SEGMENT INFORMATION - Schedule of cash flows from investing activities by reportable segment (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Segment Reporting Information [Line Items]
Purchases of rental equipment	$ (1,780)	$ (1,586)	$ (1,098)
Proceeds from sale of rental equipment	1,160	1,323	$ 647
Equipment Rental and Service Operations
Segment Reporting Information [Line Items]
Purchases of rental equipment	(1,780)	(1,586)
Proceeds from sale of rental equipment	0	0
Equipment Sales
Segment Reporting Information [Line Items]
Purchases of rental equipment	0	0
Proceeds from sale of rental equipment	$ 1,160	$ 1,323