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Significant accounting policies (Tables)
12 Months Ended
Dec. 31, 2019
Significant accounting policies [Abstract]  
Estimated Economic Life of Property Plant and Equipment
The Company depreciates property, plant and equipment using the straight-line depreciation method over the estimated economic life of the asset or lease term, whichever is shorter using the following useful lives:

  
Useful life (Yrs)
 
LNG liquefaction facilities
  
20-30
 
Gas terminals
  
5-45
 
Gas pipelines
  
4-45
 
ISO containers and other equipment
  
3-40
 
Leasehold improvements
  
5-27