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v3.25.3

Debt - Debt Carrying Amount and Fair Value (Details) - USD ($) $ in Millions | 1 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Mar. 31, 2025 | Sep. 30, 2025 | Dec. 31, 2024
Automotive |  |  |
Debt Instrument [Line Items] |  |  |
Finance lease liabilities |  | $ 555 | $ 383
Finance lease liabilities, Fair Value |  | 552 | 391
Carrying Amount |  | 16,114 | 15,467
Fair Value |  | 16,010 | 15,204
Available under credit facility agreements |  | $ 13,938 | $ 13,793
Weighted-average interest rate on outstanding short-term debt |  | 7.90% | 7.30%
Weighted-average interest rate on outstanding long-term debt |  | 5.80% | 5.80%
Net discount and debt issuance costs |  | $ 454 | $ 439
Automotive | Level 1 |  |  |
Debt Instrument [Line Items] |  |  |
Fair Value |  | 15,019 | 14,366
Automotive | Level 2 |  |  |
Debt Instrument [Line Items] |  |  |
Fair Value |  | 990 | 838
GM Financial |  |  |
Debt Instrument [Line Items] |  |  |
Carrying Amount |  | 116,389 | 114,264
Fair Value |  | 117,945 | 115,010
GM Financial | Level 2 |  |  |
Debt Instrument [Line Items] |  |  |
Fair Value |  | 115,371 | 112,941
GM Financial | Level 3 |  |  |
Debt Instrument [Line Items] |  |  |
Fair Value |  | 2,575 | 2,070
Secured Debt | Automotive |  |  |
Debt Instrument [Line Items] |  |  |
Carrying Amount |  | 99 | 105
Fair Value |  | 99 | 105
Secured Debt | GM Financial |  |  |
Debt Instrument [Line Items] |  |  |
Carrying Amount |  | 49,394 | 49,573
Fair Value |  | 49,733 | 49,753
Unsecured Debt | Automotive |  |  |
Debt Instrument [Line Items] |  |  |
Carrying Amount |  | 15,461 | 14,980
Fair Value |  | 15,359 | 14,709
Unsecured Debt | GM Financial |  |  |
Debt Instrument [Line Items] |  |  |
Carrying Amount |  | 66,994 | 64,691
Fair Value |  | $ 68,212 | $ 65,258
Unsecured Debt | GM Financial | $2.0 Billion Dollar Revolving Credit Facility | Line of Credit |  |  |
Debt Instrument [Line Items] |  |  |
Debt term | 364 days | 364 days |
Aggregate borrowing capacity | $ 2,000 | $ 2,000 |

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