Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions |
Jun. 30, 2022 |
Dec. 31, 2021 |
|---|---|---|
| Common stock par value (in dollars per share) | $ 0.01 | $ 0.01 |
| Automotive | ||
| Accounts Receivable, Allowance for Credit Loss, Current | $ 214 | $ 192 |
| GM Financial | ||
| Accounts Receivable, Allowance for Credit Loss, Current | 782 | 703 |
| Accounts and Financing Receivable, after Allowance for Credit Loss, Noncurrent | $ 1,245 | $ 1,183 |