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Net Completed Plant

12 Months Ended

Sep. 30, 2021

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
			2021																		2020
			Cost						Accumulated Depreciation						Net						Cost						Accumulated Depreciation						Net
Coal-fired(1)(2)			$	19,319					$	14,357					$	4,962					$	18,613					$	13,944					$	4,669
Gas and oil-fired			6,076						1,824						4,252						6,010						1,696						4,314
Nuclear			26,024						12,632						13,392						25,741						12,141						13,600
Transmission			8,597						3,215						5,382						8,283						3,140						5,143
Hydroelectric			3,525						1,135						2,390						3,410						1,090						2,320
Other electrical plant			1,940						1,101						839						1,981						1,146						835
Intangible software			3						2						1						3						2						1
Multipurpose dams			900						388						512						900						381						519
Other stewardship			27						9						18						29						10						19
Total			$	66,411					$	34,663					$	31,748					$	64,970					$	33,550					$	31,420

Notes

(1) TVA recognized accelerated depreciation as a result of the decision to idle or retire certain units. See Note 7 — Plant Closures.

(2) In 2020, TVA recorded approximately $1.1 billion in upward revisions to asset retirement costs for coal-fired assets. See Note 13 — 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

No definition available.

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