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GM Financial Receivables and Transactions - Intercompany Transactions (Details) - GM Financial - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024
Related Party Transaction [Line Items] |  |  |
GM Financial receivables | $ 93,618 |  | $ 95,294
Common stock dividends declared and paid | 350 | $ 450 |
Commercial Finance Receivables |  |  |
Related Party Transaction [Line Items] |  |  |
GM Financial receivables | 16,623 |  | 19,228
Eliminations |  |  |
Related Party Transaction [Line Items] |  |  |
Subvention receivable from GM | 542 |  | 360
Interest subvention earned on finance receivables | 367 | 335 |
Leased vehicle subvention earned | 415 | 364 |
Cash payments | 704 | $ 777 |
Eliminations | Commercial Finance Receivables |  |  |
Related Party Transaction [Line Items] |  |  |
GM Financial receivables | 261 |  | 279
Commercial loan funding payable to GM | 110 |  | 100
Eliminations | Commercial Finance Receivables | Cruise |  |  |
Related Party Transaction [Line Items] |  |  |
GM Financial receivables | $ 0 |  | $ 395

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