Goodwill and Other Intangible Assets (Details 1) - USD ($) $ in Millions	Apr. 30, 2023	Apr. 30, 2022
Finite-lived intangible assets subject to amortization:
Finite-lived intangible assets, Acquisition Cost	$ 3,818.0	$ 5,279.3
Accumulated Amortization, Impairment Charges And Foreign Currency Exchange Expense For Finite Lived Assets	1,993.0	2,233.9
Finite-lived intangible assets, Net	1,825.0	3,045.4
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Intangible Assets, Acquisition Cost	6,648.7	8,112.4
Total Other Intangible Assets Accumulated Amortization Impairment Charges Foreign Currency Exchange	2,219.4	2,460.2
Total other intangible assets	4,429.3	5,652.2
Trademarks
Indefinite-lived intangible assets not subject to amortization:
Indefinite-lived intangible assets, Acquisition Costs	2,830.7	2,833.1
Accumulated Amortization, Impairment Charges And Foreign Currency Exchange Expense For Indefinite Lived Assets	226.4	226.3
Indefinite-lived intangible assets, Net	2,604.3	2,606.8
Customer and contractual relationships
Finite-lived intangible assets subject to amortization:
Finite-lived intangible assets, Acquisition Cost	3,499.0	4,450.0
Accumulated Amortization, Impairment Charges And Foreign Currency Exchange Expense For Finite Lived Assets	1,719.8	1,724.8
Finite-lived intangible assets, Net	1,779.2	2,725.2
Patents and technology
Finite-lived intangible assets subject to amortization:
Finite-lived intangible assets, Acquisition Cost	167.6	167.6
Accumulated Amortization, Impairment Charges And Foreign Currency Exchange Expense For Finite Lived Assets	161.6	155.0
Finite-lived intangible assets, Net	6.0	12.6
Trademarks
Finite-lived intangible assets subject to amortization:
Finite-lived intangible assets, Acquisition Cost	151.4	661.7
Accumulated Amortization, Impairment Charges And Foreign Currency Exchange Expense For Finite Lived Assets	111.6	354.1
Finite-lived intangible assets, Net	$ 39.8	$ 307.6