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Revenue | 12 Months Ended
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Dec. 31, 2018
Revenue from Contract with Customer [Abstract] |
Revenue | Revenue The following table disaggregates our revenue by major source for revenue generating segments:
| Year Ended December 31, 2018
| GMNA |  | GMI |  | Corporate |  | Total Automotive |  | GM Financial |  | Eliminations |  | Total
Vehicle, parts and accessories | $ | 107,217 |  |  | $ | 17,980 |  |  | $ | 20 |  |  | $ | 125,217 |  |  | $ | — |  |  | $ | (62 | ) |  | $ | 125,155 |
Used vehicles | 3,215 |  |  | 175 |  |  | — |  |  | 3,390 |  |  | — |  |  | (36 | ) |  | 3,354 |
Services and other | 3,360 |  |  | 993 |  |  | 183 |  |  | 4,536 |  |  | — |  |  | — |  |  | 4,536 |
Automotive net sales and revenue | 113,792 |  |  | 19,148 |  |  | 203 |  |  | 133,143 |  |  | — |  |  | (98 | ) |  | 133,045 |
Leased vehicle income | — |  |  | — |  |  | — |  |  | — |  |  | 9,963 |  |  | — |  |  | 9,963 |
Finance charge income | — |  |  | — |  |  | — |  |  | — |  |  | 3,629 |  |  | (8 | ) |  | 3,621 |
Other income | — |  |  | — |  |  | — |  |  | — |  |  | 424 |  |  | (4 | ) |  | 420 |
GM Financial net sales and revenue | — |  |  | — |  |  | — |  |  | — |  |  | 14,016 |  |  | (12 | ) |  | 14,004 |
Net sales and revenue | $ | 113,792 |  |  | $ | 19,148 |  |  | $ | 203 |  |  | $ | 133,143 |  |  | $ | 14,016 |  |  | $ | (110 | ) |  | $ | 147,049 |
Revenue is measured as the amount of consideration we expect to receive in exchange for transferring goods or providing services. Adjustments to sales incentives for previously recognized sales were insignificant during the year ended December 31, 2018. Contract liabilities in our Automotive segments consist primarily of maintenance, extended warranty and other service contracts. We recognized revenue of $1.4 billion related to contract liabilities during the year ended December 31, 2018. We expect to recognize revenue of $1.5 billion, $509 million and $626 million in the years ending December 31, 2019, 2020 and thereafter related to contract liabilities as of December 31, 2018.

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- Definition The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -URI http://asc.fasb.org/topic&trid=49130388 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -URI http://asc.fasb.org/topic&trid=2122369 + Details
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