Restructuring and Other Charges (Details Textual) - USD ($) $ in Millions		3 Months Ended		9 Months Ended		12 Months Ended
		Jan. 31, 2026	Jan. 31, 2025	Jan. 31, 2026	Jan. 31, 2025	Apr. 30, 2025	Jan. 13, 2025
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Percentage of Positions Eliminated							12.00%
Restructuring and Related Impairment Charges, Incurred to Date		$ 67		$ 67
Other charges	[1]	0	$ 6	0	$ 6
Inventory Write-down						$ 3
Restructuring Costs, Cash Payments to Date		52		52
Special Termination Benefits [Member]
Restructuring Cost and Reserve [Line Items]
Other charges			$ 4		$ 4	$ 12
Restructuring Charges
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Impairment Charges, Incurred to Date		65		65
Impairment Charge [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Impairment Charges, Incurred to Date		2		2
Minimum
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost		67		67
Maximum
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost		70		70
Severance and Other Employee-Related Costs [Member] | Minimum
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost		31		31
Severance and Other Employee-Related Costs [Member] | Maximum
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost		32		32
Other Restructuring Charges [Member] | Minimum
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost		36		36
Other Restructuring Charges [Member] | Maximum
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost		$ 38		$ 38

[1] Represents $4 million in costs associated with a special, one-time early retirement benefit to qualifying U.S. employees and $2 million in impairment charges on certain cooperage facility assets that were recognized during the three months ended January 31, 2025.