v3.26.1
Other Comprehensive Income Schedule of Other Comprehensive Income (Details) - USD ($)
$ in Millions
 12 Months Ended
Apr. 30, 2026
Apr. 30, 2025
Apr. 30, 2024
Before Tax:      
Net other comprehensive income (loss) $ 121 $ (16) $ 15
Tax Effect:      
Net other comprehensive income (loss) (9) 17 (1)
Net of Tax:      
Net other comprehensive income (loss) 112 1 14
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]      
Before Tax:      
Net gain (loss) 93 9 (16)
Reclassification to earnings 0 0 4 [1]
Net other comprehensive income (loss) 93 9 (12)
Tax Effect:      
Net gain (loss) (2) 10 (1)
Reclassification to earnings 0 0 6
Net other comprehensive income (loss) (2) 10 5
Net of Tax:      
Net gain (loss) 91 19 (17)
Reclassification to earnings 0 0 10
Net other comprehensive income (loss) 91 19 (7)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent      
Before Tax:      
Net gain (loss) (13) (9) 11
Reclassification to earnings [2] 13 (10) (12)
Net other comprehensive income (loss) 0 (19) (1)
Tax Effect:      
Net gain (loss) 3 2 (2)
Reclassification to earnings (3) 2 3
Net other comprehensive income (loss) 0 4 1
Net of Tax:      
Net gain (loss) (10) (7) 9
Reclassification to earnings 10 (8) (9)
Net other comprehensive income (loss) 0 (15) 0
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]      
Before Tax:      
Net gain (loss) (1) (8) 22
Reclassification to earnings [3] 29 2 6
Net other comprehensive income (loss) 28 (6) 28
Tax Effect:      
Net gain (loss) 0 3 (5)
Reclassification to earnings (7) 0 (2)
Net other comprehensive income (loss) (7) 3 (7)
Net of Tax:      
Net gain (loss) (1) (5) 17
Reclassification to earnings 22 2 4
Net other comprehensive income (loss) $ 21 $ (3) $ 21
[1] Pre-tax amount is classified in gain on business divestitures in the accompanying consolidated statements of operations.
[2] Pre-tax amount is classified as sales in the accompanying consolidated statements of operations.
[3] Pre-tax amount is classified as non-operating postretirement expense in the accompanying consolidated statements of operations.