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Revenue | 12 Months Ended
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Dec. 31, 2020
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, 2020
| GMNA |  | GMI |  | Corporate |  | Total Automotive |  | Cruise |  | GM Financial |  | Eliminations/ Reclassifications |  | Total
Vehicle, parts and accessories | $ | 92,749 |  |  | $ | 10,593 |  |  | $ | 1 |  |  | $ | 103,343 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 103,343 |
Used vehicles | 875 |  |  | 115 |  |  | 20 |  |  | 1,010 |  |  | — |  |  | — |  |  | — |  |  | 1,010 |
Services and other | 3,109 |  |  | 878 |  |  | 329 |  |  | 4,316 |  |  | 103 |  |  | — |  |  | (99) |  |  | 4,320 |
Automotive net sales and revenue | 96,733 |  |  | 11,586 |  |  | 350 |  |  | 108,669 |  |  | 103 |  |  | — |  |  | (99) |  |  | 108,673 |
Leased vehicle income | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 9,530 |  |  | — |  |  | 9,530 |
Finance charge income | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 3,996 |  |  | (1) |  |  | 3,995 |
Other income | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 305 |  |  | (18) |  |  | 287 |
GM Financial net sales and revenue | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 13,831 |  |  | (19) |  |  | 13,812 |
Net sales and revenue | $ | 96,733 |  |  | $ | 11,586 |  |  | $ | 350 |  |  | $ | 108,669 |  |  | $ | 103 |  |  | $ | 13,831 |  |  | $ | (118) |  |  | $ | 122,485 |
| Year Ended December 31, 2019
| GMNA |  | GMI |  | Corporate |  | Total Automotive |  | Cruise |  | GM Financial |  | Eliminations/ Reclassifications |  | Total
Vehicle, parts and accessories | $ | 101,346 |  |  | $ | 14,931 |  |  | $ | — |  |  | $ | 116,277 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 116,277 |
Used vehicles | 1,896 |  |  | 123 |  |  | — |  |  | 2,019 |  |  | — |  |  | — |  |  | — |  |  | 2,019 |
Services and other | 3,124 |  |  | 1,057 |  |  | 220 |  |  | 4,401 |  |  | 100 |  |  | — |  |  | (100) |  |  | 4,401 |
Automotive net sales and revenue | 106,366 |  |  | 16,111 |  |  | 220 |  |  | 122,697 |  |  | 100 |  |  | — |  |  | (100) |  |  | 122,697 |
Leased vehicle income | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 10,032 |  |  | — |  |  | 10,032 |
Finance charge income | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 4,071 |  |  | (7) |  |  | 4,064 |
Other income | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 451 |  |  | (7) |  |  | 444 |
GM Financial net sales and revenue | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 14,554 |  |  | (14) |  |  | 14,540 |
Net sales and revenue | $ | 106,366 |  |  | $ | 16,111 |  |  | $ | 220 |  |  | $ | 122,697 |  |  | $ | 100 |  |  | $ | 14,554 |  |  | $ | (114) |  |  | $ | 137,237 |
| 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 years ended December 31, 2020, 2019 and 2018. Contract liabilities in our Automotive segments primarily consist of maintenance, extended warranty and other service contracts of $2.4 billion and $2.2 billion at December 31, 2020 and 2019, which are included in Accrued liabilities and Other liabilities. We recognized revenue of $1.1 billion and $1.5 billion related to contract liabilities during the years ended December 31, 2020 and 2019. We expect to recognize revenue of $1.2 billion, $503 million and $759 million in the years ending December 31, 2021, 2022 and thereafter related to contract liabilities at December 31, 2020.

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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://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -URI http://asc.fasb.org/topic&trid=49130388 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130551-203045 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130556-203045 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130554-203045 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130550-203045 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130554-203045 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130554-203045 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130554-203045 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130558-203045 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130554-203045 + Details
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