XML 75 R45.htm IDEA: XBRL DOCUMENT
v3.23.1

Inventory (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2022
Inventory Disclosure [Abstract] |
Inventory Balance By Type | The following table summarizes the Company's inventory balances as of the dates indicated (in millions):
December 31, |  | 2022 |  | 2021
Fuel and other raw materials |  | $ | 733 |  |  | $ | 366 |
Spare parts and supplies |  | 322 |  |  | 238 |
Total |  | $ | 1,055 |  |  | $ | 604 |

X
- References No definition available. + Details
Name: | us-gaap_InventoryDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | us-gaap_ScheduleOfInventoryNoncurrentTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration