Annual report pursuant to Section 13 and 15(d)

Revenues from Contracts with Customers - Narrative (Details)

v3.19.3.a.u2
Revenues from Contracts with Customers - Narrative (Details)
$ in Millions
 12 Months Ended
Dec. 31, 2019
USD ($)
bcf / d
item
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Disaggregation of Revenue [Line Items]      
LNG Volume, Purchase Price Percentage of Henry Hub 115.00%    
Regasification Capacity | bcf / d 4    
Operating and maintenance expense | $ $ 632 $ 409 $ 292
TUA Customers [Member]      
Disaggregation of Revenue [Line Items]      
Regasification Capacity | bcf / d 2    
Each TUA Customer [Member]      
Disaggregation of Revenue [Line Items]      
Regasification Capacity | bcf / d 1    
Revenue, Performance Obligation, Fixed Consideration | $ $ 125    
Long-term Purchase Commitment, Period 20 years    
LNG [Member]      
Disaggregation of Revenue [Line Items]      
Revenue, Variable Consideration Received From Customers, Percentage 52.00% 57.00%  
Regasification [Member]      
Disaggregation of Revenue [Line Items]      
Number Of Fixed Price Contracts | item 2    
Revenue, Variable Consideration Received From Customers, Percentage 3.00% 3.00%  
Partial TUA Regasification Capacity [Member]      
Disaggregation of Revenue [Line Items]      
Operating and maintenance expense | $ $ 104 $ 30 $ 23