Unprotected excess deferred income tax resulting from the TCJA

No definition available.

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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

No definition available.

+ Details

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- Definition

Percentage of public utility's requested debt to capital, including debt and equity.

+ References

No definition available.

+ Details

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- Definition

Percentage of public utility's requested equity to capital, including debt and equity.

+ References

No definition available.

+ Details

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- Definition

Amount of public utility's requested rate increase (decrease) with regulatory agency.

+ References

No definition available.

+ Details

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- Definition

Percentage of public utility's requested return on equity.

+ References

No definition available.

+ Details

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- Definition

Carrying amount as of the balance sheet date of capitalized costs of regulated entities that are not expected to be recovered through revenue sources within one year or the normal operating cycle if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 980
-SubTopic 340
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6499975&loc=d3e44250-110382

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Regulatory Matters Houston Electric Base Rate Case (Details) - USD ($) $ in Millions	Jan. 23, 2020	Apr. 05, 2019	Dec. 31, 2020	Dec. 31, 2019
Public Utilities, General Disclosures [Line Items]
Non-current regulatory assets			$ 2,094	$ 2,117
Houston Electric [Member]
Public Utilities, General Disclosures [Line Items]
Non-current regulatory assets			$ 848	915
CenterPoint Energy Houston Electric 2019 Rate Case [Member]
Public Utilities, General Disclosures [Line Items]
Revenue increase		$ 194
Houston electric stipulation and settlement agreement [Member]
Public Utilities, General Disclosures [Line Items]
Revenue increase	$ 13
Return on equity	9.40%
Debt capital structure	57.50%
Equity capital structure	42.50%
Unprotected excess deferred income tax	$ 105
Houston electric stipulation and settlement agreement [Member] \| Houston Electric [Member]
Public Utilities, General Disclosures [Line Items]
Revenue increase	$ 13
Rate case expense [Member] \| Houston electric stipulation and settlement agreement [Member]
Public Utilities, General Disclosures [Line Items]
Non-current regulatory assets				$ 12