Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Narrative (Details)

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Commitments and Contingencies - Narrative (Details)
$ in Millions
 12 Months Ended
Dec. 31, 2018
USD ($)
tbtu
item
Dec. 31, 2017
tbtu
Commitments and Contingencies [Line Items]    
Amount of Restricted Net Assets for Consolidated and Unconsolidated Subsidiaries $ 2,500  
Loss Contingency, Pending Claims, Number | item 0  
SPL [Member]    
Commitments and Contingencies [Line Items]    
Energy Units Secured Through Natural Gas Supply Contracts | tbtu 3,464 2,214
Bechtel EPC Contracts [Member] | SPL [Member]    
Commitments and Contingencies [Line Items]    
Contract termination convenience penalty $ 30  
EPC Contract, Train 5 [Member] | SPL [Member]    
Commitments and Contingencies [Line Items]    
Long-term Purchase Commitment, Amount 3,100  
EPC Contract, Train 6 [Member] | SPL [Member]    
Commitments and Contingencies [Line Items]    
Long-term Purchase Commitment, Amount $ 2,500  
Natural Gas Supply Agreement [Member] | SPL [Member] | Maximum [Member]    
Commitments and Contingencies [Line Items]    
Long-term Purchase Commitment, Period 6 years  
Transportation Agreement [Member] | SPL [Member] | Maximum [Member]    
Commitments and Contingencies [Line Items]    
Long-term Purchase Commitment, Period 20 years  
Storage Service Agreement [Member] | SPL [Member] | Maximum [Member]    
Commitments and Contingencies [Line Items]    
Long-term Purchase Commitment, Period 10 years