Debt Other Disclosures (Details) - USD ($)
$ in Millions |
3 Months Ended |
|
Mar. 31, 2016 |
Feb. 29, 2016 |
| Automotive [Member] | Unsecured Debt [Member] | Senior Notes Issued February 2016 [Member] |
|
|
| Debt Instrument [Line Items] |
|
|
| Debt Instrument, Face Amount |
|
$ 2,000
|
| Automotive [Member] | Unsecured Debt [Member] | Senior Notes 2036 at 6.60% [Member] |
|
|
| Debt Instrument [Line Items] |
|
|
| Debt Instrument, Face Amount |
|
$ 1,250
|
| Debt Instrument, Interest Rate, Stated Percentage |
|
6.60%
|
| Debt Instrument, Maturity Date |
Dec. 31, 2036
|
|
| Automotive [Member] | Unsecured Debt [Member] | Senior Notes 2046 at 6.75% [Member] |
|
|
| Debt Instrument [Line Items] |
|
|
| Debt Instrument, Face Amount |
|
$ 750
|
| Debt Instrument, Interest Rate, Stated Percentage |
|
6.75%
|
| Debt Instrument, Maturity Date |
Dec. 31, 2046
|
|
| GM Financial [Member] | Unsecured Debt [Member] | GERMANY |
|
|
| Debt Instrument [Line Items] |
|
|
| Deposits |
$ 1,600
|
|
| Overnight Deposits, Percentage of Total Deposits |
41.00%
|
|
| GM Financial [Member] | Unsecured Debt [Member] | Senior Notes Issued March 2016 [Member] |
|
|
| Debt Instrument [Line Items] |
|
|
| Debt Instrument, Face Amount |
$ 2,750
|
|
| GM Financial [Member] | Unsecured Debt [Member] | Senior Notes March 2021 at 4.2% [Member] |
|
|
| Debt Instrument [Line Items] |
|
|
| Debt Instrument, Face Amount |
$ 1,500
|
|
| Debt Instrument, Interest Rate, Stated Percentage |
4.20%
|
|
| Debt Instrument, Maturity Date |
Mar. 31, 2021
|
|
| GM Financial [Member] | Unsecured Debt [Member] | Senior Notes March 2026 at 5.25% [Member] |
|
|
| Debt Instrument [Line Items] |
|
|
| Debt Instrument, Face Amount |
$ 1,250
|
|
| Debt Instrument, Interest Rate, Stated Percentage |
5.25%
|
|
| Debt Instrument, Maturity Date |
Mar. 31, 2026
|
|
| GM Financial [Member] | Secured Debt [Member] | Revolving Credit Facility [Member] |
|
|
| Debt Instrument [Line Items] |
|
|
| Line Of Credit Increase Maximum Borrowing Capacity |
$ 366
|
|
| GM Financial [Member] | Secured Debt [Member] | Securitization notes payable [Member] |
|
|
| Debt Instrument [Line Items] |
|
|
| Securitization Notes Payable Issued |
$ 3,200
|
|