v3.26.1
Segment Information - Schedule of Financial Information by Segment (Details) - USD ($)
$ in Millions
 3 Months Ended
Jul. 31, 2026
Jul. 31, 2025
Revenues:    
Total revenues $ 3,115 $ 2,801
Cost of revenues:    
Staff costs (645) (576)
Depreciation (546) (532)
Other segment items (922) (764)
Adjusted segment operating profit 932 839
Reconciliation of Adjusted Segment Operating Profit to income before provision for income taxes:    
Central costs (205) (208)
Interest expense, net (107) (95)
Amortization of acquired intangibles (29) (28)
Income before provision for income taxes 591 508
General Tool    
Revenues:    
Total revenues 1,743 1,649
Cost of revenues:    
Staff costs (366) (329)
Depreciation (359) (351)
Other segment items (433) (389)
Adjusted segment operating profit 539 519
Specialty    
Revenues:    
Total revenues 1,132 909
Cost of revenues:    
Staff costs (210) (177)
Depreciation (146) (136)
Other segment items (387) (273)
Adjusted segment operating profit 373 300
United Kingdom    
Revenues:    
Total revenues 240 243
Cost of revenues:    
Staff costs (69) (70)
Depreciation (41) (45)
Other segment items (102) (102)
Adjusted segment operating profit 20 20
Equipment rentals    
Revenues:    
Total revenues 2,927 2,601
Equipment rentals | General Tool    
Revenues:    
Total revenues 1,648 1,535
Equipment rentals | Specialty    
Revenues:    
Total revenues 1,070 854
Equipment rentals | United Kingdom    
Revenues:    
Total revenues 209 212
Sales of rental equipment    
Revenues:    
Total revenues 85 103
Cost of revenues:    
Cost of rental equipment sales (70) (90)
Sales of rental equipment | General Tool    
Revenues:    
Total revenues 54 71
Cost of revenues:    
Cost of rental equipment sales (46) (61)
Sales of rental equipment | Specialty    
Revenues:    
Total revenues 20 23
Cost of revenues:    
Cost of rental equipment sales (16) (23)
Sales of rental equipment | United Kingdom    
Revenues:    
Total revenues 11 9
Cost of revenues:    
Cost of rental equipment sales (8) (6)
Sales of new equipment, merchandise and consumables    
Revenues:    
Total revenues 103 97
Sales of new equipment, merchandise and consumables | General Tool    
Revenues:    
Total revenues 41 43
Sales of new equipment, merchandise and consumables | Specialty    
Revenues:    
Total revenues 42 32
Sales of new equipment, merchandise and consumables | United Kingdom    
Revenues:    
Total revenues $ 20 $ 22