Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 01, 2023	Jul. 02, 2022	Jul. 01, 2023	Jul. 02, 2022
Net sales:
Total net sales	$ 2,393	$ 2,973	$ 4,892	$ 5,682
Cost of sales and operating expenses:
Total cost of sales and operating expenses	2,297	2,692	4,762	5,165
Gross income	96	281	130	517
Selling, general and administrative expenses	100	89	197	179
Operating income (loss)	(4)	192	(67)	338
Other income (expense):
Interest expense	(20)	(12)	(32)	(10)
Interest income	14	7	27	12
Income from affiliates	25	23	51	46
Other investment income (loss), net	23	(162)	50	(227)
Foreign currency gains, net	7	12	3	12
Miscellaneous, net	3	2	3	10
Total other income (expense), net	52	(130)	102	(157)
Earnings before income taxes	48	62	35	181
Income tax benefit	4	46	1	31
Net earnings	52	108	36	212
Less: Net earnings attributable to noncontrolling interests	0	0	0	(1)
Net earnings attributable to Seaboard	$ 52	$ 108	$ 36	$ 211
Earnings per common share (in dollars per share)	$ 44.80	$ 92.53	$ 31.01	$ 181.81
Average number of shares outstanding (in shares)	1,160,779	1,160,779	1,160,779	1,160,779
Other comprehensive income (loss), net of income tax expense of $0, $0, $0 and $0:
Foreign currency translation adjustment	$ 1	$ (2)	$ 13	$ (3)
Unrecognized pension cost	2	1	4	1
Other comprehensive income (loss), net of tax	3	(1)	17	(2)
Comprehensive income	55	107	53	210
Less: Comprehensive income attributable to noncontrolling interests	0	0	0	(1)
Comprehensive income attributable to Seaboard	55	107	53	209
Products
Net sales:
Total net sales	1,957	2,388	3,941	4,602
Cost of sales and operating expenses:
Total cost of sales and operating expenses	1,982	2,302	4,076	4,423
Services
Net sales:
Total net sales	373	538	836	1,015
Cost of sales and operating expenses:
Total cost of sales and operating expenses	275	350	606	681
Other
Net sales:
Total net sales	63	47	115	65
Cost of sales and operating expenses:
Total cost of sales and operating expenses	$ 40	$ 40	$ 80	$ 61