v3.4.0.3
FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS - ASSETS AND LIABILITIES AT FAIR VALUE (DETAILS) - USD ($)
$ in Millions
Mar. 31, 2016
Dec. 31, 2015
Assets:    
Unrealized gain $ 1,473 $ 1,456
Deferred purchase price receivable 80 79
Liabilities:    
Unrealized loss 1,221 1,471
Other non-current assets.    
Unrealized gains (losses) on designated and undesignated derivative contracts    
Unrealized gains (losses) on derivative contracts 0 0
Other non-current liabilities    
Unrealized gains (losses) on designated and undesignated derivative contracts    
Unrealized gains (losses) on derivative contracts 0 0
Assets and liabilities measured at fair value on a recurring basis | Level 1    
Assets:    
Other 42 68
Total assets 357 401
Liabilities:    
Total liabilities 378 490
Assets and liabilities measured at fair value on a recurring basis | Level 1 | Designated derivative contracts | Foreign Exchange    
Assets:    
Unrealized gain 1  
Assets and liabilities measured at fair value on a recurring basis | Level 1 | Undesignated derivative contracts | Foreign Exchange    
Assets:    
Unrealized gain 10 9
Liabilities:    
Unrealized loss   1
Assets and liabilities measured at fair value on a recurring basis | Level 1 | Undesignated derivative contracts | Commodities    
Assets:    
Unrealized gain 231 252
Liabilities:    
Unrealized loss 306 402
Assets and liabilities measured at fair value on a recurring basis | Level 1 | Undesignated derivative contracts | Freight    
Assets:    
Unrealized gain 62 65
Liabilities:    
Unrealized loss 57 56
Assets and liabilities measured at fair value on a recurring basis | Level 1 | Undesignated derivative contracts | Energy    
Assets:    
Unrealized gain 11 7
Liabilities:    
Unrealized loss 15 31
Assets and liabilities measured at fair value on a recurring basis | Level 2    
Assets:    
Readily marketable inventories 3,227 3,421
Trade accounts receivable 10 6
Deferred purchase price receivable 80 79
Other 371 176
Total assets 4,757 4,584
Liabilities:    
Trade accounts payable 348 399
Total liabilities 1,118 1,326
Assets and liabilities measured at fair value on a recurring basis | Level 2 | Designated derivative contracts | Interest rate.    
Assets:    
Unrealized gain 11  
Liabilities:    
Unrealized loss   3
Assets and liabilities measured at fair value on a recurring basis | Level 2 | Designated derivative contracts | Foreign Exchange    
Assets:    
Unrealized gain 16 30
Liabilities:    
Unrealized loss 184 15
Assets and liabilities measured at fair value on a recurring basis | Level 2 | Undesignated derivative contracts | Interest rate.    
Liabilities:    
Unrealized loss 1  
Assets and liabilities measured at fair value on a recurring basis | Level 2 | Undesignated derivative contracts | Foreign Exchange    
Assets:    
Unrealized gain 441 176
Liabilities:    
Unrealized loss 201 605
Assets and liabilities measured at fair value on a recurring basis | Level 2 | Undesignated derivative contracts | Commodities    
Assets:    
Unrealized gain 601 696
Liabilities:    
Unrealized loss 381 304
Assets and liabilities measured at fair value on a recurring basis | Level 2 | Undesignated derivative contracts | Energy    
Liabilities:    
Unrealized loss 3  
Assets and liabilities measured at fair value on a recurring basis | Level 3    
Assets:    
Readily marketable inventories 730 245
Total assets 819 466
Liabilities:    
Trade accounts payable 291 44
Total liabilities 364 98
Assets and liabilities measured at fair value on a recurring basis | Level 3 | Undesignated derivative contracts | Commodities    
Assets:    
Unrealized gain 89 220
Liabilities:    
Unrealized loss 70 52
Assets and liabilities measured at fair value on a recurring basis | Level 3 | Undesignated derivative contracts | Freight    
Liabilities:    
Unrealized loss 1  
Assets and liabilities measured at fair value on a recurring basis | Level 3 | Undesignated derivative contracts | Energy    
Assets:    
Unrealized gain   1
Liabilities:    
Unrealized loss 2 2
Fair value | Assets and liabilities measured at fair value on a recurring basis    
Assets:    
Readily marketable inventories 3,957 3,666
Trade accounts receivable 10 6
Deferred purchase price receivable 80 79
Other 413 244
Total assets 5,933 5,451
Liabilities:    
Trade accounts payable 639 443
Total liabilities 1,860 1,914
Trade accounts receivable related to certain delivered inventory accounted for at prices that fluctuate based on changes in commodity prices and for which no payments had been received 10 6
Trade accounts payable related to certain delivered inventory accounted for at prices that fluctuate based on changes in commodity prices and for which no payments had been made 639 443
Fair value | Assets and liabilities measured at fair value on a recurring basis | Designated derivative contracts | Interest rate.    
Assets:    
Unrealized gain 11  
Liabilities:    
Unrealized loss   3
Fair value | Assets and liabilities measured at fair value on a recurring basis | Designated derivative contracts | Foreign Exchange    
Assets:    
Unrealized gain 17 30
Liabilities:    
Unrealized loss 184 15
Fair value | Assets and liabilities measured at fair value on a recurring basis | Undesignated derivative contracts | Interest rate.    
Liabilities:    
Unrealized loss 1  
Fair value | Assets and liabilities measured at fair value on a recurring basis | Undesignated derivative contracts | Foreign Exchange    
Assets:    
Unrealized gain 451 185
Liabilities:    
Unrealized loss 201 606
Fair value | Assets and liabilities measured at fair value on a recurring basis | Undesignated derivative contracts | Commodities    
Assets:    
Unrealized gain 921 1,168
Liabilities:    
Unrealized loss 757 758
Fair value | Assets and liabilities measured at fair value on a recurring basis | Undesignated derivative contracts | Freight    
Assets:    
Unrealized gain 62 65
Liabilities:    
Unrealized loss 58 56
Fair value | Assets and liabilities measured at fair value on a recurring basis | Undesignated derivative contracts | Energy    
Assets:    
Unrealized gain 11 8
Liabilities:    
Unrealized loss $ 20 $ 33