Accounts and Other Receivables, Net of Current Expected Credit Losses (Details) - USD ($) $ in Millions	Jun. 30, 2021	Dec. 31, 2020
Accounts and Other Receivables [Line Items]
Other accounts receivable, net of current expected credit losses	$ 85	$ 52
Total accounts and other receivables, net of current expected credit losses	613	647
SPL and CCL
Accounts and Other Receivables [Line Items]
Trade receivables	405	482
Cheniere Marketing
Accounts and Other Receivables [Line Items]
Trade receivables	$ 123	$ 113