v2.4.0.6
Document And Entity Information
3 Months Ended
Mar. 31, 2012
Apr. 27, 2012
Document Information [Line Items]    
Entity Registrant Name GENERAL MOTORS COMPANY  
Entity Central Index Key 0001467858  
Current Fiscal Year End Date --12-31  
Entity Filer Category Accelerated Filer  
Document Type 10-Q  
Document Period End Date Mar. 31, 2012  
Document Fiscal Year Focus 2012  
Document Fiscal Period Focus Q1  
Amendment Flag false  
Entity Common Stock, Shares Outstanding   1,565,855,125
Entity Well-known Seasoned Issuer Yes  
Entity Voluntary Filers No  
Entity Current Reporting Status Yes