Revenue Recognition (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Revenues:
Revenues, Topic 842	$ 2,660	$ 2,483
Revenues, Topic 606	825	802
Revenues, Total	3,485	3,285
Equipment rentals
Revenues:
Revenues, Topic 842	2,660	2,483
Revenues, Topic 606	269	257
Revenues, Total	2,929	2,740
Owned equipment rentals
Revenues:
Owned equipment rentals, Topic 842	2,404	2,266
Revenues, Total	2,404	2,266
Re-rent revenue
Revenues:
Re-rent revenue, Topic 842	55	52
Revenues, Total	55	52
Delivery and pick-up
Revenues:
Revenues, Topic 606	214	203
Revenues, Total	214	203
Other
Revenues:
Other, Topic 842	201	165
Revenues, Topic 606	55	54
Revenues, Total	256	219
Total ancillary and other rental revenues
Revenues:
Revenues, Topic 842	201	165
Revenues, Topic 606	269	257
Revenues, Total	470	422
Sales of rental equipment
Revenues:
Revenues, Topic 606	383	388
Revenues, Total	383	388
Sales of new equipment
Revenues:
Revenues, Topic 606	48	44
Revenues, Total	48	44
Contractor supplies sales
Revenues:
Revenues, Topic 606	36	34
Revenues, Total	36	34
Service and other revenues
Revenues:
Revenues, Topic 606	89	79
Revenues, Total	$ 89	$ 79