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Revenue
 3 Months Ended
Mar. 31, 2021
Revenue from Contract with Customer [Abstract]  
Revenue Revenue
The following table disaggregates our revenue by major source:
Three Months Ended March 31, 2021
GMNAGMICorporateTotal AutomotiveCruiseGM FinancialEliminations/ReclassificationsTotal
Vehicle, parts and accessories$24,920 $2,801 $— $27,721 $— $— $— $27,721 
Used vehicles228 13 — 241 — — — 241 
Services and other809 272 19 1,100 30 — (25)1,105 
Automotive net sales and revenue25,957 3,086 19 29,062 30 — (25)29,067 
Leased vehicle income— — — — — 2,321 — 2,321 
Finance charge income— — — — — 1,016 — 1,016 
Other income— — — — — 70 — 70 
GM Financial net sales and revenue— — — — — 3,407 — 3,407 
Net sales and revenue$25,957 $3,086 $19 $29,062 $30 $3,407 $(25)$32,474 
Three Months Ended March 31, 2020
GMNAGMICorporateTotal AutomotiveCruiseGM FinancialEliminations/ ReclassificationsTotal
Vehicle, parts and accessories$24,576 $2,998 $— $27,574 $— $— $— $27,574 
Used vehicles376 25 2 403 — — — 403 
Services and other879 257 36 1,172 25 — (24)1,173 
Automotive net sales and revenue25,831 3,280 38 29,149 25 — (24)29,150 
Leased vehicle income— — — — — 2,463 — 2,463 
Finance charge income— — — — — 1,006 (1)1,005 
Other income— — — — — 92 (1)91 
GM Financial net sales and revenue— — — — — 3,561 (2)3,559 
Net sales and revenue$25,831 $3,280 $38 $29,149 $25 $3,561 $(26)$32,709 



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 increased revenue by an insignificant amount in the three months ended March 31, 2021 and 2020.
Contract liabilities in our Automotive segments primarily consist of maintenance, extended warranty and other service contracts of $2.4 billion at March 31, 2021 and December 31, 2020, which are included in Accrued liabilities and Other liabilities. We recognized revenue of $395 million and $386 million related to contract liabilities in the three months ended March 31, 2021 and 2020. We expect to recognize revenue of $969 million in the nine months ending December 31, 2021 and $598 million, $382 million and $499 million in the years ending December 31, 2022, 2023 and thereafter related to contract liabilities at March 31, 2021.