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Reportable Segments (Tables)

3 Months Ended

Mar. 31, 2023

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

Financial data for reportable segments is as follows:

CenterPoint Energy

			Three Months Ended March 31,
			2023												2022
			Revenues from External Customers												Net Income (Loss)						Revenues from External Customers												Net Income
			(in millions)
Electric			$	952		(1)									$	123					$	893		(1)									$	82
Natural Gas			1,775												234						1,824												398
Corporate and Other			52												(32)						46												51
Consolidated			$	2,779											325						$	2,763											531

			Total Assets
			March 31, 2023						December 31, 2022
			(in millions)
Electric			$	19,858					$	19,024
Natural Gas			16,407						18,043
Corporate and Other, net of eliminations (1)			1,487						1,479
Consolidated			37,752						38,546

(1)Total assets included pension and other postemployment-related regulatory assets of $391 million and $405 million as of March 31, 2023 and December 31, 2022, respectively.

Schedule of Revenue by Major Customers by Reporting Segments

Houston Electric revenues from major external customers are as follows (CenterPoint Energy and Houston Electric):

												Three Months Ended March 31,
																		2023						2022
															(in millions)
Affiliates of NRG																		$	227					$	225
Affiliates of Vistra Energy Corp.																		114						105

X

- Definition

Tabular disclosure of the extent of the entity's reliance on its major customers, if revenues from transactions with a single external customer amount to 10 percent or more of entity revenues, including the disclosure of that fact, the total amount of revenues from each such customer, and the identity of the reportable segment or segments reporting the revenues. The entity need not disclose the identity of a major customer or the amount of revenues that each segment reports from that customer. For these purposes, a group of companies known to the entity to be under common control is considered a single customer, and the federal government, a state government, a local government such as a county or municipality, or a foreign government is each considered a single customer.

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- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
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-Section 50
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