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Revenue Recognition (Tables) | 12 Months Ended
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Dec. 31, 2024
Revenue from Contract with Customer [Abstract] |
Schedule of Disaggregate Revenue | The following tables disaggregate revenues by reportable segment and major source: CenterPoint Energy
|  | Year Ended December 31, 2024
|  | Electric |  | Natural Gas |  | Corporate and Other |  | Total
|  | (in millions)
Revenue from contracts with customers |  | $ | 4,558 |  |  | $ | 3,990 |  |  | $ | 4 |  |  | $ | 8,552 |
Other (1) |  | 32 |  |  | 58 |  |  | 3 |  |  | 93 |
Eliminations |  | — |  |  | (2) |  |  | — |  |  | (2) |
Total revenues |  | $ | 4,590 |  |  | $ | 4,046 |  |  | $ | 7 |  |  | $ | 8,643 |
|  | Year Ended December 31, 2023
|  | Electric |  | Natural Gas |  | Corporate and Other |  | Total
|  | (in millions)
Revenue from contracts with customers |  | $ | 4,275 |  |  | $ | 4,210 |  |  | $ | 127 |  |  | $ | 8,612 |
Other (1) |  | 15 |  |  | 69 |  |  | 3 |  |  | 87 |
Eliminations |  | — |  |  | (3) |  |  | — |  |  | (3) |
Total revenues |  | $ | 4,290 |  |  | $ | 4,276 |  |  | $ | 130 |  |  | $ | 8,696 |
|  | Year Ended December 31, 2022
|  | Electric |  | Natural Gas |  | Corporate and Other |  | Total
|  | (in millions)
Revenue from contracts with customers |  | $ | 4,095 |  |  | $ | 4,969 |  |  | $ | 263 |  |  | $ | 9,327 |
Other (1) |  | 13 |  |  | (23) |  |  | 4 |  |  | (6) |
Total revenues |  | $ | 4,108 |  |  | $ | 4,946 |  |  | $ | 267 |  |  | $ | 9,321 |
(1)Primarily consists of income from ARPs and leases. Houston Electric
| Year Ended December 31,
| 2024 |  | 2023 |  | 2022
| (in millions)
Revenue from contracts with customers | $ | 3,930 |  |  | $ | 3,684 |  |  | $ | 3,417 |
Other (1) | 9 |  |  | (7) |  |  | (5) |
Total revenues | $ | 3,939 |  |  | $ | 3,677 |  |  | $ | 3,412 |
(1)Primarily consists of income from ARPs and leases. CERC
|  | Year Ended December 31,
|  | 2024 |  | 2023 |  | 2022
|  | (in millions)
Revenue from contracts with customers |  | $ | 3,868 |  |  | $ | 4,083 |  |  | $ | 4,816 |
Other (1) |  | 57 |  |  | 66 |  |  | (16) |
Total revenues |  | $ | 3,925 |  |  | $ | 4,149 |  |  | $ | 4,800 |
(1)Primarily consists of income from ARPs and leases.
Schedule of Contract with Customer, Asset and Liability | The opening and closing balances of accounts receivable, accrued unbilled revenues and contract liabilities from contracts with customers are as follows: CenterPoint Energy
| Accounts Receivable |  | Accrued Unbilled Revenues |  |  |  | Contract Liabilities |  |
| (in millions) |  |
Opening balance as of December 31, 2023 | $ | 652 |  |  | $ | 516 |  |  |  |  | $ | 2 |  |  |
Closing balance as of December 31, 2024 | 666 |  |  | 521 |  |  |  |  | 2 |  |  |
Increase | $ | 14 |  |  | $ | 5 |  |  |  |  | $ | — |  |  |
The amount of revenue recognized in the year ended December 31, 2024 that was included in the opening contract liability was $2 million. The difference between the opening and closing balances of the contract liabilities primarily results from the timing difference between CenterPoint Energy’s performance and the customer’s payment. Houston Electric
| Accounts Receivable |  | Accrued Unbilled Revenues |  | Contract Liabilities |  |
| (in millions) |  |
Opening balance as of December 31, 2023 | $ | 275 |  |  | $ | 142 |  |  | $ | 2 |  |  |
Closing balance as of December 31, 2024 | 284 |  |  | 137 |  |  | 2 |  |  |
Increase (decrease) | $ | 9 |  |  | $ | (5) |  |  | $ | — |  |  |
The amount of revenue recognized in the year ended December 31, 2024 that was included in the opening contract liability was $2 million. The difference between the opening and closing balances of the contract liabilities primarily results from the timing difference between Houston Electric’s performance and the customer’s payment. CERC
| Accounts Receivable |  | Accrued Unbilled Revenues |
| (in millions) |  |
Opening balance as of December 31, 2023 | $ | 330 |  |  | $ | 329 |  |  |
Closing balance as of December 31, 2024 | 326 |  |  | 338 |  |  |
Increase (decrease) | $ | (4) |  |  | $ | 9 |  |  |
Schedule of Registrants’ Bad Debt Expense | The table below summarizes the Registrants’ bad debt expense amounts for 2024, 2023 and 2022, net of regulatory deferrals:
| Year Ended December 31,
| 2024 |  | 2023 |  | 2022
| CenterPoint Energy |  | Houston Electric |  | CERC |  | CenterPoint Energy |  | Houston Electric |  | CERC |  | CenterPoint Energy |  | Houston Electric |  | CERC
| (in millions)
Bad debt expense | $ | 21 |  |  | $ | 1 |  |  | $ | 16 |  |  | $ | 18 |  |  | $ | — |  |  | $ | 16 |  |  | $ | 20 |  |  | $ | — |  |  | $ | 17 |

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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-10 + Details
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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-5 + Details
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