Reportable Segments (Tables)

3 Months Ended

Mar. 31, 2020

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment [Table Text Block]

Financial data for reportable segments is as follows:

CenterPoint Energy

	Three Months Ended March 31,
	2020
	Revenues from External Customers			Equity in Earnings of Unconsolidated Affiliates			Depreciation and Amortization		Interest Income				Interest Expense				Income Tax Expense (Benefit)			Net Income (Loss)
	(in millions)
Houston Electric T&D	$	638	(3)	$	—		$	129	$	1		(1)	$	(41	)	(2)	$	5		$	37
Indiana Electric Integrated	129			—			25		—				(6		)		3			(171		)
Natural Gas Distribution	1,318			—			111		1				(32		)		56			204
Midstream Investments	—			(1,475		)	—		—				(14		)		(361		)	(1,127		)
Corporate and Other	82			—			17		48				(96		)		(50		)	4
Eliminations	—			—			—		(50		)		50				—			—
Continuing Operations	$	2,167		$	(1,475	)	$	282	$	—			$	(139	)		$	(347	)	(1,053		)
Discontinued Operations, net																				(146		)
Consolidated																				$	(1,199	)
	Three Months Ended March 31,
	2019
	Revenues from External Customers			Equity in Earnings of Unconsolidated Affiliates			Depreciation and Amortization		Interest Income				Interest Expense				Income Tax Expense (Benefit)			Net Income (Loss)
	(in millions)
Houston Electric T&D	$	689	(3)	$	—		$	175	$	4		(1)	$	(40	)	(2)	$	6		$	30
Indiana Electric Integrated	83			—			16		—				(3		)		(2		)	(9		)
Natural Gas Distribution	1,415			—			95		1				(23		)		26			120
Midstream Investments	—			62			—		2				(12		)		28			24
Corporate and Other	42			—			14		46				(84		)		(44		)	(22		)
Eliminations	—			—			—		(41		)		41				—			—
Consolidated	$	2,229		$	62		$	300	$	12			$	(121	)		$	14		143
Discontinued Operations, net																				26
Consolidated																				$	169

(1) Excludes interest income from Securitization Bonds of $1 million and $2 million for the three months ended March 31, 2020 and 2019, respectively.

(2) Excludes interest expense on Securitization Bonds of $8 million and $12 million for the three months ended March 31, 2020 and 2019, respectively.

(3) CenterPoint Energy’s Houston Electric T&D’s revenues from major external customers are as follows:

	Three Months Ended March 31,
	2020		2019
	(in millions)
Affiliates of NRG	$	156	$	151
Affiliates of Vistra Energy Corp.	81		54

Houston Electric

Houston Electric consists of a single reportable segment; therefore, a tabular reportable segment presentation has not been

included.

Houston Electric’s T&D revenues from major external customers are as follows:

	Three Months Ended March 31,
	2020		2019
	(in millions)
Affiliates of NRG	$	156	$	151
Affiliates of Vistra Energy Corp.	81		54

CERC

	Three Months Ended March 31,
	2020
	Revenues from External Customers		Depreciation and Amortization		Interest Income			Interest Expense			Income Tax Expense (Benefit)			Net Income (Loss)
	(in millions)
Natural Gas Distribution	$	1,008	$	74	$	1		$	(21	)	$	44		$	134
Corporate and Other	3		—		21			(31		)	(9		)	(3		)
Eliminations	—		—		(22		)	22			—			—
Continuing Operations	$	1,011	$	74	$	—		$	(30	)	$	35		131
Discontinued Operations, net														(64		)
Consolidated														$	67
	Three Months Ended March 31,
	2019
	Revenues from External Customers		Depreciation and Amortization		Interest Income			Interest Expense			Income Tax Expense (Benefit)			Net Income (Loss)
	(in millions)
Natural Gas Distribution	$	1,211	$	73	$	1		$	(19	)	$	26		$	119
Corporate and Other	1		—		20			(31		)	(8		)	(9		)
Eliminations	—		—		(21		)	21			—			—
Continuing Operations	$	1,212	$	73	$	—		$	(29	)	$	18		110
Discontinued Operations, net														28
Consolidated														$	138

CenterPoint Energy and CERC

	Total Assets
	March 31, 2020					December 31, 2019
	CenterPoint  Energy		CERC			CenterPoint Energy		CERC
	(in millions)
Houston Electric T&D	$	10,870	$	—		$	11,264	$	—
Indiana Electric Integrated	3,015		—			3,168		—
Natural Gas Distribution	13,979		7,562			14,105		7,698
Midstream Investments	915		—			2,473		—
Corporate and Other, net of eliminations	2,969		(87		)	2,555		(90		)
Continuing Operations	31,748		7,475			33,565		7,608
Assets Held for Sale	1,647		675			1,964		904
Consolidated	$	33,395	$	8,150		$	35,529	$	8,512

Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block]

Houston Electric

Houston Electric consists of a single reportable segment; therefore, a tabular reportable segment presentation has not been

included.

Houston Electric’s T&D revenues from major external customers are as follows:

	Three Months Ended March 31,
	2020		2019
	(in millions)
Affiliates of NRG	$	156	$	151
Affiliates of Vistra Energy Corp.	81		54