XML 37 R12.htm IDEA: XBRL DOCUMENT
v3.22.2

Inventories, Net (Text Block) | 9 Months Ended
--- | ---
Jun. 30, 2022
Inventory, Net [Abstract] |
Inventories, Net | Inventories, Net The table below summarizes the types and amounts of TVA's inventories:
Inventories, Net (in millions)
| At June 30, 2022 |  | At September 30, 2021
Materials and supplies inventory | $ | 804 |  |  | $ | 775 |
Fuel inventory | 246 |  |  | 198 |
Renewable energy certificates/emissions allowance inventory, net | 18 |  |  | 12 |
Allowance for inventory obsolescence | (55) |  |  | (35) |
Inventories, net | $ | 1,013 |  |  | $ | 950 |

X
- Definition The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -URI https://asc.fasb.org/topic&trid=2126998 + Details
Name: | us-gaap_InventoryDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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