v3.26.3
Segment Information (Schedule of Financial Information by Segment) (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Segment Reporting        
Total revenues $ 4,893 $ 4,229 $ 13,288 $ 11,891
Revenue from contract with customer 1,068 938 2,991 2,703
Equipment rentals gross profit (see calculation below) 2,046 1,665 5,247 4,554
Capital expenditures     5,026 4,033
Rental expenses (2,847) (2,564) (8,041) (7,337)
General Rentals Segment        
Segment Reporting        
Total revenues 3,065 2,826 8,603 8,097
Capital expenditures     3,730 3,049
Specialty Segment        
Segment Reporting        
Total revenues 1,828 1,403 4,685 3,794
Capital expenditures     1,296 984
Equipment rentals        
Segment Reporting        
Total revenues 4,316 3,665 11,584 10,225
Revenue from contract with customer 491 374 1,287 1,037
Equipment rentals | General Rentals Segment        
Segment Reporting        
Total revenues 2,612 2,400 7,259 6,767
Equipment rentals | Specialty Segment        
Segment Reporting        
Total revenues 1,704 1,265 4,325 3,458
Sales of rental equipment        
Segment Reporting        
Total revenues 348 333 1,028 1,027
Revenue from contract with customer 348 333 1,028 1,027
Sales of rental equipment | General Rentals Segment        
Segment Reporting        
Revenue from contract with customer 305 274 890 876
Sales of rental equipment | Specialty Segment        
Segment Reporting        
Revenue from contract with customer 43 59 138 151
Sales of new equipment        
Segment Reporting        
Total revenues 84 95 254 240
Revenue from contract with customer 84 95 254 240
Sales of new equipment | General Rentals Segment        
Segment Reporting        
Revenue from contract with customer 35 45 122 137
Sales of new equipment | Specialty Segment        
Segment Reporting        
Revenue from contract with customer 49 50 132 103
Contractor supplies sales        
Segment Reporting        
Total revenues 47 43 131 120
Revenue from contract with customer 47 43 131 120
Contractor supplies sales | General Rentals Segment        
Segment Reporting        
Revenue from contract with customer 24 23 70 65
Contractor supplies sales | Specialty Segment        
Segment Reporting        
Revenue from contract with customer 23 20 61 55
Service and other revenues        
Segment Reporting        
Total revenues 98 93 291 279
Revenue from contract with customer 98 93 291 279
Service and other revenues | General Rentals Segment        
Segment Reporting        
Revenue from contract with customer 89 84 262 252
Service and other revenues | Specialty Segment        
Segment Reporting        
Revenue from contract with customer 9 9 29 27
Equipment rentals gross profit        
Segment Reporting        
Equipment rentals gross profit (see calculation below) 1,814 1,451 4,561 3,902
Depreciation of rental equipment $ (742) $ (684) $ (2,127) $ (1,972)
Equipment rentals gross profit | Revenues | Product concentration risk        
Segment Reporting        
Equipment rentals gross margin 42.00% 39.60% 39.40% 38.20%
Equipment rentals gross profit | General Rentals Segment        
Segment Reporting        
Equipment rentals gross profit (see calculation below) $ 1,003 $ 881 $ 2,621 $ 2,356
Depreciation of rental equipment $ (537) $ (512) $ (1,557) $ (1,497)
Equipment rentals gross profit | General Rentals Segment | Revenues | Product concentration risk        
Segment Reporting        
Equipment rentals gross margin 38.40% 36.70% 36.10% 34.80%
Equipment rentals gross profit | Specialty Segment        
Segment Reporting        
Equipment rentals gross profit (see calculation below) $ 811 $ 570 $ 1,940 $ 1,546
Depreciation of rental equipment $ (205) $ (172) $ (570) $ (475)
Equipment rentals gross profit | Specialty Segment | Revenues | Product concentration risk        
Segment Reporting        
Equipment rentals gross margin 47.60% 45.10% 44.90% 44.70%
Labor and benefits        
Segment Reporting        
Rental expenses $ (593) $ (550) $ (1,731) $ (1,619)
Labor and benefits | General Rentals Segment        
Segment Reporting        
Rental expenses (441) (416) (1,296) (1,237)
Labor and benefits | Specialty Segment        
Segment Reporting        
Rental expenses (152) (134) (435) (382)
Repairs and maintenance        
Segment Reporting        
Rental expenses (310) (294) (858) (808)
Repairs and maintenance | General Rentals Segment        
Segment Reporting        
Rental expenses (236) (228) (658) (630)
Repairs and maintenance | Specialty Segment        
Segment Reporting        
Rental expenses (74) (66) (200) (178)
Delivery        
Segment Reporting        
Rental expenses (306) (274) (807) (732)
Delivery | General Rentals Segment        
Segment Reporting        
Rental expenses (143) (141) (387) (384)
Delivery | Specialty Segment        
Segment Reporting        
Rental expenses (163) (133) (420) (348)
All other rental expenses        
Segment Reporting        
Rental expenses (551) (412) (1,500) (1,192)
All other rental expenses | General Rentals Segment        
Segment Reporting        
Rental expenses (252) (222) (740) (663)
All other rental expenses | Specialty Segment        
Segment Reporting        
Rental expenses (299) (190) (760) (529)
Gross profit from other lines of business        
Segment Reporting        
Equipment rentals gross profit (see calculation below) $ 232 $ 214 $ 686 $ 652