v3.25.2
Segment Information - Schedule of Segment Information (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Segment Reporting Information [Line Items]          
Interest income $ 1,339 $ 1,219 $ 2,648 $ 2,392  
Interest expense 317 297 629 574  
Provision for finance receivable losses 511 575 967 1,006  
Net interest income after provision for finance receivable losses 511 347 1,052 812  
Other revenues 176 174 364 354  
Salaries and benefits 230 206 448 430  
Other operating expenses 189 176 376 343  
Insurance policy benefits and claims 54 47 103 97  
Income before income taxes 214 92 489 296  
Assets 26,628 25,085 26,628 25,085 $ 25,910
Consumer and Insurance | Consumer and Insurance          
Segment Reporting Information [Line Items]          
Interest income 1,333 1,210 2,635 2,382  
Interest expense 317 295 628 572  
Provision for finance receivable losses 511 515 967 946  
Net interest income after provision for finance receivable losses 505 400 1,040 864  
Other revenues 175 172 361 351  
Salaries and benefits 229 205 446 428  
Other operating expenses 186 175 371 342  
Insurance policy benefits and claims 54 47 103 97  
Income before income taxes 211 145 481 348  
Assets 25,485 23,949 25,485 23,949  
Other          
Segment Reporting Information [Line Items]          
Interest income 1 1 1 2  
Interest expense 0 1 0 1  
Provision for finance receivable losses 0 0 0 0  
Net interest income after provision for finance receivable losses 1 0 1 1  
Other revenues 2 2 4 3  
Salaries and benefits 1 1 2 2  
Other operating expenses 3 1 4 1  
Insurance policy benefits and claims 0 0 0 0  
Income before income taxes (1) 0 (1) 1  
Assets 10 16 10 16  
Segment to GAAP Adjustment          
Segment Reporting Information [Line Items]          
Interest income 5 8 12 8  
Interest expense 0 1 1 1  
Provision for finance receivable losses 0 60 0 60  
Net interest income after provision for finance receivable losses 5 (53) 11 (53)  
Other revenues (1) 0 (1) 0  
Salaries and benefits 0 0 0 0  
Other operating expenses 0 0 1 0  
Insurance policy benefits and claims 0 0 0 0  
Income before income taxes 4 (53) 9 (53)  
Assets $ 1,133 $ 1,120 $ 1,133 $ 1,120