GM Financial Receivables and Transactions - Intercompany Transactions (Details) - GM Financial - USD ($) $ in Millions |
3 Months Ended | ||
|---|---|---|---|
Mar. 31, 2024 |
Mar. 31, 2023 |
Dec. 31, 2023 |
|
| Related Party Transaction [Line Items] | |||
| Financing receivable, net | $ 85,193 | $ 84,119 | |
| Common stock dividends declared and paid | 450 | $ 450 | |
| Eliminations | |||
| Related Party Transaction [Line Items] | |||
| Subvention receivable from GM | 600 | 508 | |
| Interest subvention earned on finance receivables | 335 | 279 | |
| Leased vehicle subvention earned | 364 | 393 | |
| Cash payments | 777 | $ 749 | |
| Commercial Finance Receivables | |||
| Related Party Transaction [Line Items] | |||
| Financing receivable, net | 14,282 | 13,698 | |
| Commercial Finance Receivables | Eliminations | |||
| Related Party Transaction [Line Items] | |||
| Financing receivable, net | 183 | 164 | |
| Commercial loan funding payable to GM | 179 | 55 | |
| Commercial Finance Receivables | Eliminations | Cruise | |||
| Related Party Transaction [Line Items] | |||
| Financing receivable, net | $ 395 | $ 353 | |