Goodwill and Other Intangible Assets (Schedule of at-risk brand intangible assets) (Details) - USD ($) $ in Millions	3 Months Ended
	Nov. 24, 2019	Feb. 23, 2020	May 26, 2019
Indefinite-lived Intangible Assets [Line Items]
Carrying Value of Intangible Asset		$ 7,108.4	$ 7,166.8
Europe & Australia [Member]
Indefinite-lived Intangible Assets [Line Items]
Carrying Value of Intangible Asset	$ 672.6
Excess Fair Value as of Test Date, Percentage	14.00%
Progresso [Member]
Indefinite-lived Intangible Assets [Line Items]
Carrying Value of Intangible Asset	$ 330.0
Excess Fair Value as of Test Date, Percentage	5.00%