Acquisition and Divestitures (Acquisition Narrative) (Details) - USD ($) $ in Millions	3 Months Ended			12 Months Ended
	May 30, 2021	May 26, 2019	Feb. 24, 2019	May 30, 2021	May 31, 2020	May 26, 2019
Business Acquisition [Line Items]
Divestitures loss				$ 53.5	$ 0.0	$ 30.0
Tax Benefit		$ 72.9		(629.1)	$ (480.5)	$ (367.8)
Tyson Foods' pet treats business [Member] | Scenario Plan [Member]
Business Acquisition [Line Items]
Business Acquisition, Consideration Transferred				$ 1,200.0
Laticinios Carolina [Member]
Business Acquisition [Line Items]
Divestitures loss	$ 53.5
La Saltena [Member]
Business Acquisition [Line Items]
Divestitures loss			$ 35.4
Yogurt Business [Member]
Business Acquisition [Line Items]
Divestitures loss		$ (5.4)