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Inventory (Tables)
9 Months Ended
Sep. 30, 2021
Inventory Disclosure [Abstract]  
Schedule of Inventory
As of September 30, 2021 and December 31, 2020, inventory consisted of the following (in millions):
September 30,December 31,
20212020
Materials$168 $150 
LNG in-transit145 88 
LNG125 27 
Natural gas31 26 
Other
Total inventory$471 $292