Debt - Credit Facilities Table (Details) $ in Millions		12 Months Ended
		Dec. 31, 2021 USD ($) unit Rate		Dec. 31, 2020 USD ($)
Line of Credit Facility [Line Items]
Outstanding balance		$ 17,332		$ 17,750
Debt, Minimum Historical Debt Service Coverage Ratio And Projected Debt Service Coverage Ratio | unit		1.25
Amount of Restricted Net Assets for Consolidated and Unconsolidated Subsidiaries		$ 1,600
2020 SPL Working Capital Facility [Member]
Line of Credit Facility [Line Items]
Original facility size	[1]	1,200
Outstanding balance		0	[1]	0
Commitments prepaid or terminated	[1]	0
Letters of credit issued	[1]	395
Available commitment	[1]	$ 805
Debt Instrument, Description of Variable Rate Basis		LIBOR or base rate
Line of Credit Facility, Commitment Fee Percentage		0.20%
Debt Instrument, Maturity Date		Mar. 19, 2025
2020 SPL Working Capital Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] | Minimum [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Basis Spread on Variable Rate | Rate		1.125%
2020 SPL Working Capital Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] | Maximum [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Basis Spread on Variable Rate | Rate		1.75%
2020 SPL Working Capital Facility [Member] | Base Rate [Member] | Minimum [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Basis Spread on Variable Rate | Rate		0.125%
2020 SPL Working Capital Facility [Member] | Base Rate [Member] | Maximum [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Basis Spread on Variable Rate | Rate		0.75%
2019 CQP Credit Facilities [Member]
Line of Credit Facility [Line Items]
Original facility size	[2]	$ 1,500
Outstanding balance		0	[2]	$ 0
Commitments prepaid or terminated	[2]	750
Letters of credit issued	[2]	0
Available commitment	[2]	$ 750
Debt Instrument, Description of Variable Rate Basis		LIBOR or base rate
Line of Credit Facility, Commitment Fee Percentage		0.49%
Debt Instrument, Maturity Date		May 29, 2024
2019 CQP Credit Facilities [Member] | London Interbank Offered Rate (LIBOR) [Member] | Minimum [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Basis Spread on Variable Rate | Rate		1.25%
2019 CQP Credit Facilities [Member] | London Interbank Offered Rate (LIBOR) [Member] | Maximum [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Basis Spread on Variable Rate | Rate		2.125%
2019 CQP Credit Facilities [Member] | Base Rate [Member] | Minimum [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Basis Spread on Variable Rate | Rate		0.25%
2019 CQP Credit Facilities [Member] | Base Rate [Member] | Maximum [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Basis Spread on Variable Rate | Rate		1.125%

[1] The obligations of SPL under the 2020 SPL Working Capital Facility are secured by substantially all of the assets of SPL as well as a pledge of all of the membership interests in SPL and certain future subsidiaries of SPL on a pari passu basis by a first priority lien with the SPL Senior Secured Notes.

[2] The rights and privileges of the 2019 CQP Credit Facilities are discussed above in CQP Senior Notes.