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Inventories | 3 Months Ended
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Mar. 31, 2017
Inventory Disclosure [Abstract] |
Inventories | Inventories
| March 31, 2017
| GMNA |  | GME |  | GMIO |  | GMSA |  | Total
Total productive material, supplies and work in process | $ | 3,525 |  |  | $ | 704 |  |  | $ | 999 |  |  | $ | 786 |  |  | $ | 6,014 |
Finished product, including service parts | 4,073 |  |  | 2,625 |  |  | 1,231 |  |  | 743 |  |  | 8,672 |
Total inventories | $ | 7,598 |  |  | $ | 3,329 |  |  | $ | 2,230 |  |  | $ | 1,529 |  |  | $ | 14,686 |
| December 31, 2016
| GMNA |  | GME |  | GMIO |  | GMSA |  | Total
Total productive material, supplies and work in process | $ | 3,226 |  |  | $ | 684 |  |  | $ | 974 |  |  | $ | 759 |  |  | $ | 5,643 |
Finished product, including service parts | 4,108 |  |  | 2,229 |  |  | 1,107 |  |  | 701 |  |  | 8,145 |
Total inventories | $ | 7,334 |  |  | $ | 2,913 |  |  | $ | 2,081 |  |  | $ | 1,460 |  |  | $ | 13,788 |

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- Definition The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.6) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766 + Details
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