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Inventories (Details) - USD ($) $ in Millions | Jun. 30, 2018 | Dec. 31, 2017
--- | --- | ---
At lower of LIFO cost or market: |  |
Live hogs and materials | $ 340 | $ 313
Fresh pork and materials | 36 | 28
Inventories at lower of LIFO cost or market, Gross | 376 | 341
LIFO adjustment | (37) | (31)
Total inventories at lower of LIFO cost or market | 339 | 310
At lower of FIFO cost and net realizable value: |  |
Grains, oilseeds and other commodities | 306 | 253
Sugar produced and in process | 36 | 38
Other | 58 | 90
Total inventories at lower of FIFO cost and net realizable value | 400 | 381
Grain, flour and feed at lower of weighted average cost and net realizable value | 135 | 89
Total inventories | $ 874 | $ 780

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