Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions |
Dec. 31, 2023 |
Dec. 31, 2022 |
|---|---|---|
| Common stock par value (in dollars per share) | $ 0.01 | $ 0.01 |
| Automotive | ||
| Allowance for doubtful accounts and notes receivable, current | $ 298 | $ 260 |
| GM Financial | ||
| Allowance for doubtful accounts and notes receivable, current | 906 | 869 |
| Allowance for doubtful accounts and notes receivable, noncurrent | $ 1,438 | $ 1,227 |