Property, Plant and Equipment - Narrative (Details) - USD ($) $ in Millions  | 
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2018  | 
Dec. 31, 2017  | 
Dec. 31, 2016  | 
|
| Property, Plant and Equipment [Abstract] | |||
| Depreciation expense | $ 445 | $ 354 | $ 173 | 
| Offsets to LNG terminal costs | $ 140 | $ 320 | $ 214 | 
| X | ||||||||||
- Definition Property, Plant And Equipment, Reduction For Testing Costs Recovered No definition available. 
  | 
| X | ||||||||||
- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
  | 
| X | ||||||||||
- References No definition available. 
  |