Goodwill and Other Intangible Assets (Changes In Carrying Amount Of Goodwill) (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Aug. 25, 2024	May 26, 2024
Goodwill [Line Items]
Beginning balance	$ 14,750.7
Impairment charge		$ (117.1)
Other activity, primarily foreign currency translation	37.0
Ending balance	14,787.7	14,750.7
North America Retail Segment [Member]
Goodwill [Line Items]
Beginning balance	6,541.9
Other activity, primarily foreign currency translation	1.4
Ending balance	6,543.3	6,541.9
North America Pet [Member]
Goodwill [Line Items]
Beginning balance	6,062.8
Other activity, primarily foreign currency translation	0.0
Ending balance	6,062.8	6,062.8
North America Foodservice [Member]
Goodwill [Line Items]
Beginning balance	805.5
Other activity, primarily foreign currency translation	0.0
Ending balance	805.5	805.5
International [Member]
Goodwill [Line Items]
Beginning balance	917.1
Other activity, primarily foreign currency translation	23.0
Ending balance	940.1	917.1
Accumulated impairment losses	117.1	117.1
Corporate and Joint Ventures [Member]
Goodwill [Line Items]
Beginning balance	423.4
Other activity, primarily foreign currency translation	12.6
Ending balance	$ 436.0	$ 423.4