v3.26.1
Income Taxes (Deferred Tax Assets and Liabilities) (Details) - USD ($)
$ in Millions
Apr. 30, 2026
Apr. 30, 2025
Deferred tax assets:    
Postretirement and other benefits $ 63 $ 65
Accrued liabilities and other 53 44
Inventories 54 42
Lease liabilities 29 27
Derivative instruments 2 2
Loss and credit carryforwards 64 57
Interest expense limitation carryforwards 21 [1] 23
Total deferred tax assets 286 260
Valuation allowance (38) (35)
Total deferred tax assets, net of valuation allowance 248 225
Deferred tax liabilities:    
Intangible assets (285) (294)
Property, plant, and equipment (100) (96)
Right-of-use assets (29) (27)
Other (6) (2)
Total deferred tax liabilities (420) (419)
Net deferred tax liability $ (172) $ (194)
[1] The interest expense limitation carryforwards do not expire.