Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Oct. 01, 2016	Sep. 30, 2017	Oct. 01, 2016
Net sales:
Products (includes sales to affiliates of $293, $261, $822 and $697)	$ 1,135	$ 1,070	$ 3,413	$ 3,230
Services (includes sales to affiliates of $0, $0, $3 and $1)	238	237	732	716
Other	29	23	78	60
Total net sales	1,402	1,330	4,223	4,006
Cost of sales and operating expenses:
Products	1,028	1,006	3,106	2,977
Services	206	198	641	619
Other	20	18	61	51
Total cost of sales and operating expenses	1,254	1,222	3,808	3,647
Gross income	148	108	415	359
Selling, general and administrative expenses	77	66	224	205
Operating income	71	42	191	154
Other income (expense):
Interest expense	(9)	(7)	(19)	(23)
Interest income	2	7	9	11
Interest income from affiliates	6	6	18	18
Income (loss) from affiliates	(3)	21	(10)	54
Other investment income, net	54	29	119	42
Foreign currency gains, net	3	1	12	10
Miscellaneous, net		1		(1)
Total other income, net	53	58	129	111
Earnings before income taxes	124	100	320	265
Income tax expense	(43)	(25)	(96)	(55)
Net earnings	81	75	224	210
Less: Net income attributable to noncontrolling interests				(1)
Net earnings attributable to Seaboard	$ 81	$ 75	$ 224	$ 209
Earnings per common share	$ 69.28	$ 64.42	$ 191.63	$ 178.67
Other comprehensive income (loss), net of income tax benefit (expense) of $1, $1, $0 and $9:
Foreign currency translation adjustment	$ (2)	$ (7)	$ (3)	$ (23)
Unrealized gain on investments		1	3	1
Unrecognized pension cost	1		3	2
Other comprehensive income (loss), net of tax	(1)	(6)	3	(20)
Comprehensive income	80	69	227	190
Less: Comprehensive income attributable to noncontrolling interests				(1)
Comprehensive income attributable to Seaboard	$ 80	$ 69	$ 227	$ 189
Average number of shares outstanding (in shares)	1,170,550	1,170,550	1,170,550	1,170,550
Dividends declared per common share (in dollars per share)	$ 1.50		$ 4.50