Quarterly report pursuant to Section 13 or 15(d)

Debt - Schedule of Debt Instruments (Details)

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Debt - Schedule of Debt Instruments (Details) - USD ($)
Jun. 30, 2018
Dec. 31, 2017
Debt Instrument [Line Items]    
Long-Term Debt, Net $ 26,782,000,000 $ 25,336,000,000
Unamortized premium, discount and debt issuance costs, net (791,000,000) (730,000,000)
Current Debt, Net 137,000,000 0
Total Debt, Net 26,919,000,000 25,336,000,000
2021 SPL Senior Notes [Member]    
Debt Instrument [Line Items]    
Long-Term Debt, Net $ 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, Net $ 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, Net $ 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, Net $ 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, Net $ 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, Net $ 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, Net $ 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, Net $ 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, Net $ 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, Net $ 1,500,000,000 1,500,000,000
Debt Instrument, Interest Rate, Stated Percentage 5.25%  
CQP Credit Facilities [Member]    
Debt Instrument [Line Items]    
Long-Term Debt, Net $ 1,090,000,000 1,090,000,000
2024 CCH Senior Notes [Member]    
Debt Instrument [Line Items]    
Long-Term Debt, Net $ 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, Net $ 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, Net $ 1,500,000,000 1,500,000,000
Debt Instrument, Interest Rate, Stated Percentage 5.125%  
CCH Credit Facility [Member]    
Debt Instrument [Line Items]    
Long-Term Debt, Net $ 3,891,000,000 2,485,000,000
2025 CCH Holdco II Convertible Senior Notes [Member]    
Debt Instrument [Line Items]    
Long-Term Debt, Net $ 1,378,000,000 1,305,000,000
Debt Instrument, Interest Rate, Stated Percentage 11.00%  
2021 Cheniere Convertible Unsecured Notes [Member]    
Debt Instrument [Line Items]    
Long-Term Debt, Net $ 1,189,000,000 1,161,000,000
Debt Instrument, Interest Rate, Stated Percentage 4.875%  
2045 Cheniere Convertible Senior Notes [Member]    
Debt Instrument [Line Items]    
Long-Term Debt, Net $ 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, Net $ 0 0
Line of Credit Facility, Maximum Borrowing Capacity 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 14,000,000 0
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 $ 123,000,000 $ 0