Consolidated Condensed Statements of Shareholders' Equity - USD ($) shares in Millions, $ in Millions	Total	Capital in Excess of Par Value:	Retained Earnings:	Accumulated Other Comprehensive Income (Loss), Net of Tax:	Treasury Stock:	Parent [Member]	Equity Attributable to Noncontrolling Interests:	Class A [Member]	Class B [Member]
Balance at beginning of quarter, Shareholders' Equity Attributable to Tyson at Sep. 30, 2017		$ 4,378	$ 9,776	$ 16	$ (3,674)
Balance at beginning of quarter, Treasury Stock shares at Sep. 30, 2017					80.0
Balance at beginning of quarter, Shareholders' Equity Attributable to Noncontrolling Interest at Sep. 30, 2017							$ 18
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation		(32)			$ (112)
Net income attributable to Tyson	$ 1,631		1,631
Dividends			135					$ 111	$ 24
Other Comprehensive Income (Loss)	2			2
Purchase of Class A common stock, shares					2.0			2.1
Purchase of Class A common stock					$ 164
Stock-based compensation, shares					2.0
Net income attributable to noncontrolling interests	1						(1)
Business combination and other							0
Balance at end of quarter, Common Stock Shares at Dec. 30, 2017								378.0	70.0
Balance at end of quarter, Shareholders' Equity Attributable to Tyson at Dec. 30, 2017		4,346	11,272	18	$ (3,726)	$ 11,955		$ 38	$ 7
Balance at end of quarter, Treasury Stock shares at Dec. 30, 2017					80.0
Balance at end of quarter, Shareholders' Equity Attributable to Noncontrolling Interest at Dec. 30, 2017							19
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at end of quarter, Total Shareholders' Equity	11,974
Balance at end of quarter, Total Shareholders' Equity	12,811
Balance at beginning of quarter, Shareholders' Equity Attributable to Tyson at Sep. 29, 2018	$ 12,803	4,387	12,329	(15)	$ (3,943)
Balance at beginning of quarter, Treasury Stock shares at Sep. 29, 2018	82.0				82.0
Balance at beginning of quarter, Shareholders' Equity Attributable to Noncontrolling Interest at Sep. 29, 2018	$ 8						8
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation		(55)			$ (75)
Net income attributable to Tyson	551		551
Dividends			161					$ 133	$ 28
Other Comprehensive Income (Loss)	(3)			(3)
Purchase of Class A common stock, shares					1.0			1.4
Purchase of Class A common stock					$ 83
Stock-based compensation, shares					1.0
Net income attributable to noncontrolling interests	1						(1)
Business combination and other							123
Balance at end of quarter, Common Stock Shares at Dec. 29, 2018								378.0	70.0
Balance at end of quarter, Shareholders' Equity Attributable to Tyson at Dec. 29, 2018	$ 13,127	$ 4,332	$ 12,719	$ (18)	$ (3,951)	$ 13,127		$ 38	$ 7
Balance at end of quarter, Treasury Stock shares at Dec. 29, 2018	82.0				82.0
Balance at end of quarter, Shareholders' Equity Attributable to Noncontrolling Interest at Dec. 29, 2018	$ 132						$ 132
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at end of quarter, Total Shareholders' Equity	$ 13,259