Goodwill and Other Intangible Assets (Changes in Carrying Amount of Goodwill) (Details) - USD ($) $ in Millions	12 Months Ended
May 25, 2025	May 26, 2024	May 28, 2023
Goodwill [Line Items]
Beginning balance	$ 14,750.7	$ 14,511.2	$ 14,378.5
Acquisitions	1,086.7	345.0	156.8
Divestitures	(14.6)		(2.4)
Impairment charge		(117.1)
Reclassified to assets held for sale	(252.6)
Other activity, primarily foreign currency translation	52.2	11.6	(21.7)
Ending balance	15,622.4	14,750.7	14,511.2
North America Retail [Member]
Goodwill [Line Items]
Beginning balance	6,541.9	6,542.4	6,552.9
Acquisitions	0.0	0.0	0.0
Divestitures	(14.6)		(2.0)
Impairment charge		0.0
Reclassified to assets held for sale	(202.6)
Other activity, primarily foreign currency translation	(1.2)	(0.5)	(8.5)
Ending balance	6,323.5	6,541.9	6,542.4
North America Pet [Member]
Goodwill [Line Items]
Beginning balance	6,062.8	6,062.8	6,062.8
Acquisitions	1,086.7	0.0	0.0
Divestitures	0.0		0.0
Impairment charge		0.0
Reclassified to assets held for sale	0.0
Other activity, primarily foreign currency translation	0.0	0.0	0.0
Ending balance	7,149.5	6,062.8	6,062.8
North America Foodservice [Member]
Goodwill [Line Items]
Beginning balance	805.5	805.6	648.8
Acquisitions	0.0	0.0	156.8
Divestitures	0.0		0.0
Impairment charge		0.0
Reclassified to assets held for sale	(50.0)
Other activity, primarily foreign currency translation	0.0	(0.1)	0.0
Ending balance	755.5	805.5	805.6
International [Member]
Goodwill [Line Items]
Beginning balance	917.1	708.4	721.6
Acquisitions	0.0	318.1	0.0
Divestitures	0.0		(0.4)
Impairment charge		(117.1)
Reclassified to assets held for sale	0.0
Other activity, primarily foreign currency translation	34.6	7.7	(12.8)
Ending balance	951.7	917.1	708.4
Accumulated impairment losses	117.1
Corporate and Joint Ventures [Member]
Goodwill [Line Items]
Beginning balance	423.4	392.0	392.4
Acquisitions	0.0	26.9	0.0
Divestitures	0.0		0.0
Impairment charge		0.0
Reclassified to assets held for sale	0.0
Other activity, primarily foreign currency translation	18.8	4.5	(0.4)
Ending balance	$ 442.2	$ 423.4	$ 392.0

The amount of goodwill reclassified as held for sale.

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Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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