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Net Completed Plant

12 Months Ended

Sep. 30, 2020

Property, Plant and Equipment, Net, by Type [Abstract]

Property, Plant, and Equipment and Intangible Assets

Net Completed Plant

Net completed plant consisted of the following:

Net Completed Plant At September 30
			2020																		2019
			Cost						Accumulated Depreciation						Net						Cost						Accumulated Depreciation						Net
Coal-fired(1)(2)			$	18,613					$	13,944					$	4,669					$	17,400					$	12,538					$	4,862
Gas and oil-fired			6,010						1,696						4,314						6,054						1,562						4,492
Nuclear			25,741						12,141						13,600						25,543						11,656						13,887
Transmission			8,283						3,140						5,143						7,932						3,083						4,849
Hydroelectric			3,410						1,090						2,320						3,163						1,051						2,112
Other electrical plant			1,981						1,146						835						1,920						1,110						810
Intangible software			3						2						1						3						1						2
Multipurpose dams			900						381						519						900						373						527
Other stewardship			29						10						19						29						10						19
Total			$	64,970					$	33,550					$	31,420					$	62,944					$	31,384					$	31,560

Notes

(1) TVA recognized accelerated depreciation as a result of the decision to idle or retire certain units. See Note 6 — Plant Closures.

(2) In 2020, TVA recorded approximately $1.1 billion in upward revisions to asset retirement costs for coal-fired assets. See Note 12 — Asset Retirement Obligations.

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- Definition

The entire disclosure for intangible assets and 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 350
-URI http://asc.fasb.org/topic&trid=2144416

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-URI http://asc.fasb.org/topic&trid=2155823

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- References

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