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Inventories (Tables)
 9 Months Ended
Sep. 30, 2021
Inventory Disclosure [Abstract]  
Schedule of Inventory, Current
Inventories consisted of the following:
September 30
2021		December 31
2020
Long-term contracts in progress$578 $823 
Commercial aircraft programs71,092 70,153 
Commercial spare parts, used aircraft, general stock materials and other
10,227 10,739 
Total$81,897 $81,715