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SIGNIFICANT ACCOUNTING POLICIES (Tables)
12 Months Ended
Dec. 31, 2021
Accounting Policies [Abstract]  
Schedule of Estimated Useful Lives of Property Plant and Equipment Depreciation on Space Systems is calculated using the
straight-line
method over the estimated useful lives of assets.
Asset Category
  
Estimated Useful Lives
Buildings and improvements    15 to 30 years
Machinery, equipment, vehicles and office furniture    2 to 12 years
Computer equipment, hardware and software    3 to 5 years
Launch site assets    3 to 10 years
Leasehold improvements    Shorter of remaining lease term or estimated useful life