XML 49 R35.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Automotive and GM Financial Debt (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2017
Automotive [Member] |
Debt Instrument [Line Items] |
Debt carrying amount and fair value |
| June 30, 2017 |  | December 31, 2016
| Carrying Amount |  | Fair Value |  | Carrying Amount |  | Fair Value
Total automotive debt | $ | 10,610 |  |  | $ | 11,626 |  |  | $ | 10,560 |  |  | $ | 11,399 |
Fair value utilizing Level 1 inputs |  |  | $ | 9,679 |  |  |  |  | $ | 9,515 |
Fair value utilizing Level 2 inputs |  |  | $ | 1,947 |  |  |  |  | $ | 1,884 |
GM Financial [Member] |
Debt Instrument [Line Items] |
Debt carrying amount and fair value |
| June 30, 2017 |  | December 31, 2016
| Carrying Amount |  | Fair Value |  | Carrying Amount |  | Fair Value
Secured debt | $ | 38,828 |  |  | $ | 38,926 |  |  | $ | 35,087 |  |  | $ | 35,162 |
Unsecured debt | 39,651 |  |  | 40,645 |  |  | 29,476 |  |  | 30,045 |
Total GM Financial debt | $ | 78,479 |  |  | $ | 79,571 |  |  | $ | 64,563 |  |  | $ | 65,207 |
Fair value utilizing Level 2 inputs |  |  | $ | 77,695 |  |  |  |  | $ | 62,951 |
Fair value utilizing Level 3 inputs |  |  | $ | 1,876 |  |  |  |  | $ | 2,256 |

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of information pertaining to carrying amount and estimated fair value of short-term and long-term debt instruments or arrangements, including but not limited to, identification of terms, features, and collateral requirements. + References No definition available. + Details
Name: | us-gaap_ScheduleOfCarryingValuesAndEstimatedFairValuesOfDebtInstrumentsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | gm_BusinessGroupAxis=gm_AutomotiveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | gm_BusinessGroupAxis=gm_GmFinancialMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |