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Regulatory Assets and Liabilities (Tables)

6 Months Ended

Mar. 31, 2020

Revenue from External Customer [Line Items]

Revenue from External Customers by Products and Services [Table Text Block]

TVA's operating revenues by customer type for the three and six months ended March 31, 2020 and 2019 are detailed in the table below:

Operating Revenues by Customer Type (in millions)
	Three Months Ended March 31								Six Months Ended March 31
	2020				2019				2020				2019
Revenue from sales of electricity
Local power companies(1)	$	2,301			$	2,514			$	4,658			$	4,981
Industries directly served	160				168				310				353
Federal agencies and other	28				30				53				59
Revenue from sales of electricity	2,489				2,712				5,021				5,393
Other revenue	32				38				78				82
Total operating revenues	$	2,521			$	2,750			$	5,099			$	5,475

Regulatory Assets and Liabilities

Components of regulatory assets and regulatory liabilities are summarized in the table below:

Regulatory Assets and Liabilities(1)
	At March 31, 2020				At September 30, 2019
Current regulatory assets
Unrealized losses on interest rate derivatives	$	109			$	89
Unrealized losses on commodity derivatives	52				39
Fuel cost adjustment receivable	—				28
Total current regulatory assets	161				156
Non-current regulatory assets
Deferred pension costs and other post-retirement benefits costs	4,602				4,756
Non-nuclear decommissioning costs	1,859				1,741
Nuclear decommissioning costs	1,200				868
Unrealized losses on interest rate derivatives	1,615				1,241
Unrealized losses on commodity contracts	8				15
Other non-current regulatory assets	149				142
Total non-current regulatory assets	9,433				8,763
Total regulatory assets	$	9,594			$	8,919
Current regulatory liabilities
Fuel cost adjustment tax equivalents	$	131			$	138
Fuel cost adjustment	72				—
Unrealized gains on commodity derivatives	4				12
Total current regulatory liabilities	$	207			$	150

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- Definition

Tabular disclosure of assets and liabilities that are created when regulatory agencies permit public utilities to defer certain costs included in rate-setting to the balance sheet or that result from rate actions of a regulator. Rate actions of a regulator can impose a liability on a regulated enterprise resulting in a regulatory liability. Regulatory liabilities can result from obligations to make refunds to customers or deferral of gains that will be credited to customers in future periods

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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- Definition

Tabular disclosure of entity-wide revenues from external customers for each product or service or each group of similar products or services if the information is not provided as part of the reportable operating segment information.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 40
-URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e9031-108599

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