v3.10.0.1
FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS - ASSETS AND LIABILITIES AT FAIR VALUE (Details) - USD ($)
$ in Millions
Jun. 30, 2018
Dec. 31, 2017
Assets:    
Unrealized gain $ 1,602 $ 910
Deferred purchase price receivable 118 107
Liabilities:    
Trade accounts payable 574 583
Unrealized loss 1,695 897
Other Noncurrent Liabilities    
Liabilities:    
Unrealized gains (losses) on derivative contracts (68) (31)
Assets and liabilities measured at fair value on a recurring basis    
Assets:    
Readily marketable inventories 5,531 4,056
Trade accounts receivable 8 5
Total assets 7,594 5,327
Liabilities:    
Trade accounts payable 574 583
Total liabilities 2,337 1,511
Assets and liabilities measured at fair value on a recurring basis | Hedge accounting | Interest rate    
Assets:    
Unrealized gain 0 0
Liabilities:    
Unrealized loss 56 31
Assets and liabilities measured at fair value on a recurring basis | Hedge accounting | Foreign exchange    
Assets:    
Unrealized gain 169 18
Liabilities:    
Unrealized loss 43 2
Assets and liabilities measured at fair value on a recurring basis | Economic hedges    
Assets:    
Deferred purchase price receivable 118 107
Other 335 249
Assets and liabilities measured at fair value on a recurring basis | Economic hedges | Interest rate    
Assets:    
Unrealized gain 4 4
Liabilities:    
Unrealized loss 1 1
Assets and liabilities measured at fair value on a recurring basis | Economic hedges | Foreign exchange    
Assets:    
Unrealized gain 531 321
Liabilities:    
Unrealized loss 763 431
Assets and liabilities measured at fair value on a recurring basis | Economic hedges | Commodities    
Assets:    
Unrealized gain 837 523
Liabilities:    
Unrealized loss 849 432
Assets and liabilities measured at fair value on a recurring basis | Economic hedges | Freight    
Assets:    
Unrealized gain 31 26
Liabilities:    
Unrealized loss 44 18
Assets and liabilities measured at fair value on a recurring basis | Economic hedges | Energy    
Assets:    
Unrealized gain 30 18
Liabilities:    
Unrealized loss 7 13
Assets and liabilities measured at fair value on a recurring basis | Level 1    
Assets:    
Readily marketable inventories 0 0
Trade accounts receivable 0 0
Total assets 196 166
Liabilities:    
Trade accounts payable 0 0
Total liabilities 228 166
Assets and liabilities measured at fair value on a recurring basis | Level 1 | Hedge accounting | Interest rate    
Assets:    
Unrealized gain 0 0
Liabilities:    
Unrealized loss 0 0
Assets and liabilities measured at fair value on a recurring basis | Level 1 | Hedge accounting | Foreign exchange    
Assets:    
Unrealized gain 0 0
Liabilities:    
Unrealized loss 0 0
Assets and liabilities measured at fair value on a recurring basis | Level 1 | Economic hedges    
Assets:    
Deferred purchase price receivable 0 0
Other 22 15
Assets and liabilities measured at fair value on a recurring basis | Level 1 | Economic hedges | Interest rate    
Assets:    
Unrealized gain 0 0
Liabilities:    
Unrealized loss 0 0
Assets and liabilities measured at fair value on a recurring basis | Level 1 | Economic hedges | Foreign exchange    
Assets:    
Unrealized gain 2 0
Liabilities:    
Unrealized loss 2 1
Assets and liabilities measured at fair value on a recurring basis | Level 1 | Economic hedges | Commodities    
Assets:    
Unrealized gain 128 115
Liabilities:    
Unrealized loss 189 141
Assets and liabilities measured at fair value on a recurring basis | Level 1 | Economic hedges | Freight    
Assets:    
Unrealized gain 15 18
Liabilities:    
Unrealized loss 33 15
Assets and liabilities measured at fair value on a recurring basis | Level 1 | Economic hedges | Energy    
Assets:    
Unrealized gain 29 18
Liabilities:    
Unrealized loss 4 9
Assets and liabilities measured at fair value on a recurring basis | Level 2    
Assets:    
Readily marketable inventories 4,306 3,691
Trade accounts receivable 8 5
Total assets 6,118 4,769
Liabilities:    
Trade accounts payable 309 467
Total liabilities 1,805 1,204
Assets and liabilities measured at fair value on a recurring basis | Level 2 | Hedge accounting | Interest rate    
Assets:    
Unrealized gain 0 0
Liabilities:    
Unrealized loss 56 31
Assets and liabilities measured at fair value on a recurring basis | Level 2 | Hedge accounting | Foreign exchange    
Assets:    
Unrealized gain 169 18
Liabilities:    
Unrealized loss 43 2
Assets and liabilities measured at fair value on a recurring basis | Level 2 | Economic hedges    
Assets:    
Deferred purchase price receivable 118 107
Other 313 234
Assets and liabilities measured at fair value on a recurring basis | Level 2 | Economic hedges | Interest rate    
Assets:    
Unrealized gain 4 4
Liabilities:    
Unrealized loss 1 1
Assets and liabilities measured at fair value on a recurring basis | Level 2 | Economic hedges | Foreign exchange    
Assets:    
Unrealized gain 529 321
Liabilities:    
Unrealized loss 761 430
Assets and liabilities measured at fair value on a recurring basis | Level 2 | Economic hedges | Commodities    
Assets:    
Unrealized gain 670 389
Liabilities:    
Unrealized loss 634 271
Assets and liabilities measured at fair value on a recurring basis | Level 2 | Economic hedges | Freight    
Assets:    
Unrealized gain 0 0
Liabilities:    
Unrealized loss 0 0
Assets and liabilities measured at fair value on a recurring basis | Level 2 | Economic hedges | Energy    
Assets:    
Unrealized gain 1 0
Liabilities:    
Unrealized loss 1 2
Assets and liabilities measured at fair value on a recurring basis | Level 3    
Assets:    
Readily marketable inventories 1,225 365
Trade accounts receivable 0 0
Total assets 1,280 392
Liabilities:    
Trade accounts payable 265 116
Total liabilities 304 141
Assets and liabilities measured at fair value on a recurring basis | Level 3 | Hedge accounting | Interest rate    
Assets:    
Unrealized gain 0 0
Liabilities:    
Unrealized loss 0 0
Assets and liabilities measured at fair value on a recurring basis | Level 3 | Hedge accounting | Foreign exchange    
Assets:    
Unrealized gain 0 0
Liabilities:    
Unrealized loss 0 0
Assets and liabilities measured at fair value on a recurring basis | Level 3 | Economic hedges    
Assets:    
Deferred purchase price receivable 0 0
Other 0 0
Assets and liabilities measured at fair value on a recurring basis | Level 3 | Economic hedges | Interest rate    
Assets:    
Unrealized gain 0 0
Liabilities:    
Unrealized loss 0 0
Assets and liabilities measured at fair value on a recurring basis | Level 3 | Economic hedges | Foreign exchange    
Assets:    
Unrealized gain 0 0
Liabilities:    
Unrealized loss 0 0
Assets and liabilities measured at fair value on a recurring basis | Level 3 | Economic hedges | Commodities    
Assets:    
Unrealized gain 39 19
Liabilities:    
Unrealized loss 26 20
Assets and liabilities measured at fair value on a recurring basis | Level 3 | Economic hedges | Freight    
Assets:    
Unrealized gain 16 8
Liabilities:    
Unrealized loss 11 3
Assets and liabilities measured at fair value on a recurring basis | Level 3 | Economic hedges | Energy    
Assets:    
Unrealized gain 0 0
Liabilities:    
Unrealized loss $ 2 $ 2