REVENUE EARNING EQUIPMENT, NET - Schedule of Revenue Earning Equipment (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2025	Dec. 31, 2024
Revenue Earning Equipment [Line Items]
Cost	$ 15,315	$ 15,449
Accumulated Depreciation	(6,312)	(6,243)
Net	$ 9,003	9,206
Trucks
Revenue Earning Equipment [Line Items]
Estimated useful lives (in years) , minimum	3 years
Estimated useful lives (in years) , maximum	7 years
Cost	$ 6,217	6,252
Accumulated Depreciation	(2,196)	(2,210)
Net	$ 4,021	4,042
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	$ 6,670	6,721
Accumulated Depreciation	(2,841)	(2,739)
Net	$ 3,829	3,982
Trailers and other
Revenue Earning Equipment [Line Items]
Estimated useful lives (in years) , minimum	9 years 6 months
Estimated useful lives (in years) , maximum	12 years
Cost	$ 1,687	1,695
Accumulated Depreciation	(692)	(671)
Net	995	1,024
Held for sale
Revenue Earning Equipment [Line Items]
Cost	741	781
Accumulated Depreciation	(583)	(623)
Net	$ 158	$ 158