Segment Information (Schedule of Financial Information by Segment) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2025	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Segment Reporting Information [Line Items]
Total revenues	$ 4,208	$ 4,229	$ 3,943	$ 3,719	$ 4,095	$ 3,992	$ 3,773	$ 3,485	$ 16,099	$ 15,345	$ 14,332
Revenues from contract with customer									3,695	3,588	3,395
Equipment rentals gross profit	1,590	$ 1,665	$ 1,533	$ 1,356	1,638	$ 1,648	$ 1,518	$ 1,346	6,144	6,150	5,813
Capital expenditures									4,568	4,130	3,864
Rental expenses									(9,955)	(9,195)	(8,519)
Total assets	29,866				28,163				29,866	28,163	25,589
Sales of rental equipment
Segment Reporting Information [Line Items]
Capital expenditures incurred but not yet paid									117	77	74
H&E
Segment Reporting Information [Line Items]
Termination income									64
Equipment rentals
Segment Reporting Information [Line Items]
Total revenues									13,806	13,029	12,064
Revenues from contract with customer									$ 1,402	1,272	1,127
Equipment rentals | Revenues | Product concentration risk
Segment Reporting Information [Line Items]
Equipment rentals gross margin									77.00%
Sales of rental equipment
Segment Reporting Information [Line Items]
Total revenues									$ 1,413	1,521	1,574
Revenues from contract with customer									1,413	1,521	1,574
Sales of new equipment
Segment Reporting Information [Line Items]
Total revenues									348	282	218
Revenues from contract with customer									348	282	218
Contractor supplies sales
Segment Reporting Information [Line Items]
Total revenues									163	155	146
Revenues from contract with customer									163	155	146
Service and other revenues
Segment Reporting Information [Line Items]
Total revenues									369	358	330
Revenues from contract with customer									369	358	330
Equipment rentals
Segment Reporting Information [Line Items]
Equipment rentals gross profit									5,248	5,198	4,814
Depreciation of rental equipment									$ (2,670)	$ (2,466)	$ (2,350)
Equipment rentals | Revenues | Product concentration risk
Segment Reporting Information [Line Items]
Equipment rentals gross margin									38.00%	39.90%	39.90%
Labor and benefits
Segment Reporting Information [Line Items]
Rental expenses									$ (2,161)	$ (2,018)	$ (1,896)
Repairs and maintenance
Segment Reporting Information [Line Items]
Rental expenses									(1,087)	(1,041)	(1,003)
Delivery
Segment Reporting Information [Line Items]
Rental expenses									(987)	(822)	(717)
All other rental expenses
Segment Reporting Information [Line Items]
Rental expenses									(1,653)	(1,484)	(1,284)
General rentals
Segment Reporting Information [Line Items]
Total revenues									11,001	10,845	10,697
Capital expenditures									3,409	3,102	3,051
Total assets	21,787				21,044				$ 21,787	21,044	20,411
General rentals | Revenues | Product concentration risk
Segment Reporting Information [Line Items]
Equipment rentals gross margin									68.00%
General rentals | Equipment rentals
Segment Reporting Information [Line Items]
Total revenues									$ 9,165	8,945	8,803
General rentals | Sales of rental equipment
Segment Reporting Information [Line Items]
Revenues from contract with customer									1,216	1,328	1,411
General rentals | Sales of new equipment
Segment Reporting Information [Line Items]
Revenues from contract with customer									199	159	95
General rentals | Contractor supplies sales
Segment Reporting Information [Line Items]
Revenues from contract with customer									87	87	89
General rentals | Service and other revenues
Segment Reporting Information [Line Items]
Revenues from contract with customer									334	326	299
General rentals | Equipment rentals
Segment Reporting Information [Line Items]
Equipment rentals gross profit									3,225	3,232	3,219
Depreciation of rental equipment									$ (2,021)	$ (1,968)	$ (1,989)
General rentals | Equipment rentals | Revenues | Product concentration risk
Segment Reporting Information [Line Items]
Equipment rentals gross margin									35.20%	36.10%	36.60%
General rentals | Labor and benefits
Segment Reporting Information [Line Items]
Rental expenses									$ (1,637)	$ (1,576)	$ (1,519)
General rentals | Repairs and maintenance
Segment Reporting Information [Line Items]
Rental expenses									(848)	(830)	(827)
General rentals | Delivery
Segment Reporting Information [Line Items]
Rental expenses									(514)	(472)	(448)
General rentals | All other rental expenses
Segment Reporting Information [Line Items]
Rental expenses									(920)	(867)	(801)
Specialty
Segment Reporting Information [Line Items]
Total revenues									5,098	4,500	3,635
Capital expenditures									1,159	1,028	813
Total assets	$ 8,079				$ 7,119				8,079	7,119	5,178
Specialty | Equipment rentals
Segment Reporting Information [Line Items]
Total revenues									4,641	4,084	3,261
Specialty | Sales of rental equipment
Segment Reporting Information [Line Items]
Revenues from contract with customer									197	193	163
Specialty | Sales of new equipment
Segment Reporting Information [Line Items]
Revenues from contract with customer									149	123	123
Specialty | Contractor supplies sales
Segment Reporting Information [Line Items]
Revenues from contract with customer									76	68	57
Specialty | Service and other revenues
Segment Reporting Information [Line Items]
Revenues from contract with customer									35	32	31
Specialty | Equipment rentals
Segment Reporting Information [Line Items]
Equipment rentals gross profit									2,023	1,966	1,595
Depreciation of rental equipment									$ (649)	$ (498)	$ (361)
Specialty | Equipment rentals | Revenues | Product concentration risk
Segment Reporting Information [Line Items]
Equipment rentals gross margin									43.60%	48.10%	48.90%
Specialty | Labor and benefits
Segment Reporting Information [Line Items]
Rental expenses									$ (524)	$ (442)	$ (377)
Specialty | Repairs and maintenance
Segment Reporting Information [Line Items]
Rental expenses									(239)	(211)	(176)
Specialty | Delivery
Segment Reporting Information [Line Items]
Rental expenses									(473)	(350)	(269)
Specialty | All other rental expenses
Segment Reporting Information [Line Items]
Rental expenses									$ (733)	$ (617)	$ (483)