v3.10.0.1
FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS - ASSETS AND LIABILITIES AT FAIR VALUE (Details) - USD ($)
$ in Millions
Sep. 30, 2018
Dec. 31, 2017
Assets:    
Unrealized gain $ 1,530 $ 910
Deferred purchase price receivable 114 107
Liabilities:    
Trade accounts payable 455 583
Unrealized loss 1,491 897
Other Noncurrent Liabilities    
Liabilities:    
Unrealized gains (losses) on derivative contracts (88) (31)
Assets and liabilities measured at fair value on a recurring basis    
Assets:    
Readily marketable inventories 5,706 4,056
Trade accounts receivable 5 5
Total assets 7,481 5,327
Liabilities:    
Trade accounts payable 455 583
Total liabilities 2,034 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 69 31
Assets and liabilities measured at fair value on a recurring basis | Hedge accounting | Foreign exchange    
Assets:    
Unrealized gain 53 18
Liabilities:    
Unrealized loss 51 2
Assets and liabilities measured at fair value on a recurring basis | Economic hedges    
Assets:    
Deferred purchase price receivable 114 107
Other 126 249
Assets and liabilities measured at fair value on a recurring basis | Economic hedges | Interest rate    
Assets:    
Unrealized gain 3 4
Liabilities:    
Unrealized loss 2 1
Assets and liabilities measured at fair value on a recurring basis | Economic hedges | Foreign exchange    
Assets:    
Unrealized gain 669 321
Liabilities:    
Unrealized loss 675 431
Assets and liabilities measured at fair value on a recurring basis | Economic hedges | Commodities    
Assets:    
Unrealized gain 756 523
Liabilities:    
Unrealized loss 739 432
Assets and liabilities measured at fair value on a recurring basis | Economic hedges | Freight    
Assets:    
Unrealized gain 21 26
Liabilities:    
Unrealized loss 31 18
Assets and liabilities measured at fair value on a recurring basis | Economic hedges | Energy    
Assets:    
Unrealized gain 28 18
Liabilities:    
Unrealized loss 12 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 211 166
Liabilities:    
Trade accounts payable 0 0
Total liabilities 232 166
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 62 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 1 0
Liabilities:    
Unrealized loss 0 1
Assets and liabilities measured at fair value on a recurring basis | Level 1 | Economic hedges | Commodities    
Assets:    
Unrealized gain 112 115
Liabilities:    
Unrealized loss 201 141
Assets and liabilities measured at fair value on a recurring basis | Level 1 | Economic hedges | Freight    
Assets:    
Unrealized gain 9 18
Liabilities:    
Unrealized loss 20 15
Assets and liabilities measured at fair value on a recurring basis | Level 1 | Economic hedges | Energy    
Assets:    
Unrealized gain 27 18
Liabilities:    
Unrealized loss 11 9
Assets and liabilities measured at fair value on a recurring basis | Level 2    
Assets:    
Readily marketable inventories 4,760 3,691
Trade accounts receivable 5 5
Total assets 6,280 4,769
Liabilities:    
Trade accounts payable 361 467
Total liabilities 1,659 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 69 31
Assets and liabilities measured at fair value on a recurring basis | Level 2 | Hedge accounting | Foreign exchange    
Assets:    
Unrealized gain 53 18
Liabilities:    
Unrealized loss 51 2
Assets and liabilities measured at fair value on a recurring basis | Level 2 | Economic hedges    
Assets:    
Deferred purchase price receivable 114 107
Other 64 234
Assets and liabilities measured at fair value on a recurring basis | Level 2 | Economic hedges | Interest rate    
Assets:    
Unrealized gain 3 4
Liabilities:    
Unrealized loss 2 1
Assets and liabilities measured at fair value on a recurring basis | Level 2 | Economic hedges | Foreign exchange    
Assets:    
Unrealized gain 668 321
Liabilities:    
Unrealized loss 675 430
Assets and liabilities measured at fair value on a recurring basis | Level 2 | Economic hedges | Commodities    
Assets:    
Unrealized gain 612 389
Liabilities:    
Unrealized loss 501 271
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 0 2
Assets and liabilities measured at fair value on a recurring basis | Level 3    
Assets:    
Readily marketable inventories 946 365
Trade accounts receivable 0 0
Total assets 990 392
Liabilities:    
Trade accounts payable 94 116
Total liabilities 143 141
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 32 19
Liabilities:    
Unrealized loss 37 20
Assets and liabilities measured at fair value on a recurring basis | Level 3 | Economic hedges | Freight    
Assets:    
Unrealized gain 12 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 $ 1 $ 2