Reportable Segments (Tables)

3 Months Ended

Mar. 31, 2022

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

Financial data for reportable segments is as follows, including Corporate and Other and Discontinued Operations for reconciliation purposes:

CenterPoint Energy

	Three Months Ended March 31,
	2022					2021
	Revenues from External Customers			Net Income		Revenues from External Customers			Net Income (Loss)
	(in millions)
Electric	$	893	(1)	$	82	$	830	(1)	$	75
Natural Gas	1,824			398		1,663			229
Corporate and Other	46			51		54			(24)
Continuing Operations	$	2,763		531		$	2,547		280
Discontinued Operations, net				—					83
Consolidated				$	531				$	363

	Total Assets
	March 31, 2022		December 31, 2021
	(in millions)
Electric	$	17,258	$	16,547
Natural Gas	16,306		16,267
Corporate and Other, net of eliminations (1)	1,638		2,527
Continuing Operations	35,202		35,341
Assets Held for Sale	—		2,338
Consolidated	$	35,202	$	37,679

(1)Total assets included pension and other postemployment-related regulatory assets of $423 million and $427 million as of March 31, 2022 and December 31, 2021, 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,
		2022		2021
	(in millions)
Affiliates of NRG		$	225	$	195
Affiliates of Vistra Energy Corp.		105		88