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Summary of Significant Accounting Policies (Narrative) (Details) $ / shares in Units, $ in Billions	Feb. 23, 2024 $ / shares	Apr. 30, 2024 USD ($)	Jan. 31, 2024 USD ($)	Apr. 30, 2023 USD ($)
Accounting Policies [Line Items]
Outstanding payment obligation \| $		$ 5.2	$ 5.3	$ 4.7
Stock split, conversion ratio (in shares)	3
Common stock, par value (in dollars per share) \| $ / shares	$ 0.10
Minimum
Accounting Policies [Line Items]
Supplier finance program, payment timing, period (in days)		30 days
Maximum
Accounting Policies [Line Items]
Supplier finance program, payment timing, period (in days)		90 days