Reportable Segments (Tables)

9 Months Ended

Sep. 30, 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 September 30,
	2022					2021
	Revenues from External Customers			Net Income (Loss)		Revenues from External Customers			Net Income (Loss)
	(in millions)
Electric	$	1,146	(1)	$	234	$	1,056	(1)	$	185
Natural Gas	692			(10)		619			5
Corporate and Other	65			(22)		74			(40)
Continuing Operations	$	1,903		202		$	1,749		150
Discontinued Operations, net				—					68
Consolidated				$	202				$	218
	Nine Months Ended September 30,
	2022					2021
	Revenues from External Customers			Net Income		Revenues from External Customers			Net Income (Loss)
	(in millions)
Electric	$	3,092	(1)	$	489	$	2,823	(1)	$	385
Natural Gas	3,334			416		3,022			308
Corporate and Other	184			18		193			(63)
Continuing Operations	$	6,610		923		$	6,038		630
Discontinued Operations, net				—					202
Consolidated				$	923				$	832

	Total Assets
	September 30, 2022		December 31, 2021
	(in millions)
Electric	$	18,524	$	16,548
Natural Gas	16,796		16,270
Corporate and Other, net of eliminations (1)	1,399		2,523
Continuing Operations	36,719		35,341
Assets Held for Sale	—		2,338
Consolidated	$	36,719	$	37,679

(1)Total assets included pension and other postemployment-related regulatory assets of $424 million and $427 million as of September 30, 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 September 30,				Nine Months Ended September 30,
	2022		2021		2022		2021
	(in millions)
Affiliates of NRG	$	327	$	285	$	797	$	672
Affiliates of Vistra Energy Corp.	153		128		372		303