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Inventory (Tables) | 6 Months Ended
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Jun. 30, 2022
Inventory Disclosure [Abstract] |
Inventory Balance By Type | The following table summarizes the Company’s inventory balances as of the periods indicated (in millions):
| June 30, 2022 |  | December 31, 2021
Fuel and other raw materials | $ | 573 |  |  | $ | 366 |
Spare parts and supplies | 298 |  |  | 238 |
Total | $ | 871 |  |  | $ | 604 |

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- Definition Tabular disclosure of inventories not expected to be converted to cash, sold or exchanged within the normal operating cycle including inventoried costs relating to long-term contracts or programs. + References No definition available. + Details
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