Consolidated Statements of Comprehensive Income Statement - USD ($) $ in Millions	12 Months Ended
	Oct. 03, 2020	Sep. 28, 2019	Sep. 29, 2018
Statement of Comprehensive Income [Abstract]
Net Income	$ 2,071	$ 1,993	$ 2,973
Other Comprehensive Income (Loss), Net of Taxes:
Derivatives accounted for as cash flow hedges	9	(15)	(7)
Investments	1	2	(1)
Currency translation	(29)	(23)	(29)
Postretirement benefits	(43)	(66)	(7)
Total Other Comprehensive Income (Loss), Net of Taxes	(62)	(102)	(44)
Comprehensive Income	2,009	1,891	2,929
Less: Comprehensive Income Attributable to Noncontrolling Interests	10	13	3
Comprehensive Income Attributable to Tyson	$ 1,999	$ 1,878	$ 2,926