Annual report pursuant to Section 13 and 15(d)

Debt - Schedule of Debt Instruments (Details)

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Debt - Schedule of Debt Instruments (Details) - USD ($)
Dec. 31, 2019
Dec. 31, 2018
Dec. 01, 2018
Debt Instrument [Line Items]      
Unamortized premium, discount and debt issuance costs, net $ (692,000,000) $ (775,000,000)  
Long-Term Debt, Net 30,774,000,000 28,179,000,000  
Current Debt, Net 0 239,000,000  
Total Debt, Net 30,774,000,000 28,418,000,000  
2021 SPL Senior Notes [Member]      
Debt Instrument [Line Items]      
Long-term Debt, Gross $ 2,000,000,000 2,000,000,000  
Debt Instrument, Interest Rate, Stated Percentage 5.625%    
2022 SPL Senior Notes [Member]      
Debt Instrument [Line Items]      
Long-term Debt, Gross $ 1,000,000,000 1,000,000,000  
Debt Instrument, Interest Rate, Stated Percentage 6.25%    
2023 SPL Senior Notes [Member]      
Debt Instrument [Line Items]      
Long-term Debt, Gross $ 1,500,000,000 1,500,000,000  
Debt Instrument, Interest Rate, Stated Percentage 5.625%    
2024 SPL Senior Notes [Member]      
Debt Instrument [Line Items]      
Long-term Debt, Gross $ 2,000,000,000 2,000,000,000  
Debt Instrument, Interest Rate, Stated Percentage 5.75%    
2025 SPL Senior Notes [Member]      
Debt Instrument [Line Items]      
Long-term Debt, Gross $ 2,000,000,000 2,000,000,000  
Debt Instrument, Interest Rate, Stated Percentage 5.625%    
2026 SPL Senior Notes [Member]      
Debt Instrument [Line Items]      
Long-term Debt, Gross $ 1,500,000,000 1,500,000,000  
Debt Instrument, Interest Rate, Stated Percentage 5.875%    
2027 SPL Senior Notes [Member]      
Debt Instrument [Line Items]      
Long-term Debt, Gross $ 1,500,000,000 1,500,000,000  
Debt Instrument, Interest Rate, Stated Percentage 5.00%    
2028 SPL Senior Notes [Member]      
Debt Instrument [Line Items]      
Long-term Debt, Gross $ 1,350,000,000 1,350,000,000  
Debt Instrument, Interest Rate, Stated Percentage 4.20%    
2037 SPL Senior Notes [Member]      
Debt Instrument [Line Items]      
Long-term Debt, Gross $ 800,000,000 800,000,000  
Debt Instrument, Interest Rate, Stated Percentage 5.00%    
2025 CQP Senior Notes [Member]      
Debt Instrument [Line Items]      
Long-term Debt, Gross $ 1,500,000,000 1,500,000,000  
Debt Instrument, Interest Rate, Stated Percentage 5.25%    
2026 CQP Senior Notes [Member]      
Debt Instrument [Line Items]      
Long-term Debt, Gross $ 1,100,000,000 1,100,000,000  
Debt Instrument, Interest Rate, Stated Percentage 5.625%    
2029 CQP Senior Notes [Member]      
Debt Instrument [Line Items]      
Long-term Debt, Gross $ 1,500,000,000 0  
Debt Instrument, Interest Rate, Stated Percentage 4.50%    
2016 CQP Credit Facilities [Member]      
Debt Instrument [Line Items]      
Long-term Debt, Gross $ 0 0  
Line of Credit Facility, Maximum Borrowing Capacity 2,800,000,000.0    
2019 CQP Credit Facilities [Member]      
Debt Instrument [Line Items]      
Long-term Debt, Gross 0 0  
Line of Credit Facility, Maximum Borrowing Capacity 1,500,000,000.0    
2024 CCH Senior Notes [Member]      
Debt Instrument [Line Items]      
Long-term Debt, Gross $ 1,250,000,000 1,250,000,000  
Debt Instrument, Interest Rate, Stated Percentage 7.00%    
2025 CCH Senior Notes [Member]      
Debt Instrument [Line Items]      
Long-term Debt, Gross $ 1,500,000,000 1,500,000,000  
Debt Instrument, Interest Rate, Stated Percentage 5.875%    
2027 CCH Senior Notes [Member]      
Debt Instrument [Line Items]      
Long-term Debt, Gross $ 1,500,000,000 1,500,000,000  
Debt Instrument, Interest Rate, Stated Percentage 5.125%    
4.80% CCH Senior Notes [Member]      
Debt Instrument [Line Items]      
Long-term Debt, Gross $ 727,000,000 0  
Debt Instrument, Interest Rate, Stated Percentage 4.80%    
3.925% CCH Senior Notes [Member]      
Debt Instrument [Line Items]      
Long-term Debt, Gross $ 475,000,000 0  
Debt Instrument, Interest Rate, Stated Percentage 3.925%    
2029 CCH Senior Notes [Member]      
Debt Instrument [Line Items]      
Long-term Debt, Gross $ 1,500,000,000 0  
Debt Instrument, Interest Rate, Stated Percentage 3.70%    
CCH Credit Facility [Member]      
Debt Instrument [Line Items]      
Long-term Debt, Gross $ 3,283,000,000 5,156,000,000  
2025 CCH Holdco II Convertible Senior Notes [Member]      
Debt Instrument [Line Items]      
Long-term Debt, Gross $ 1,578,000,000 1,455,000,000  
Debt Instrument, Interest Rate, Stated Percentage 11.00%    
2021 Cheniere Convertible Unsecured Notes [Member]      
Debt Instrument [Line Items]      
Long-term Debt, Gross $ 1,278,000,000 1,218,000,000  
Debt Instrument, Interest Rate, Stated Percentage 4.875%    
2045 Cheniere Convertible Senior Notes [Member]      
Debt Instrument [Line Items]      
Long-term Debt, Gross $ 625,000,000 625,000,000  
Debt Instrument, Interest Rate, Stated Percentage 4.25%    
Cheniere Revolving Credit Facility [Member]      
Debt Instrument [Line Items]      
Long-term Debt, Gross $ 0 0  
Line of Credit Facility, Maximum Borrowing Capacity 1,250,000,000 1,250,000,000 $ 750,000,000
SPL Working Capital Facility [Member]      
Debt Instrument [Line Items]      
Current Debt, Net 0 0  
Line of Credit Facility, Maximum Borrowing Capacity 1,200,000,000.0    
CCH Working Capital Facility [Member]      
Debt Instrument [Line Items]      
Current Debt, Net 0 168,000,000  
Line of Credit Facility, Maximum Borrowing Capacity 1,200,000,000.0    
Cheniere Marketing Trade Finance Facilities [Member]      
Debt Instrument [Line Items]      
Current Debt, Net $ 0 $ 71,000,000