v3.26.3
SEGMENT REPORTING - Schedule of Segment Information by Segment (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Segment Reporting [Line Items]        
Depreciation expense and other non-cash charges, net $ 557 $ 555 $ 1,674 $ 1,670
Interest expense 96 102 290 304
Purchases of property and revenue earning equipment 543 527 1,375 1,730
SCS        
Segment Reporting [Line Items]        
Non-cash impairment charge     10  
Operating Segments | FMS        
Segment Reporting [Line Items]        
Depreciation expense and other non-cash charges, net 428 435 1,284 1,316
Interest expense 89 95 270 284
Purchases of property and revenue earning equipment 492 464 1,265 1,601
Operating Segments | SCS        
Segment Reporting [Line Items]        
Depreciation expense and other non-cash charges, net 109 101 325 295
Interest expense 6 5 16 14
Purchases of property and revenue earning equipment 47 58 97 115
Operating Segments | DTS        
Segment Reporting [Line Items]        
Depreciation expense and other non-cash charges, net 3 3 9 14
Interest expense 1 2 4 6
Purchases of property and revenue earning equipment 1 1 2 2
Segment Reconciling Items        
Segment Reporting [Line Items]        
Depreciation expense and other non-cash charges, net 17 16 56 45
Interest expense 0 0 0 0
Purchases of property and revenue earning equipment $ 3 $ 4 $ 11 $ 12