XML 62 R40.htm IDEA: XBRL DOCUMENT v3.10.0.1
Reportable Business Segments (Tables)
6 Months Ended
Jun. 30, 2018
Segment Reporting [Abstract]  
Schedule of Segment Reporting Information, by Segment [Table Text Block]
Reportable business segments by Registrant are as follows:
 
 
Electric Transmission & Distribution
 
Natural Gas Distribution
 
Energy
 Services
 
Midstream Investments
 
Other Operations
CenterPoint Energy
 
X
 
X
 
X
 
X
 
X
Houston Electric
 
X
 
 
 
 
 
 
 
 
CERC
 
 
 
X
 
X
 
X
 
X
Financial data for business segments is as follows:

CenterPoint Energy
 
Three Months Ended June 30,
 
2018
 
2017
 
Revenues from
External
Customers
 
Net
Intersegment
Revenues
 
Operating
Income
(Loss)
 
Revenues from
External
Customers
 
Net
Intersegment
Revenues
 
Operating
Income
 
(in millions)
Electric Transmission & Distribution
$
854

(1)
$

 
$
181

 
$
752

(1)
$

 
$
171

Natural Gas Distribution
487

 
8

 
7

 
470

 
7

 
42

Energy Services
841

 
19

 
15

 
918

 
13

 
16

Midstream Investments (2)

 

 

 

 

 

Other Operations
4

 

 
(16
)
 
3

 

 
11

Eliminations

 
(27
)
 

 

 
(20
)
 

Consolidated
$
2,186

 
$

 
$
187

 
$
2,143

 
$

 
$
240

 
Six Months Ended June 30,
 
2018
 
2017
 
Revenues from
External
Customers
 
Net
Intersegment
Revenues
 
Operating
Income
(Loss)
 
Revenues from
External
Customers
 
Net
Intersegment
Revenues
 
Operating
Income
 
(in millions)
Electric Transmission & Distribution
$
1,605

(1)
$

 
$
296

 
$
1,391

(1)
$

 
$
257

Natural Gas Distribution
1,630

 
18

 
163

 
1,377

 
16

 
210

Energy Services
2,098

 
47

 
(11
)
 
2,103

 
24

 
51

Midstream Investments (2)

 

 

 

 
 

 

Other Operations
8

 

 
(10
)
 
7

 

 
13

Eliminations

 
(65
)
 

 

 
(40
)
 

Consolidated
$
5,341

 
$

 
$
438

 
$
4,878

 
$

 
$
531



(1)
CenterPoint Energy’s and Houston Electric’s Electric Transmission & Distribution revenues from major customers are as follows:
 
 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
 
2018
 
2017
 
2018
 
2017
 
 
(in millions)
Affiliates of NRG
 
$
169

 
$
167

 
$
330

 
$
319

Affiliates of Vistra Energy Corp.
 
59

 
53

 
113

 
100



CERC
 
Three Months Ended June 30,
 
2018
 
2017
 
Revenues from
External
Customers
 
Net
Intersegment
Revenues
 
Operating
Income
 
Revenues from
External
Customers
 
Net
Intersegment
Revenues
 
Operating
Income
 
(in millions)
Natural Gas Distribution
$
487

 
$
8

 
$
7

 
$
470

 
$
7

 
$
42

Energy Services
841

 
19

 
15

 
918

 
13

 
16

Midstream Investments (2)

 

 

 

 

 

Other Operations

 

 

 
(1
)
 

 
1

Eliminations

 
(27
)
 

 

 
(20
)
 

Consolidated
$
1,328

 
$

 
$
22

 
$
1,387

 
$

 
$
59

 
Six Months Ended June 30,
 
2018
 
2017
 
Revenues from
External
Customers
 
Net
Intersegment
Revenues
 
Operating
Income
(Loss)
 
Revenues from
External
Customers
 
Net
Intersegment
Revenues
 
Operating
Income
 (Loss)
 
(in millions)
Natural Gas Distribution
$
1,630

 
$
18

 
$
163

 
$
1,377

 
$
16

 
$
210

Energy Services
2,098

 
47

 
(11
)
 
2,103

 
24

 
51

Midstream Investments (2)

 

 

 

 
 

 

Other Operations

 

 
1

 

 

 
(3
)
Eliminations

 
(65
)
 

 

 
(40
)
 

Consolidated
$
3,728

 
$

 
$
153

 
$
3,480

 
$

 
$
258


(2)
CenterPoint Energy’s and CERC’s Midstream Investments’ equity earnings, net are as follows:
 
 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
 
2018
 
2017
 
2018
 
2017
 
 
(in millions)
Enable
 
$
58

 
$
59

 
$
127

 
$
131



CenterPoint Energy and CERC
 
Total Assets
 
June 30, 2018
 
December 31, 2017
 
CenterPoint
 Energy
 
CERC
 
CenterPoint
Energy
 
CERC
 
(in millions)
Electric Transmission & Distribution
$
10,430

 
$

 
$
10,292

 
$

Natural Gas Distribution
6,501

 
6,501

 
6,608

 
6,608

Energy Services
1,256

 
1,256

 
1,521

 
1,521

Midstream Investments
2,451

 
2,451

 
2,472

 
2,472

Other Operations
2,311

(3)
89

 
2,497

(3)
70

Eliminations
(841
)
 
(655
)
 
(654
)
 
(559
)
Consolidated
$
22,108

 
$
9,642

 
$
22,736

 
$
10,112



(3)
Includes pension and other postemployment-related regulatory assets of $577 million and $600 million, respectively, as of June 30, 2018 and December 31, 2017.
Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block]
CenterPoint Energy’s and Houston Electric’s Electric Transmission & Distribution revenues from major customers are as follows:
 
 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
 
2018
 
2017
 
2018
 
2017
 
 
(in millions)
Affiliates of NRG
 
$
169

 
$
167

 
$
330

 
$
319

Affiliates of Vistra Energy Corp.
 
59

 
53

 
113

 
100

Midstream Investments [Table Text Block]
CenterPoint Energy’s and CERC’s Midstream Investments’ equity earnings, net are as follows:
 
 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
 
2018
 
2017
 
2018
 
2017
 
 
(in millions)
Enable
 
$
58

 
$
59

 
$
127

 
$
131