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Reportable Segments - Disaggregates by Reportable Segment to Customers (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 29, 2024	Dec. 31, 2023	Jan. 01, 2023
Segment Reporting Information [Line Items]
Sales	$ 14,142	$ 14,640	$ 16,199
MEXICO
Segment Reporting Information [Line Items]
Sales	$ 431	$ 515	$ 444
Walmart Inc | Revenue Benchmark | Customer Concentration Risk
Segment Reporting Information [Line Items]
Concentration risk (as a percent)	13.00%	12.00%	12.00%
Packaged Meats
Segment Reporting Information [Line Items]
Sales	$ 8,319	$ 8,280	$ 9,261
Fresh Pork
Segment Reporting Information [Line Items]
Sales	4,883	5,138	5,555
Hog Production
Segment Reporting Information [Line Items]
Sales	469	671	862
Other
Segment Reporting Information [Line Items]
Sales	470	552	520
Operating Segments
Segment Reporting Information [Line Items]
Sales	14,142	14,640	16,199
Operating Segments | Retail
Segment Reporting Information [Line Items]
Sales	7,295	7,272	7,857
Operating Segments | Foodservice
Segment Reporting Information [Line Items]
Sales	2,679	2,667	3,071
Operating Segments | Exports
Segment Reporting Information [Line Items]
Sales	1,769	1,857	1,877
Operating Segments | Industrial
Segment Reporting Information [Line Items]
Sales	1,438	1,591	1,819
Operating Segments | Other / Unallocated
Segment Reporting Information [Line Items]
Sales	960	1,254	1,575
Operating Segments | Packaged Meats
Segment Reporting Information [Line Items]
Sales	8,319	8,280	9,262
Operating Segments | Packaged Meats | Retail
Segment Reporting Information [Line Items]
Sales	5,349	5,265	5,624
Operating Segments | Packaged Meats | Foodservice
Segment Reporting Information [Line Items]
Sales	2,447	2,420	2,749
Operating Segments | Packaged Meats | Exports
Segment Reporting Information [Line Items]
Sales	104	126	194
Operating Segments | Packaged Meats | Industrial
Segment Reporting Information [Line Items]
Sales	403	449	516
Operating Segments | Packaged Meats | Other / Unallocated
Segment Reporting Information [Line Items]
Sales	16	20	178
Operating Segments | Fresh Pork
Segment Reporting Information [Line Items]
Sales	7,873	7,832	9,190
Operating Segments | Fresh Pork | Retail
Segment Reporting Information [Line Items]
Sales	1,946	2,007	2,233
Operating Segments | Fresh Pork | Foodservice
Segment Reporting Information [Line Items]
Sales	232	246	322
Operating Segments | Fresh Pork | Exports
Segment Reporting Information [Line Items]
Sales	1,666	1,731	1,683
Operating Segments | Fresh Pork | Industrial
Segment Reporting Information [Line Items]
Sales	1,035	1,142	1,303
Operating Segments | Fresh Pork | Other / Unallocated
Segment Reporting Information [Line Items]
Sales	5	12	14
Operating Segments | Hog Production
Segment Reporting Information [Line Items]
Sales	3,002	3,317	4,456
Operating Segments | Hog Production | Retail
Segment Reporting Information [Line Items]
Sales	0	0	0
Operating Segments | Hog Production | Foodservice
Segment Reporting Information [Line Items]
Sales	0	0	0
Operating Segments | Hog Production | Exports
Segment Reporting Information [Line Items]
Sales	0	0	0
Operating Segments | Hog Production | Industrial
Segment Reporting Information [Line Items]
Sales	0	0	0
Operating Segments | Hog Production | Other / Unallocated
Segment Reporting Information [Line Items]
Sales	469	671	862
Operating Segments | Other
Segment Reporting Information [Line Items]
Sales	471	559	524
Operating Segments | Other | Other / Unallocated
Segment Reporting Information [Line Items]
Sales	470	552	520
Intersegment
Segment Reporting Information [Line Items]
Sales	(5,524)	(5,348)	(7,234)
Intersegment | Packaged Meats
Segment Reporting Information [Line Items]
Sales	0	0	0
Intersegment | Fresh Pork
Segment Reporting Information [Line Items]
Sales	2,990	2,694	3,635
Intersegment | Hog Production
Segment Reporting Information [Line Items]
Sales	2,533	2,646	3,594
Intersegment | Other
Segment Reporting Information [Line Items]
Sales	$ 1	$ 7	$ 4

X

- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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