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Inventory (Tables)
6 Months Ended
Jun. 30, 2021
Inventory Disclosure [Abstract]  
Schedule of Inventory
As of June 30, 2021 and December 31, 2020, inventory consisted of the following (in millions):
June 30,December 31,
20212020
Materials$162 $150 
LNG in-transit102 88 
LNG61 27 
Natural gas36 26 
Other
Total inventory$363 $292