Quarterly report pursuant to Section 13 or 15(d)

Related Party Transactions - LNG Terminal Capacity Agreements (Details)

v3.21.1
Related Party Transactions - LNG Terminal Capacity Agreements (Details)
3 Months Ended
Mar. 31, 2021
USD ($)
Cargo
Dec. 31, 2020
USD ($)
Related Party Transaction [Line Items]    
Accounts receivable—affiliate $ 98,000,000 $ 184,000,000
SPL [Member] | Affiliated Entity [Member] | Facility Swap Agreement [Member]    
Related Party Transaction [Line Items]    
LNG Volume, Purchase Price Percentage of Henry Hub 115.00%  
SPL [Member] | Cheniere Marketing [Member] | Cheniere Marketing SPA [Member]    
Related Party Transaction [Line Items]    
LNG Volume, Purchase Price Percentage of Henry Hub 115.00%  
LNG Volume, Purchase Price Per MMBtu $ 3.00  
SPL [Member] | Cheniere Marketing [Member] | 2021 - 2026 Letter Agreement    
Related Party Transaction [Line Items]    
LNG Volume, Purchase Price Percentage of Henry Hub 115.00%  
LNG Volume, Purchase Price Per MMBtu $ 1.72  
SPL [Member] | Cheniere Marketing [Member] | 2021 - 2026 Letter Agreement | Maximum [Member]    
Related Party Transaction [Line Items]    
Contract Cargoes | Cargo 31  
SPL [Member] | Cheniere Marketing [Member] | 2021 Letter Agreement [Member]    
Related Party Transaction [Line Items]    
LNG Volume, Purchase Price Percentage of Henry Hub 115.00%  
LNG Volume, Purchase Price Per MMBtu $ 0.728  
SPL [Member] | Cheniere Marketing [Member] | 2021 Letter Agreement [Member] | Maximum [Member]    
Related Party Transaction [Line Items]    
Contract Cargoes | Cargo 30  
SPL [Member] | Cheniere Marketing [Member] | 2020 Letter Agreement    
Related Party Transaction [Line Items]    
LNG Volume, Purchase Price Percentage of Henry Hub 115.00%  
LNG Volume, Purchase Price Per MMBtu $ 1.67  
SPL [Member] | Cheniere Marketing [Member] | 2020 Letter Agreement | Maximum [Member]    
Related Party Transaction [Line Items]    
Contract Cargoes | Cargo 43