Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 29, 2024	Jul. 01, 2023	Jun. 29, 2024	Jul. 01, 2023
Net sales:
Total net sales	$ 2,209	$ 2,393	$ 4,400	$ 4,892
Cost of sales and operating expenses:
Total cost of sales and operating expenses	2,080	2,297	4,184	4,762
Gross income	129	96	216	130
Selling, general and administrative expenses	99	100	206	197
Operating income (loss)	30	(4)	10	(67)
Other income (expense):
Interest expense	(17)	(20)	(29)	(32)
Interest income (includes $0, $1, $1 and $3 from affiliates)	17	14	36	27
Income from affiliates	23	25	42	51
Other investment income, net	5	23	23	50
Foreign currency gains (losses), net	(11)	7	(12)	3
Miscellaneous, net	(1)	3	(1)	3
Total other income, net	16	52	59	102
Earnings before income taxes	46	48	69	35
Income tax benefit	15	4	14	1
Net earnings	61	52	83	36
Less: Net earnings attributable to noncontrolling interests	0	0	0	0
Net earnings attributable to Seaboard	$ 61	$ 52	$ 83	$ 36
Earnings per common share - basic (in dollars per share)	$ 62.82	$ 44.80	$ 85.47	$ 31.01
Earnings per common share - diluted (in dollars per share)	$ 62.82	$ 44.80	$ 85.47	$ 31.01
Average number of shares outstanding - basic (in shares)	971,055	1,160,779	971,055	1,160,779
Average number of shares outstanding - diluted (in shares)	971,055	1,160,779	971,055	1,160,779
Other comprehensive income (loss), net of income tax expense:
Foreign currency translation adjustment		$ 1	$ (2)	$ 13
Unrecognized pension cost		2	2	4
Other comprehensive income, net of tax	$ 0	3		17
Comprehensive income	61	55	83	53
Less: Comprehensive income attributable to noncontrolling interests	0	0	0	0
Comprehensive income attributable to Seaboard	61	55	83	53
Products
Net sales:
Total net sales	1,802	1,957	3,594	3,941
Cost of sales and operating expenses:
Total cost of sales and operating expenses	1,751	1,982	3,520	4,076
Services
Net sales:
Total net sales	348	373	698	836
Cost of sales and operating expenses:
Total cost of sales and operating expenses	289	275	586	606
Other
Net sales:
Total net sales	59	63	108	115
Cost of sales and operating expenses:
Total cost of sales and operating expenses	$ 40	$ 40	$ 78	$ 80