Goodwill and Other Intangible Assets (Changes In Carrying Amount Of Goodwill) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Nov. 26, 2023	Nov. 27, 2022	Nov. 26, 2023	Nov. 27, 2022
Goodwill [Line Items]
Beginning balance			$ 14,511.2
Acquisitions			26.9
Impairment charge	$ (117.1)	$ 0.0	(117.1)	$ 0.0
Other activity, primarily foreign currency translation			20.8
Ending balance	14,441.8		14,441.8
North America Retail Segment [Member]
Goodwill [Line Items]
Beginning balance			6,542.4
Acquisitions			0.0
Impairment charge			0.0
Other activity, primarily foreign currency translation			(0.2)
Ending balance	6,542.2		6,542.2
Pet [Member]
Goodwill [Line Items]
Beginning balance			6,062.8
Acquisitions			0.0
Impairment charge			0.0
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			805.6
Acquisitions			0.0
Impairment charge			0.0
Other activity, primarily foreign currency translation			(0.1)
Ending balance	805.5		805.5
International [Member]
Goodwill [Line Items]
Beginning balance			708.4
Acquisitions			0.0
Impairment charge	(117.1)		(117.1)
Other activity, primarily foreign currency translation			13.3
Ending balance	604.6		604.6
Corporate and Joint Ventures [Member]
Goodwill [Line Items]
Beginning balance			392.0
Acquisitions			26.9
Impairment charge			0.0
Other activity, primarily foreign currency translation			7.8
Ending balance	$ 426.7		$ 426.7