Goodwill and Other Intangible Assets (Details) - USD ($) $ in Millions		12 Months Ended
		Apr. 30, 2024		Apr. 30, 2023
Summary of changes in the company's goodwill
Goodwill, Beginning Balance		$ 5,216.9		$ 6,015.8
Acquisition		2,447.2
Divestitures		(11.5)		(790.3)
Other	[1]	(2.7)		(8.6)
Goodwill, Ending Balance		7,649.9	[2]	5,216.9
Goodwill, Impaired, Accumulated Impairment Loss		242.9
U.S. Retail Coffee
Summary of changes in the company's goodwill
Goodwill, Beginning Balance		2,090.9		2,090.9
Acquisition		0.0
Divestitures		0.0		0.0
Other	[1]	0.0		0.0
Goodwill, Ending Balance		2,090.9	[2]	2,090.9
U.S. Retail Frozen Handheld and Spreads
Summary of changes in the company's goodwill
Goodwill, Beginning Balance		1,147.5		1,147.5
Acquisition		0.0
Divestitures		(7.6)		0.0
Other	[1]	0.0		0.0
Goodwill, Ending Balance		1,139.9	[2]	1,147.5
U.S. Retail Pet Foods
Summary of changes in the company's goodwill
Goodwill, Beginning Balance		1,580.2		2,368.2
Acquisition		0.0
Divestitures		0.0		(788.0)
Other	[1]	0.0		0.0
Goodwill, Ending Balance		1,580.2	[2]	1,580.2
Sweet Baked Snacks
Summary of changes in the company's goodwill
Goodwill, Beginning Balance		0.0		0.0
Acquisition		2,447.2
Divestitures		0.0		0.0
Other	[1]	0.0		0.0
Goodwill, Ending Balance		2,447.2	[2]	0.0
International and Away From Home
Summary of changes in the company's goodwill
Goodwill, Beginning Balance		398.3		409.2
Acquisition		0.0
Divestitures		(3.9)		(2.3)
Other	[1]	(2.7)		(8.6)
Goodwill, Ending Balance		$ 391.7	[2]	$ 398.3

[1] The amounts classified as other represent foreign currency translation adjustments.

[2] Included in goodwill as of April 30, 2024, are accumulated goodwill impairment charges of $242.9.