Financial Instruments, Risk Management Activities, and Fair Values (Schedule of Fair Value Measurement Inputs) (Details) - USD ($) $ in Millions	May 25, 2025	May 26, 2024
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Derivative Asset, Fair Value	$ 14.2	$ 13.3
Other Assets, Fair Value Disclosure	9.2	31.9
Total Assets, Fair Value Disclosure	22.2	48.7
Derivative Liability, Fair Value	(41.7)	(72.0)
Other Liabilities, Fair Value Disclosure	0.0	0.0
Total Liabilities, Fair Value Disclosure	(37.8)	(68.7)
Carrying value	3,632.6	3,863.9
Long-term debt, carrying value	14,201.6	12,918.3
Current portion of long-term debt	1,528.4	1,614.1
Long-term debt	12,673.2	11,304.2
Marketable Investments [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Other Assets, Fair Value Disclosure	7.2	6.9
Other Liabilities, Fair Value Disclosure	0.0	0.0
Long-Lived Assets [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Other Assets, Fair Value Disclosure	2.0
Other Liabilities, Fair Value Disclosure	0.0
Indefinite-lived Intangible Asset [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Other Assets, Fair Value Disclosure		25.0
Other Liabilities, Fair Value Disclosure		0.0
Designated as Hedging Instrument [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Derivative Asset, Fair Value	9.1	5.7
Derivative Liability, Fair Value	(24.9)	(44.9)
Not Designated as Hedging [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Derivative Asset, Fair Value	3.9	11.1
Derivative Liability, Fair Value	(12.9)	(23.8)
Level 1 [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Other Assets, Fair Value Disclosure	4.9	4.6
Total Assets, Fair Value Disclosure	5.5	6.7
Other Liabilities, Fair Value Disclosure	0.0	0.0
Total Liabilities, Fair Value Disclosure	(0.2)	0.0
Level 1 [Member] \| Marketable Investments [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Other Assets, Fair Value Disclosure	4.9	4.6
Other Liabilities, Fair Value Disclosure	0.0	0.0
Level 1 [Member] \| Long-Lived Assets [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Other Assets, Fair Value Disclosure	0.0
Other Liabilities, Fair Value Disclosure	0.0
Level 1 [Member] \| Indefinite-lived Intangible Asset [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Other Assets, Fair Value Disclosure		0.0
Other Liabilities, Fair Value Disclosure		0.0
Level 1 [Member] \| Designated as Hedging Instrument [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Derivative Asset, Fair Value	0.0	0.0
Derivative Liability, Fair Value	0.0	0.0
Level 1 [Member] \| Not Designated as Hedging [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Derivative Asset, Fair Value	0.6	2.1
Derivative Liability, Fair Value	(0.2)	0.0
Level 2 [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Other Assets, Fair Value Disclosure	4.3	2.3
Total Assets, Fair Value Disclosure	16.7	17.0
Other Liabilities, Fair Value Disclosure	0.0	0.0
Total Liabilities, Fair Value Disclosure	(37.6)	(68.7)
Level 2 [Member] \| Marketable Investments [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Other Assets, Fair Value Disclosure	2.3	2.3
Other Liabilities, Fair Value Disclosure	0.0	0.0
Level 2 [Member] \| Long-Lived Assets [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Other Assets, Fair Value Disclosure	2.0
Other Liabilities, Fair Value Disclosure	0.0
Level 2 [Member] \| Indefinite-lived Intangible Asset [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Other Assets, Fair Value Disclosure		0.0
Other Liabilities, Fair Value Disclosure		0.0
Level 2 [Member] \| Designated as Hedging Instrument [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Derivative Asset, Fair Value	9.1	5.7
Derivative Liability, Fair Value	(24.9)	(44.9)
Level 2 [Member] \| Not Designated as Hedging [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Derivative Asset, Fair Value	3.3	9.0
Derivative Liability, Fair Value	(12.7)	(23.8)
Level 3 [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Other Assets, Fair Value Disclosure	0.0	25.0
Total Assets, Fair Value Disclosure	0.0	25.0
Other Liabilities, Fair Value Disclosure	0.0	0.0
Total Liabilities, Fair Value Disclosure	0.0	0.0
Level 3 [Member] \| Marketable Investments [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Other Assets, Fair Value Disclosure	0.0	0.0
Other Liabilities, Fair Value Disclosure	0.0	0.0
Level 3 [Member] \| Long-Lived Assets [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Other Assets, Fair Value Disclosure	0.0
Other Liabilities, Fair Value Disclosure	0.0
Level 3 [Member] \| Indefinite-lived Intangible Asset [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Other Assets, Fair Value Disclosure		25.0
Other Liabilities, Fair Value Disclosure		0.0
Level 3 [Member] \| Designated as Hedging Instrument [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Derivative Asset, Fair Value	0.0	0.0
Derivative Liability, Fair Value	0.0	0.0
Level 3 [Member] \| Not Designated as Hedging [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Derivative Asset, Fair Value	0.0	0.0
Derivative Liability, Fair Value	0.0	0.0
Interest Rate Contracts [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Derivative Asset, Fair Value	4.6	0.0
Derivative Liability, Fair Value	(18.3)	(49.4)
Interest Rate Contracts [Member] \| Designated as Hedging Instrument [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Derivative Asset, Fair Value	5.0	0.0
Derivative Liability, Fair Value	(11.4)	(39.8)
Interest Rate Contracts [Member] \| Level 1 [Member] \| Designated as Hedging Instrument [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Derivative Asset, Fair Value	0.0	0.0
Derivative Liability, Fair Value	0.0	0.0
Interest Rate Contracts [Member] \| Level 2 [Member] \| Designated as Hedging Instrument [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Derivative Asset, Fair Value	5.0	0.0
Derivative Liability, Fair Value	(11.4)	(39.8)
Interest Rate Contracts [Member] \| Level 3 [Member] \| Designated as Hedging Instrument [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Derivative Asset, Fair Value	0.0	0.0
Derivative Liability, Fair Value	0.0	0.0
Foreign Exchange Contracts [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Derivative Asset, Fair Value	4.3	5.7
Derivative Liability, Fair Value	(14.8)	(10.3)
Foreign Exchange Contracts [Member] \| Designated as Hedging Instrument [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Derivative Asset, Fair Value	4.1	5.7
Derivative Liability, Fair Value	(13.5)	(5.1)
Foreign Exchange Contracts [Member] \| Not Designated as Hedging [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Derivative Asset, Fair Value	0.2	0.0
Derivative Liability, Fair Value	(1.3)	(5.2)
Foreign Exchange Contracts [Member] \| Level 1 [Member] \| Designated as Hedging Instrument [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Derivative Asset, Fair Value	0.0	0.0
Derivative Liability, Fair Value	0.0	0.0
Foreign Exchange Contracts [Member] \| Level 1 [Member] \| Not Designated as Hedging [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Derivative Asset, Fair Value	0.0	0.0
Derivative Liability, Fair Value	0.0	0.0
Foreign Exchange Contracts [Member] \| Level 2 [Member] \| Designated as Hedging Instrument [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Derivative Asset, Fair Value	4.1	5.7
Derivative Liability, Fair Value	(13.5)	(5.1)
Foreign Exchange Contracts [Member] \| Level 2 [Member] \| Not Designated as Hedging [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Derivative Asset, Fair Value	0.2	0.0
Derivative Liability, Fair Value	(1.3)	(5.2)
Foreign Exchange Contracts [Member] \| Level 3 [Member] \| Designated as Hedging Instrument [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Derivative Asset, Fair Value	0.0	0.0
Derivative Liability, Fair Value	0.0	0.0
Foreign Exchange Contracts [Member] \| Level 3 [Member] \| Not Designated as Hedging [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Derivative Asset, Fair Value	0.0	0.0
Derivative Liability, Fair Value	0.0	0.0
Commodity Contracts [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Derivative Asset, Fair Value	1.5	3.2
Derivative Liability, Fair Value	(7.6)	(12.1)
Commodity Contracts [Member] \| Not Designated as Hedging [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Derivative Asset, Fair Value	1.5	3.2
Derivative Liability, Fair Value	(7.6)	(12.1)
Commodity Contracts [Member] \| Level 1 [Member] \| Not Designated as Hedging [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Derivative Asset, Fair Value	0.6	2.1
Derivative Liability, Fair Value	(0.2)	0.0
Commodity Contracts [Member] \| Level 2 [Member] \| Not Designated as Hedging [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Derivative Asset, Fair Value	0.9	1.1
Derivative Liability, Fair Value	(7.4)	(12.1)
Commodity Contracts [Member] \| Level 3 [Member] \| Not Designated as Hedging [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Derivative Asset, Fair Value	0.0	0.0
Derivative Liability, Fair Value	0.0	0.0
Grain contracts [Member] \| Not Designated as Hedging [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Derivative Asset, Fair Value	2.2	7.9
Derivative Liability, Fair Value	(4.0)	(6.5)
Grain contracts [Member] \| Level 1 [Member] \| Not Designated as Hedging [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Derivative Asset, Fair Value	0.0	0.0
Derivative Liability, Fair Value	0.0	0.0
Grain contracts [Member] \| Level 2 [Member] \| Not Designated as Hedging [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Derivative Asset, Fair Value	2.2	7.9
Derivative Liability, Fair Value	(4.0)	(6.5)
Grain contracts [Member] \| Level 3 [Member] \| Not Designated as Hedging [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Derivative Asset, Fair Value	0.0	0.0
Derivative Liability, Fair Value	0.0	0.0
Hedged Debt Designated as Hedged Item [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Long-term debt, carrying value	2,280.6
Current portion of long-term debt	675.6
Long-term debt	$ 1,605.0	$ 1,116.6

Fair value portion of asset recognized for present right to economic benefit.

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