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GM Financial Receivables and Transactions - Intercompany Transactions (Details) - GM Financial - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Related Party Transactions [Line Items] |  |  |
Financing receivable | $ 95,294 | $ 86,463 |
Common stock dividends declared and paid | 1,800 | 1,800 | $ 1,700
Commercial Portfolio Segment |  |  |
Related Party Transactions [Line Items] |  |  |
Financing receivable | 19,228 | 13,734 |
Eliminations/ Reclassifications |  |  |
Related Party Transactions [Line Items] |  |  |
Subvention receivable from GM | 360 | 508 |
Interest subvention earned on finance receivables | 1,385 | 1,234 | 984
Leased vehicle subvention earned | 1,511 | 1,537 | 1,916
Cash payments | 3,800 | 3,500 | $ 2,400
Eliminations/ Reclassifications | Commercial Portfolio Segment |  |  |
Related Party Transactions [Line Items] |  |  |
Financing receivable | 279 | 164 |
Commercial loan funding payable to GM | 100 | 55 |
Eliminations/ Reclassifications | Commercial Portfolio Segment | Cruise |  |  |
Related Party Transactions [Line Items] |  |  |
Financing receivable | $ 395 | $ 353 |

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