v3.25.2
Segment Reporting - Schedule of Operations Reporting by Revenue (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Segment Reporting Information [Line Items]        
Revenues $ 4,255 $ 3,918 $ 8,419 $ 7,729
Costs and expenses        
(Gain) loss on termination of leased vehicles     347 417
Provision for loan losses 354 174 682 378
Interest expense 1,638 1,485 3,235 2,881
Equity income 16 14 28 45
Income before income taxes 704 822 1,389 1,559
Reportable Segments        
Segment Reporting Information [Line Items]        
Revenues 4,243 3,914 8,398 7,723
Costs and expenses        
Income before income taxes 720 835 1,421 1,584
North America        
Segment Reporting Information [Line Items]        
Revenues 3,852 3,527 7,630 6,942
Costs and expenses        
Salaries and benefits 251 242 523 497
Leased vehicle depreciation 1,215 1,162 2,400 2,387
(Gain) loss on termination of leased vehicles (191) (215) (347) (417)
Provision for loan losses 314 150 606 321
Interest expense 1,462 1,315 2,887 2,544
GM Protection claim losses 13 7 23 12
Other segment items 148 121 274 218
Equity income 0 0 0 0
Income before income taxes 640 745 1,265 1,380
International        
Segment Reporting Information [Line Items]        
Revenues 391 387 768 781
Costs and expenses        
Salaries and benefits 38 39 76 76
Leased vehicle depreciation 20 19 38 38
(Gain) loss on termination of leased vehicles 0 0 0 0
Provision for loan losses 40 24 76 57
Interest expense 176 170 349 337
GM Protection claim losses 0 0 0 0
Other segment items 52 58 101 114
Equity income 16 14 28 45
Income before income taxes 81 90 156 204
Other Operating Segment        
Segment Reporting Information [Line Items]        
Revenues 12 4 21 6
Costs and expenses        
Income before income taxes $ (17) $ (13) $ (32) $ (25)