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Revenue Recognition and Allowance for Credit Losses (Tables) | 3 Months Ended
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Mar. 31, 2024
Revenue from Contract with Customer [Abstract] |
Schedule of Disaggregation of Revenue | The following tables disaggregate revenues by reportable segment and major source: CenterPoint Energy
| Three Months Ended March 31, 2024
| Electric |  | Natural Gas |  | Corporate and Other |  | Total
| (in millions)
Revenue from contracts with customers | $ | 1,052 |  |  | $ | 1,541 |  |  | $ | 1 |  |  | $ | 2,594 |
Other (1) | (3) |  |  | 29 |  |  | — |  |  | 26 |
Total revenues | $ | 1,049 |  |  | $ | 1,570 |  |  | $ | 1 |  |  | $ | 2,620 |
| Three Months Ended March 31, 2023
| Electric |  | Natural Gas |  | Corporate and Other |  | Total
| (in millions)
Revenue from contracts with customers | $ | 958 |  |  | $ | 1,752 |  |  | $ | 51 |  |  | $ | 2,761 |
Other (1) | (6) |  |  | 23 |  |  | 1 |  |  | 18 |
Total revenues | $ | 952 |  |  | $ | 1,775 |  |  | $ | 52 |  |  | $ | 2,779 |
(1)Primarily consists of income from ARPs and leases. Total lease income was $2 million for both the three months ended March 31, 2024 and 2023. Houston Electric
|  |  | Three Months Ended March 31,
|  |  |  |  | 2024 |  | 2023
|  |  |  |  | (in millions)
Revenue from contracts with customers |  |  |  |  | $ | 910 |  |  | $ | 803 |
Other (1) |  |  |  |  | (9) |  |  | (11) |
Total revenues |  |  |  |  | $ | 901 |  |  | $ | 792 |
(1)Primarily consists of income from ARPs and leases. Lease income was not significant for the three months ended March 31, 2024 and 2023. CERC
|  |  | Three Months Ended March 31,
|  |  |  |  | 2024 |  | 2023
|  |  |  |  | (in millions)
Revenue from contracts with customers |  |  |  |  | $ | 1,485 |  |  | $ | 1,700 |
Other (1) |  |  |  |  | 27 |  |  | 17 |
Total revenues |  |  |  |  | $ | 1,512 |  |  | $ | 1,717 |
(1)Primarily consists of income from ARPs and leases. Lease income was not significant for the three months ended March 31, 2024 and 2023.
Schedule of Contract with Customer, Contract Asset, Contract Liability and Receivable | The opening and closing balances of accounts receivable, other accrued unbilled revenues and contract liabilities from contracts with customers are as follows: CenterPoint Energy
| Accounts Receivable |  | Other Accrued Unbilled Revenues |  | Contract Liabilities
| (in millions)
Opening balance as of December 31, 2023 | $ | 652 |  |  | $ | 516 |  |  | $ | 2 |
Closing balance as of March 31, 2024 | 656 |  |  | 392 |  |  | 3 |
Decrease | $ | 4 |  |  | $ | (124) |  |  | $ | 1 |
The amount of revenue recognized during the three months ended March 31, 2024 that was included in the opening contract liability was $1 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 |  | Other Accrued Unbilled Revenues |  |  |  | Contract Liabilities
| (in millions)
Opening balance as of December 31, 2023 | $ | 275 |  |  | $ | 142 |  |  |  |  | $ | 2 |
Closing balance as of March 31, 2024 | 250 |  |  | 122 |  |  |  |  | 3 |
Increase (decrease) | $ | (25) |  |  | $ | (20) |  |  |  |  | $ | 1 |
The amount of revenue recognized during the three months ended March 31, 2024 that was included in the opening contract liability was $1 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 |  | Other Accrued Unbilled Revenues |  |  |  |
| (in millions) |  |
Opening balance as of December 31, 2023 | $ | 330 |  |  | $ | 329 |  |  |  |  |  |  |
Closing balance as of March 31, 2024 | 355 |  |  | 233 |  |  |  |  |  |  |
Decrease | $ | 25 |  |  | $ | (96) |  |  |  |  |  |  |
CERC does not have any opening or closing contract asset or contract liability balances.

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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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