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Benefit Plans (Tables)

9 Months Ended

Jun. 30, 2023

Retirement Benefits [Abstract]

Components of TVA's Benefit Plans

The components of net periodic benefit cost and other amounts recognized as changes in regulatory assets for the three and nine months ended June 30, 2023 and 2022, were as follows:

Components of TVA's Benefit Plans(1) (in millions)
			For the Three Months Ended June 30																								For the Nine Months Ended June 30
			Pension Benefits												Other Post-Retirement Benefits												Pension Benefits												Other Post-Retirement Benefits
			2023						2022						2023						2022						2023						2022						2023						2022
Service cost			$	8					$	13					$	3					$	5					$	24					$	39					$	9					$	13
Interest cost			142						94						5						4						426						283						16						11
Expected return on plan assets			(123)						(108)						—						—						(369)						(326)						—						—
Amortization of prior service credit			(22)						(23)						(4)						(5)						(66)						(70)						(13)						(13)
Recognized net actuarial loss			34						97						—						2						101						294						—						5
Total net periodic benefit cost as actuarially determined			39						73						4						6						116						220						12						16
Amount expensed due to actions of regulator			19						3						—						—						58						10						—						—
Total net periodic benefit cost			$	58					$	76					$	4					$	6					$	174					$	230					$	12					$	16

Note

(1) The components of net benefit cost other than the service cost component are included in Other net periodic benefit cost on the Consolidated Statements of Operations.

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- References

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- Definition

Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 715
-SubTopic 20
-Subparagraph (h)
-Name Accounting Standards Codification
-Paragraph 1
-Section 50
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480506/715-20-50-1

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