XML 86 R11.htm IDEA: XBRL DOCUMENT
v3.19.3

Net Completed Plant | 12 Months Ended
--- | ---
Sep. 30, 2019
Property, Plant and Equipment, Net, by Type [Abstract] |
Net Completed Plant | 5. Net Completed Plant Net completed plant consisted of the following:
Net Completed Plant At September 30
| 2019 |  | 2018
| Cost |  | Accumulated Depreciation |  | Net |  | Cost |  | Accumulated Depreciation |  | Net
Coal-fired(1) | $ | 17,400 |  |  | $ | 12,538 |  |  | $ | 4,862 |  |  | $ | 16,482 |  |  | $ | 11,033 |  |  | $ | 5,449 |
Gas and oil-fired | 6,054 |  |  | 1,562 |  |  | 4,492 |  |  | 5,990 |  |  | 1,459 |  |  | 4,531 |
Nuclear | 25,543 |  |  | 11,656 |  |  | 13,887 |  |  | 25,227 |  |  | 11,310 |  |  | 13,917 |
Transmission | 7,932 |  |  | 3,083 |  |  | 4,849 |  |  | 7,515 |  |  | 3,038 |  |  | 4,477 |
Hydroelectric | 3,163 |  |  | 1,051 |  |  | 2,112 |  |  | 3,087 |  |  | 1,012 |  |  | 2,075 |
Other electrical plant | 1,920 |  |  | 1,110 |  |  | 810 |  |  | 1,881 |  |  | 1,107 |  |  | 774 |
Intangible software | 3 |  |  | 1 |  |  | 2 |  |  | 3 |  |  | — |  |  | 3 |
Multipurpose dams | 900 |  |  | 373 |  |  | 527 |  |  | 900 |  |  | 367 |  |  | 533 |
Other stewardship | 29 |  |  | 10 |  |  | 19 |  |  | 29 |  |  | 9 |  |  | 20 |
Total | $ | 62,944 |  |  | $ | 31,384 |  |  | $ | 31,560 |  |  | $ | 61,114 |  |  | $ | 29,335 |  |  | $ | 31,779 |
Note (1) TVA recognized accelerated depreciation as a result of the decision to idle or retire certain units. See Note 6 — Plant Closures.

X
- Definition The entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI http://asc.fasb.org/topic&trid=2155823 + Details
Name: | us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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