Inventories (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
At lower of FIFO cost and NRV:
Hogs and materials	$ 489	$ 437
Pork products and materials	64	46
Grains, oilseeds and other commodities	634	380
Biofuels and related credits	147	72
Sugar produced and in process	21	24
Other	71	61
Total inventories at lower of FIFO cost and NRV	1,426	1,020
Grain, flour and feed at lower of weighted average cost and NRV	237	158
Total inventories	$ 1,663	$ 1,178