Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2017

Commitments and Contingencies

Schedule of non-cancelable purchase commitments and commitments under other agreements

	Years ended December 31,
(Millions of dollars)	2018		2019		2020		2021		2022		Thereafter
Hog procurement contracts	$	81	$	78	$	78	$	81	$	63	$	80
Grain and feed ingredients		107		3		—		—		—		—
Grain purchase contracts for resale		367		—		—		—		—		—
Fuel supply contracts		44		—		—		—		—		—
Equipment purchases and facility improvements		37		—		—		—		—		—
Other purchase commitments		42		1		—		—		—		—
Total firm purchase commitments		678		82		78		81		63		80
Vessel, time and voyage-charters		39		29		26		26		13		33
Contract grower agreements		42		33		29		25		16		44
Other operating lease payments		29		29		26		25		26		151
Investment in affiliates		16		14		14		10		—		—
Total unrecognized non-cancelable commitments	$	804	$	187	$	173	$	167	$	118	$	308