Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 29, 2019	Jun. 30, 2018	Jun. 29, 2019	Jun. 30, 2018
Net sales:
Net sales	$ 1,822	$ 1,691	$ 3,365	$ 3,270
Cost of sales and operating expenses:
Total cost of sales and operating expenses	1,686	1,575	3,179	2,982
Gross income	136	116	186	288
Selling, general and administrative expenses	83	84	167	159
Operating income	53	32	19	129
Other income (expense):
Interest expense	(12)	(11)	(18)	(19)
Interest income	8	3	15	6
Loss from affiliates	(16)	(16)	(34)	(22)
Other investment income (loss), net	37	12	150	(25)
Foreign currency gains (loss), net	(1)	(6)	2	(2)
Miscellaneous, net		(3)		(2)
Total other income (expense), net	16	(21)	115	(64)
Earnings before income taxes	69	11	134	65
Income tax expense	(11)	(4)	(19)	(26)
Net earnings	58	7	115	39
Less: Net loss (income) attributable to noncontrolling interests	0	0	0	0
Net earnings attributable to Seaboard	$ 58	$ 7	$ 115	$ 39
Earnings per common share	$ 50.13	$ 6.28	$ 98.92	$ 33.03
Other comprehensive loss, net of income tax benefit (expense) of $0, $1, $0 and $1:
Foreign currency translation adjustment	$ (9)	$ (17)	$ (11)	$ (27)
Unrecognized pension cost	3	(3)	6	(2)
Other comprehensive loss, net of tax	(6)	(20)	(5)	(29)
Comprehensive income (loss)	52	(13)	110	10
Less: Comprehensive loss (income) attributable to noncontrolling interests	0	0	0	0
Comprehensive income (loss) attributable to Seaboard	$ 52	$ (13)	$ 110	$ 10
Average number of shares outstanding (in shares)	1,165,740	1,170,550	1,166,575	1,170,550
Products
Net sales:
Net sales	$ 1,513	$ 1,382	$ 2,758	$ 2,673
Cost of sales and operating expenses:
Total cost of sales and operating expenses	1,422	1,309	2,652	2,454
Services
Net sales:
Net sales	275	278	544	542
Cost of sales and operating expenses:
Total cost of sales and operating expenses	238	242	478	482
Other
Net sales:
Net sales	34	31	63	55
Cost of sales and operating expenses:
Total cost of sales and operating expenses	$ 26	$ 24	$ 49	$ 46