Rendering

Component: (Network and Table)
Network
2307301 - Disclosure - Inventory (Tables)
(http://www.nrgenergy.com/role/InventoryTables)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Inventory Disclosure [Abstract]Period [Axis]
2016-01-01 - 2016-12-31
Inventory Disclosure [Abstract]
 
Schedule of Inventory
Inventory consisted of:
 
As of December 31,
 
2016
 
2015
 
(In millions)
Fuel oil
$
289

 
$
312

Coal/Lignite
334

 
471

Natural gas
28

 
12

Spare parts
413

 
437

Other
47

 
20

Total Inventory
$
1,111


$
1,252