Segment Reporting Disaggregation of Revenue (By Segment and Distribution Channel) (Details) - USD ($) $ in Millions	3 Months Ended				6 Months Ended
	Apr. 03, 2021		Mar. 28, 2020		Apr. 03, 2021	Mar. 28, 2020
Disaggregation of Revenue [Line Items]
Sales	$ 11,300		$ 10,888		$ 21,760	$ 21,703
Broiler Antitrust Civil Litigation [Member]
Disaggregation of Revenue [Line Items]
Loss Contingency, Loss in Period					320
Beef [Member]
Disaggregation of Revenue [Line Items]
Sales	4,046		3,979		8,033	7,817
Pork [Member]
Disaggregation of Revenue [Line Items]
Sales	1,477		1,266		2,916	2,645
Chicken [Member]
Disaggregation of Revenue [Line Items]
Sales	3,553		3,397		6,384	6,689
Prepared Foods [Member]
Disaggregation of Revenue [Line Items]
Sales	2,164		2,080		4,277	4,220
Corporate and Other [Member]
Disaggregation of Revenue [Line Items]
Sales	487		465		956	963
Retail
Disaggregation of Revenue [Line Items]
Sales	5,328	[1]	5,065	[1]	10,633	9,922
Retail | Beef [Member]
Disaggregation of Revenue [Line Items]
Sales	2,036		1,907		4,170	3,764
Retail | Pork [Member]
Disaggregation of Revenue [Line Items]
Sales	410		383		842	783
Retail | Chicken [Member]
Disaggregation of Revenue [Line Items]
Sales	1,576		1,550		3,012	2,939
Retail | Prepared Foods [Member]
Disaggregation of Revenue [Line Items]
Sales	1,306		1,225		2,609	2,436
Retail | Corporate and Other [Member]
Disaggregation of Revenue [Line Items]
Sales	0		0		0	0
Foodservice
Disaggregation of Revenue [Line Items]
Sales	3,189	[2]	3,120	[2]	6,027	6,435
Foodservice | Beef [Member]
Disaggregation of Revenue [Line Items]
Sales	945		1,004		1,766	2,049
Foodservice | Pork [Member]
Disaggregation of Revenue [Line Items]
Sales	101		99		193	216
Foodservice | Chicken [Member]
Disaggregation of Revenue [Line Items]
Sales	1,356		1,239		2,541	2,546
Foodservice | Prepared Foods [Member]
Disaggregation of Revenue [Line Items]
Sales	787		778		1,527	1,624
Foodservice | Corporate and Other [Member]
Disaggregation of Revenue [Line Items]
Sales	0		0		0	0
International
Disaggregation of Revenue [Line Items]
Sales	1,572	[3]	1,545	[3]	3,135	3,035
International | Beef [Member]
Disaggregation of Revenue [Line Items]
Sales	593		605		1,211	1,119
International | Pork [Member]
Disaggregation of Revenue [Line Items]
Sales	296		274		589	554
International | Chicken [Member]
Disaggregation of Revenue [Line Items]
Sales	166		167		318	328
International | Prepared Foods [Member]
Disaggregation of Revenue [Line Items]
Sales	30		34		61	71
International | Corporate and Other [Member]
Disaggregation of Revenue [Line Items]
Sales	487		465		956	963
Industrial and Other
Disaggregation of Revenue [Line Items]
Sales	1,211	[4]	1,158	[4]	1,965	2,311
Industrial and Other | Beef [Member]
Disaggregation of Revenue [Line Items]
Sales	368		362		691	688
Industrial and Other | Pork [Member]
Disaggregation of Revenue [Line Items]
Sales	361		325		703	685
Industrial and Other | Chicken [Member]
Disaggregation of Revenue [Line Items]
Sales	441		428		491	849
Industrial and Other | Prepared Foods [Member]
Disaggregation of Revenue [Line Items]
Sales	41		43		80	89
Industrial and Other | Corporate and Other [Member]
Disaggregation of Revenue [Line Items]
Sales	0		0		0	0
Intersegment Eliminations
Disaggregation of Revenue [Line Items]
Sales	0		0		0	0
Intersegment Eliminations | Beef [Member]
Disaggregation of Revenue [Line Items]
Sales	104		101		195	197
Intersegment Eliminations | Pork [Member]
Disaggregation of Revenue [Line Items]
Sales	309		185		589	407
Intersegment Eliminations | Chicken [Member]
Disaggregation of Revenue [Line Items]
Sales	14		13		22	27
Intersegment Eliminations | Prepared Foods [Member]
Disaggregation of Revenue [Line Items]
Sales	0		0		0	0
Intersegment Eliminations | Corporate and Other [Member]
Disaggregation of Revenue [Line Items]
Sales	0		0		0	0
Intersegment Eliminations
Disaggregation of Revenue [Line Items]
Sales	$ (427)		$ (299)		$ (806)	$ (631)

[1] (a) Includes sales to consumer products and food retailers, such as grocery retailers, warehouse club stores and internet-based retailers

[2] (b) Includes sales to foodservice distributors, restaurant operators, hotel chains and noncommercial foodservice establishments such as schools, convenience stores, healthcare facilities and the military.

[3] (c) Includes sales to international markets for internationally produced products or export sales of domestically produced products.

[4] (d) Includes sales to industrial food processing companies that further process our product to sell to end consumers and any remaining sales not included in the Retail, Foodservice or International categories. For the six months ended April 3, 2021, the Chicken segment included a $320 million reduction in Other due to the recognition of a legal contingency accrual.