 1,260
Assets and liabilities measured at fair value on a recurring basis | Level 2 | Designated derivative contracts | Foreign exchange
   
ASSETS    
Unrealized gain on derivative contracts 13 22
Liabilities    
Unrealized loss on derivative contracts 45 22
Assets and liabilities measured at fair value on a recurring basis | Level 2 | Undesignated derivative contracts | Interest Rate
   
ASSETS    
Unrealized gain on derivative contracts   4
Liabilities    
Unrealized loss on derivative contracts 2 1
Assets and liabilities measured at fair value on a recurring basis | Level 2 | Undesignated derivative contracts | Foreign exchange
   
ASSETS    
Unrealized gain on derivative contracts 451 209
Liabilities    
Unrealized loss on derivative contracts 617 69
Assets and liabilities measured at fair value on a recurring basis | Level 2 | Undesignated derivative contracts | Commodities
   
ASSETS    
Unrealized gain on derivative contracts 586 1,754
Liabilities    
Unrealized loss on derivative contracts 417 1,167
Assets and liabilities measured at fair value on a recurring basis | Level 2 | Undesignated derivative contracts | Freight
   
ASSETS    
Unrealized gain on derivative contracts   22
Assets and liabilities measured at fair value on a recurring basis | Level 2 | Undesignated derivative contracts | Energy Derivatives
   
ASSETS    
Unrealized gain on derivative contracts 13 11
Liabilities    
Unrealized loss on derivative contracts 6 1
Assets and liabilities measured at fair value on a recurring basis | Level 3
   
ASSETS    
Readily marketable inventories 283 264
Total assets 412 738
Liabilities    
Total liabilities 131 167
Assets and liabilities measured at fair value on a recurring basis | Level 3 | Undesignated derivative contracts | Foreign exchange
   
ASSETS    
Unrealized gain on derivative contracts 1 1
Assets and liabilities measured at fair value on a recurring basis | Level 3 | Undesignated derivative contracts | Commodities
   
ASSETS    
Unrealized gain on derivative contracts 125 454
Liabilities    
Unrealized loss on derivative contracts 116 162
Assets and liabilities measured at fair value on a recurring basis | Level 3 | Undesignated derivative contracts | Freight
   
ASSETS    
Unrealized gain on derivative contracts 1 3
Assets and liabilities measured at fair value on a recurring basis | Level 3 | Undesignated derivative contracts | Energy Derivatives
   
ASSETS    
Unrealized gain on derivative contracts 2 16
Liabilities    
Unrealized loss on derivative contracts 15 5
Assets and liabilities measured at fair value on a recurring basis | Fair Value
   
ASSETS    
Readily marketable inventories 4,019 4,831
Deferred Purchase Price Receivable 192  
Other 180 340
Total assets 5,674 7,793
Liabilities    
Total liabilities 1,370 2,127
Assets and liabilities measured at fair value on a recurring basis | Fair Value | Designated derivative contracts | Foreign exchange
   
ASSETS    
Unrealized gain on derivative contracts 13 22
Liabilities    
Unrealized loss on derivative contracts 45 22
Assets and liabilities measured at fair value on a recurring basis | Fair Value | Undesignated derivative contracts | Interest Rate
   
ASSETS    
Unrealized gain on derivative contracts   4
Liabilities    
Unrealized loss on derivative contracts 2 1
Assets and liabilities measured at fair value on a recurring basis | Fair Value | Undesignated derivative contracts | Foreign exchange
   
ASSETS    
Unrealized gain on derivative contracts 452 212
Liabilities    
Unrealized loss on derivative contracts 617 69
Assets and liabilities measured at fair value on a recurring basis | Fair Value | Undesignated derivative contracts | Commodities
   
ASSETS    
Unrealized gain on derivative contracts 786 2,322
Liabilities    
Unrealized loss on derivative contracts 680 2,021
Assets and liabilities measured at fair value on a recurring basis | Fair Value | Undesignated derivative contracts | Freight
   
ASSETS    
Unrealized gain on derivative contracts 6 26
Liabilities    
Unrealized loss on derivative contracts 1  
Assets and liabilities measured at fair value on a recurring basis | Fair Value | Undesignated derivative contracts | Energy Derivatives
   
ASSETS    
Unrealized gain on derivative contracts 26 36
Liabilities    
Unrealized loss on derivative contracts $ 25 14