XML 71 R65.htm IDEA: XBRL DOCUMENT v3.19.3
Goodwill and Other Intangibles (CenterPoint Energy and CERC) (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Dec. 31, 2018
Goodwill [Line Items]          
Goodwill $ 5,179   $ 5,179   $ 867
Goodwill, Acquired During Period [1]     4,312    
Finite-Live Intangible Assets [Abstract]          
Intangible assets gross carrying amount 436   436   106
Intangible assets accumulated amortization (80)   (80)   (41)
Net intangible assets 356   356   65
Amortization of Intangible Assets     19 $ 0  
Finite-Lived Intangible Assets Amortization Expense Maturity Schedule [Abstract]          
Remaining three months of 2019 15   15    
2020 32   32    
2021 31   31    
2022 32   32    
2023 31   31    
2024 29   29    
Indiana Electric Integrated [Member]          
Goodwill [Line Items]          
Goodwill 1,008   1,008   0
Goodwill, Acquired During Period [1]     1,008    
Natural Gas Distribution [Member]          
Goodwill [Line Items]          
Goodwill 3,275   3,275   746
Goodwill, Acquired During Period [1]     2,529    
Energy Services [Member]          
Goodwill [Line Items]          
Goodwill [2] 110   110   110
Accumulated goodwill impairment charge recorded in 2012 252   252   252
Infrastructure Services [Member]          
Goodwill [Line Items]          
Goodwill 355   355   0
Goodwill, Acquired During Period [1]     355    
Corporate and Other [Member]          
Goodwill [Line Items]          
Goodwill 431   431   11
Goodwill, Acquired During Period [1]     420    
Customer Relationships [Member]          
Finite-Live Intangible Assets [Abstract]          
Intangible assets gross carrying amount 306 [3]   306 [3]   86
Intangible assets accumulated amortization (40) [3]   (40) [3]   (27)
Net intangible assets 266 [3]   266 [3]   59
Noncompete Agreements [Member]          
Finite-Live Intangible Assets [Abstract]          
Intangible assets gross carrying amount 4   4   4
Intangible assets accumulated amortization (3)   (3)   (3)
Net intangible assets 1   1   1
Trade Names [Member]          
Finite-Live Intangible Assets [Abstract]          
Intangible assets gross carrying amount 62 [3]   62 [3]   0
Intangible assets accumulated amortization (4) [3]   (4) [3]   0
Net intangible assets 58 [3]   58 [3]   0
Construction Backlog [Member]          
Finite-Live Intangible Assets [Abstract]          
Intangible assets gross carrying amount 28 [3],[4]   28 [3],[4]   0
Intangible assets accumulated amortization (18) [3],[4]   (18) [3],[4]   0
Net intangible assets 10 [3],[4]   10 [3],[4]   0
Operation and maintenance agreements [Member]          
Finite-Live Intangible Assets [Abstract]          
Intangible assets gross carrying amount 12 [3],[4]   12 [3],[4]   0
Intangible assets accumulated amortization (1) [3],[4]   (1) [3],[4]   0
Net intangible assets 11 [3],[4]   11 [3],[4]   0
Other [Member]          
Finite-Live Intangible Assets [Abstract]          
Intangible assets gross carrying amount [3] 24   24   16
Intangible assets accumulated amortization [3] (14)   (14)   (11)
Net intangible assets [3] 10   10   5
CERC Corp [Member]          
Goodwill [Line Items]          
Goodwill 867   867   867
Finite-Live Intangible Assets [Abstract]          
Intangible assets gross carrying amount 106   106   106
Intangible assets accumulated amortization (48)   (48)   (41)
Net intangible assets 58   58   65
Finite-Lived Intangible Assets Amortization Expense Maturity Schedule [Abstract]          
Remaining three months of 2019 4   4    
2020 6   6    
2021 6   6    
2022 6   6    
2023 5   5    
2024 5   5    
CERC Corp [Member] | Natural Gas Distribution [Member]          
Goodwill [Line Items]          
Goodwill 746   746   746
CERC Corp [Member] | Energy Services [Member]          
Goodwill [Line Items]          
Goodwill 110 [5]   110 [5]   110
Accumulated goodwill impairment charge recorded in 2012 252   252   252
CERC Corp [Member] | Corporate and Other [Member]          
Goodwill [Line Items]          
Goodwill 11   11   11
CERC Corp [Member] | Customer Relationships [Member]          
Finite-Live Intangible Assets [Abstract]          
Intangible assets gross carrying amount 86   86   86
Intangible assets accumulated amortization (31)   (31)   (27)
Net intangible assets 55   55   59
CERC Corp [Member] | Noncompete Agreements [Member]          
Finite-Live Intangible Assets [Abstract]          
Intangible assets gross carrying amount 4   4   4
Intangible assets accumulated amortization (3)   (3)   (3)
Net intangible assets 1   1   1
CERC Corp [Member] | Other [Member]          
Finite-Live Intangible Assets [Abstract]          
Intangible assets gross carrying amount 16   16   16
Intangible assets accumulated amortization (14)   (14)   (11)
Net intangible assets 2   2   $ 5
Depreciation and amortization expense [Member]          
Finite-Live Intangible Assets [Abstract]          
Amortization of Intangible Assets [6] 7 $ 2 20 7  
Depreciation and amortization expense [Member] | CERC Corp [Member]          
Finite-Live Intangible Assets [Abstract]          
Amortization of Intangible Assets 2 2 7 7  
Non-utility cost of revenues [Member]          
Finite-Live Intangible Assets [Abstract]          
Amortization of Intangible Assets 7 [7] $ 0 19 [7] $ 0  
Vectren [Member]          
Goodwill [Line Items]          
Goodwill $ 4,306   4,306    
Vectren [Member] | Depreciation and amortization expense [Member]          
Finite-Live Intangible Assets [Abstract]          
Amortization of Intangible Assets [6]     $ 13    
[1]
The allocation of goodwill to reportable segments subsequent to the Merger is preliminary and subject to change. See Note 3.
[2]
Amount presented is net of the accumulated goodwill impairment charge of $252 million recorded in 2012.
[3]
The fair value of intangible assets acquired through acquisitions is preliminary and subject to change. See Note 3.
[4]
Amortization expense related to the operation and maintenance agreements and construction backlog is included in Non-utility cost of revenues, including natural gas on CenterPoint Energy’s Condensed Statements of Consolidated Income.
[5]
Amount presented is net of the accumulated goodwill impairment charge of $252 million recorded in 2012.
[6]
Includes $5 million and $13 million for the three and nine months ended September 30, 2019, respectively, of amortization expense related to intangibles acquired in the Merger. The fair value of intangible assets, and related amortization
assumptions, acquired through acquisitions during the nine months ended September 30, 2019, is preliminary and subject to change. See Note 3.
[7] The fair value of intangible assets, and related amortization assumptions, acquired through acquisitions during the nine months ended September 30, 2019, is preliminary and subject to change. See Note 3.