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Inventory (Tables)
3 Months Ended
Mar. 31, 2021
Inventory Disclosure [Abstract]  
Schedule of Inventory
As of March 31, 2021 and December 31, 2020, inventory consisted of the following (in millions):
March 31,December 31,
20212020
Materials$158 $150 
LNG in-transit94 88 
LNG42 27 
Natural gas18 26 
Other
Total inventory$314 $292