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Inventory (Tables)
12 Months Ended
Dec. 31, 2020
Inventory Disclosure [Abstract]  
Schedule of Inventory
As of December 31, 2020 and 2019, inventory consisted of the following (in millions):
December 31,
20202019
Natural gas$26 $16 
LNG27 67 
LNG in-transit88 93 
Materials and other151 136 
Total inventory$292 $312