Rendering

Component: (Network and Table)
Network
2410402 - Disclosure - Inventories (Details)
(http://www.gm.com/role/InventoriesDetails)
TableInventory, Current [Table]
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0001467858 (http://www.sec.gov/CIK)
Inventory [Line Items]Period [Axis]
2016-12-31
2015-12-31
Segments [Axis]Segments [Axis]
GMNA [Member]GME [Member]GMIO [Member]GMSA [Member]Segments [Domain]GMNA [Member]GME [Member]GMIO [Member]GMSA [Member]Segments [Domain]
Total productive material, supplies and work in process
3,226,000,000  
684,000,000  
974,000,000  
759,000,000  
5,643,000,000  
2,705,000,000  
713,000,000  
1,113,000,000  
616,000,000  
5,147,000,000  
Finished product, including service parts
4,108,000,000  
2,229,000,000  
1,107,000,000  
701,000,000  
8,145,000,000  
4,884,000,000  
2,166,000,000  
954,000,000  
613,000,000  
8,617,000,000  
Total inventories
7,334,000,000  
 
2,913,000,000  
 
2,081,000,000  
 
1,460,000,000  
 
13,788,000,000  
 
7,589,000,000  
 
2,879,000,000  
 
2,067,000,000  
 
1,229,000,000  
 
13,764,000,000