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Automotive and GM Financial Debt | 6 Months Ended
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Jun. 30, 2017
Debt Disclosure [Abstract] |
Automotive and GM Financial Debt | Automotive and GM Financial Debt
| 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 |
The fair value of automotive debt measured utilizing Level 1 inputs was based on quoted prices in active markets for identical instruments that a market participant can access at the measurement date. The fair value of automotive debt measured utilizing Level 2 inputs was based on a discounted cash flow model using observable inputs. This model utilizes observable inputs such as contractual repayment terms and benchmark yield curves, plus a spread based on our senior unsecured notes that is intended to represent our nonperformance risk. We obtain the benchmark yield curves and yields on unsecured notes from independent sources that are widely used in the financial industry. At June 30, 2017 and December 31, 2016 the fair value of automotive d ebt exceeded its carrying amount due primarily to a decrease in bond yields compared to yields at the time of issuance.
| 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 |
The fair value of GM Financial debt measured utilizing Level 2 inputs was based on quoted market prices for identical instruments and if unavailable, quoted market prices of similar instruments. For debt with original maturity or revolving period of eighteen months or less par value is considered to be a reasonable estimate of fair value. The fair value of GM Financial debt measured utilizing Level 3 inputs was based on the discounted future net cash flows expected to be settled using current risk-adjusted rates. Secured debt consists of revolving credit facilities and securitization notes payable. Most of the secured debt was issued by VIEs and is repayable only from proceeds related to the underlying pledged Securitized Assets. Refer to Note 8 for additional information on GM Financial's involvement with VIEs. In the six months ended June 30, 2017 we entered into new or renewed credit facilities with a total net additional borrowing capacity of $1.9 billion, which had substantially the same terms as existing debt and we issued $9.3 billion in aggregate principal amount of securitization notes payable with an initial weighted average interest rate of 2.04% and maturity dates ranging from 2020 to 2025. Unsecured debt consists of senior notes, credit facilities and other unsecured debt. In the six months ended June 30, 2017 we issued $10.0 billion in aggregate principal amount of senior notes with an initial weighted average interest rate of 2.90% and maturity dates ranging from 2019 to 2027. Each of these notes contain terms and covenants including limitations on GM Financial's ability to incur certain liens.

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- Definition The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -URI http://asc.fasb.org/topic&trid=2208564 + Details
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