Finance Receivables - Schedule of Delinquency (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
Dec. 31, 2024 |
|
| Gross charge-offs | |||||
| 2025 | $ 16 | $ 171 | |||
| 2024 | 292 | 556 | |||
| 2023 | 283 | 495 | |||
| 2022 | 195 | 305 | |||
| 2021 | 113 | 126 | |||
| Prior | 67 | 102 | |||
| Total | 967 | 1,754 | |||
| Retail Finance Receivables | |||||
| Financing Receivable, Past Due [Line Items] | |||||
| 2025 | $ 17,636 | 17,636 | 31,101 | ||
| 2024 | 26,063 | 26,063 | 20,100 | ||
| 2023 | 15,986 | 15,986 | 12,802 | ||
| 2022 | 9,788 | 9,788 | 7,642 | ||
| 2021 | 5,620 | 5,620 | 3,575 | ||
| Prior | 2,744 | 2,744 | 847 | ||
| Total | $ 77,837 | $ 73,335 | $ 77,837 | $ 73,335 | $ 76,066 |
| Percent of portfolio | 100.00% | 100.00% | 100.00% | 100.00% | 100.00% |
| Gross charge-offs | |||||
| Total | $ 488 | $ 411 | $ 967 | $ 816 | |
| Retail Finance Receivables | Performing Financial Instruments | 0 - 30 days | |||||
| Financing Receivable, Past Due [Line Items] | |||||
| 2025 | 17,493 | 17,493 | $ 30,581 | ||
| 2024 | 25,437 | 25,437 | 19,411 | ||
| 2023 | 15,415 | 15,415 | 12,207 | ||
| 2022 | 9,327 | 9,327 | 7,178 | ||
| 2021 | 5,280 | 5,280 | 3,350 | ||
| Prior | 2,523 | 2,523 | 710 | ||
| Total | $ 75,474 | $ 71,211 | $ 75,474 | $ 71,211 | $ 73,438 |
| Percent of portfolio | 97.00% | 97.10% | 97.00% | 97.10% | 96.50% |
| Retail Finance Receivables | Nonperforming Financial Instruments | 31 - 60 days | |||||
| Financing Receivable, Past Due [Line Items] | |||||
| 2025 | $ 103 | $ 103 | $ 374 | ||
| 2024 | 435 | 435 | 481 | ||
| 2023 | 394 | 394 | 425 | ||
| 2022 | 325 | 325 | 340 | ||
| 2021 | 247 | 247 | 166 | ||
| Prior | 161 | 161 | 99 | ||
| Total | $ 1,665 | $ 1,551 | $ 1,665 | $ 1,551 | $ 1,885 |
| Percent of portfolio | 2.10% | 2.10% | 2.10% | 2.10% | 2.50% |
| Retail Finance Receivables | Nonperforming Financial Instruments | Greater than 60 days | |||||
| Financing Receivable, Past Due [Line Items] | |||||
| 2025 | $ 36 | $ 36 | $ 128 | ||
| 2024 | 167 | 167 | 188 | ||
| 2023 | 157 | 157 | 155 | ||
| 2022 | 125 | 125 | 115 | ||
| 2021 | 85 | 85 | 55 | ||
| Prior | 57 | 57 | 36 | ||
| Total | $ 626 | $ 509 | $ 626 | $ 509 | $ 677 |
| Percent of portfolio | 0.80% | 0.70% | 0.80% | 0.70% | 0.90% |
| Retail Finance Receivables | Nonperforming Financial Instruments | Finance receivables more than 30 days delinquent | |||||
| Financing Receivable, Past Due [Line Items] | |||||
| 2025 | $ 139 | $ 139 | $ 502 | ||
| 2024 | 602 | 602 | 669 | ||
| 2023 | 550 | 550 | 580 | ||
| 2022 | 450 | 450 | 455 | ||
| 2021 | 333 | 333 | 221 | ||
| Prior | 218 | 218 | 135 | ||
| Total | $ 2,291 | $ 2,060 | $ 2,291 | $ 2,060 | $ 2,562 |
| Percent of portfolio | 2.90% | 2.80% | 2.90% | 2.80% | 3.40% |
| Retail Finance Receivables | Nonperforming Financial Instruments | In repossession | |||||
| Financing Receivable, Past Due [Line Items] | |||||
| 2025 | $ 4 | $ 4 | $ 17 | ||
| 2024 | 24 | 24 | 19 | ||
| 2023 | 21 | 21 | 14 | ||
| 2022 | 11 | 11 | 10 | ||
| 2021 | 7 | 7 | 3 | ||
| Prior | 3 | 3 | 2 | ||
| Total | $ 71 | $ 64 | $ 71 | $ 64 | $ 66 |
| Percent of portfolio | 0.10% | 0.10% | 0.10% | 0.10% | 0.10% |
| Retail Finance Receivables | Nonperforming Financial Instruments | Finance receivables more than 30 days delinquent or in repossession | |||||
| Financing Receivable, Past Due [Line Items] | |||||
| 2025 | $ 143 | $ 143 | $ 519 | ||
| 2024 | 626 | 626 | 689 | ||
| 2023 | 571 | 571 | 595 | ||
| 2022 | 461 | 461 | 464 | ||
| 2021 | 340 | 340 | 225 | ||
| Prior | 221 | 221 | 136 | ||
| Total | $ 2,362 | $ 2,124 | $ 2,362 | $ 2,124 | $ 2,628 |
| Percent of portfolio | 3.00% | 2.90% | 3.00% | 2.90% | 3.50% |