v3.26.1
Stockholders' Equity - Narrative (Details)
$ / shares in Units, $ in Millions
12 Months Ended
Apr. 30, 2026
USD ($)
Apr. 30, 2026
USD ($)
Apr. 30, 2025
USD ($)
Apr. 30, 2024
USD ($)
Apr. 30, 2026
£ / shares
shares
Apr. 30, 2026
$ / shares
shares
Mar. 02, 2026
USD ($)
Apr. 30, 2025
£ / shares
shares
Apr. 30, 2025
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Common stock, par value (in pound and dollars per share) | (per share)         £ 0.10 $ 0.01   £ 0.10 $ 0.18
Common stock, shares authorized (in shares)         413,965,587 413,965,587   451,354,833 451,354,833
Share repurchase program, amount | $             $ 1,500    
Repurchase of common stock | $ $ 259 $ 1,426 $ 437 $ 108          
Sunbelt Rentals Common Stock                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Common stock, shares authorized (in shares)         2,500,000,000 2,500,000,000      
Preferred stock, shares authorized (in shares)         25,000,000 25,000,000      
Preferred stock, par value (in dollars per share) | $ / shares           $ 0.01      
Preferred stock, shares issued (in shares)         0 0