Revenues from Contracts with Customers - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|
Jun. 30, 2020 |
Jun. 30, 2019 |
Jun. 30, 2020 |
Jun. 30, 2019 |
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| Disaggregation of Revenue [Line Items] | ||||||||
| Revenues from contracts with customers | $ 1,474 | $ 1,705 | $ 3,192 | $ 3,453 | ||||
| Net derivative gains (losses) | [1] | (4) | 0 | (4) | 1 | |||
| Total revenues | 1,470 | 1,705 | 3,188 | 3,454 | ||||
| LNG [Member] | ||||||||
| Disaggregation of Revenue [Line Items] | ||||||||
| Revenues from contracts with customers | [2] | 1,336 | 1,171 | 2,785 | 2,537 | |||
| Total revenues | 1,332 | 1,171 | 2,781 | 2,538 | ||||
| Suspension Fees and LNG Cover Damages Revenue [Member] | ||||||||
| Disaggregation of Revenue [Line Items] | ||||||||
| Revenues from contracts with customers | 388 | 404 | ||||||
| Suspension Fees and LNG Cover Damages Revenue [Member] | Subsequent Period [Member] | ||||||||
| Disaggregation of Revenue [Line Items] | ||||||||
| Revenues from contracts with customers | 244 | 244 | ||||||
| Suspension Fees and LNG Cover Damages Revenue [Member] | Current Period [Member] | ||||||||
| Disaggregation of Revenue [Line Items] | ||||||||
| Accelerated Revenue From Contract With Customers, Recognized in Prior Period | 16 | |||||||
| LNG—affiliate [Member] | ||||||||
| Disaggregation of Revenue [Line Items] | ||||||||
| Revenues from contracts with customers | 61 | 455 | 249 | 760 | ||||
| Regasification [Member] | ||||||||
| Disaggregation of Revenue [Line Items] | ||||||||
| Revenues from contracts with customers | 68 | 67 | 135 | 133 | ||||
| Other [Member] | ||||||||
| Disaggregation of Revenue [Line Items] | ||||||||
| Revenues from contracts with customers | $ 9 | $ 12 | $ 23 | $ 23 | ||||
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