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Inventory
9 Months Ended
Sep. 30, 2018
Inventory Disclosure [Abstract]  
Inventory
INVENTORY

As of September 30, 2018 and December 31, 2017, inventory consisted of the following (in millions):
 
 
September 30,
 
December 31,
 
 
2018
 
2017
Natural gas
 
$
9

 
$
17

LNG
 
21

 
26

Materials and other
 
58

 
52

Total inventory
 
$
88

 
$
95