REVENUE EARNING EQUIPMENT, NET - Schedule of Revenue Earning Equipment (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2026	Dec. 31, 2025
Revenue Earning Equipment [Line Items]
Cost	$ 15,118	$ 15,360
Accumulated Depreciation	(6,553)	(6,462)
Net	$ 8,565	8,898
Trucks
Revenue Earning Equipment [Line Items]
Estimated useful lives (in years) , minimum	2 years 6 months
Estimated useful lives (in years) , maximum	7 years 6 months
Cost	$ 6,096	6,183
Accumulated Depreciation	(2,260)	(2,216)
Net	$ 3,836	3,967
Tractors
Revenue Earning Equipment [Line Items]
Estimated useful lives (in years) , minimum	4 years
Estimated useful lives (in years) , maximum	7 years 6 months
Cost	$ 6,567	6,567
Accumulated Depreciation	(2,989)	(2,843)
Net	$ 3,578	3,724
Trailers and other
Revenue Earning Equipment [Line Items]
Estimated useful lives (in years) , minimum	9 years 6 months
Estimated useful lives (in years) , maximum	13 years
Cost	$ 1,797	1,754
Accumulated Depreciation	(778)	(723)
Net	1,019	1,031
Held for sale
Revenue Earning Equipment [Line Items]
Cost	658	856
Accumulated Depreciation	(526)	(680)
Net	$ 132	$ 176