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Revenue Recognition and Allowance for Credit Losses (Tables) | 3 Months Ended
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Mar. 31, 2023
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, 2023
|  | Electric |  | Natural Gas |  | Corporate and Other |  | Total
|  | (in millions)
Revenue from contracts |  | $ | 958 |  |  | $ | 1,752 |  |  | $ | 51 |  |  | $ | 2,761 |
Other (1) |  | (6) |  |  | 23 |  |  | 1 |  |  | 18 |
Total revenues |  | $ | 952 |  |  | $ | 1,775 |  |  | $ | 52 |  |  | $ | 2,779 |
|  | Three Months Ended March 31, 2022
|  | Electric |  | Natural Gas |  | Corporate and Other |  | Total
|  | (in millions)
Revenue from contracts |  | $ | 898 |  |  | $ | 1,845 |  |  | $ | 45 |  |  | $ | 2,788 |
Other (1) |  | (5) |  |  | (21) |  |  | 1 |  |  | (25) |
Total revenues |  | $ | 893 |  |  | $ | 1,824 |  |  | $ | 46 |  |  | $ | 2,763 |
(1)Primarily consists of income from ARPs and leases. Total lease income was $2 million and $1 million for the three months ended March 31, 2023 and 2022, respectively. Houston Electric
|  |  | Three Months Ended March 31,
|  |  |  |  | 2023 |  | 2022
|  |  |  | (in millions)
Revenue from contracts |  |  |  |  | $ | 803 |  |  | $ | 756 |
Other (1) |  |  |  |  | (11) |  |  | (10) |
Total revenues |  |  |  |  | $ | 792 |  |  | $ | 746 |
(1)Primarily consists of income from ARPs and leases. Lease income was not significant for the three months ended March 31, 2023 and 2022. CERC
|  |  |  | Three Months Ended March 31,
|  |  |  |  |  | 2023 |  | 2022
|  |  |  |  | (in millions)
Revenue from contracts |  |  |  |  |  | $ | 1,700 |  |  | $ | 1,785 |
Other (1) |  |  |  |  |  | 17 |  |  | (22) |
Total revenues |  |  |  |  |  | $ | 1,717 |  |  | $ | 1,763 |
(1)Primarily consists of income from ARPs and leases. Lease income was not significant for the three months ended March 31, 2023 and 2022.
Schedule of Contract with Customer, Contract Asset, Contract Liability and Receivable | The opening and closing balances of accounts receivable, other accrued unbilled revenue, contract assets and contract liabilities from contracts with customers are as follows: CenterPoint Energy
| Accounts Receivable |  | Other Accrued Unbilled Revenues |  | Contract Assets |  | Contract Liabilities
| (in millions)
Opening balance as of December 31, 2022 | $ | 858 |  |  | $ | 764 |  |  | $ | 4 |  |  | $ | 45 |
Closing balance as of March 31, 2023 | 837 |  |  | 398 |  |  | 4 |  |  | 56 |
Increase (decrease) | $ | (21) |  |  | $ | (366) |  |  | $ | — |  |  | $ | 11 |
The amount of revenue recognized during the three-month period ended March 31, 2023 that was included in the opening contract liability was $21 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, 2022 | $ | 271 |  |  | $ | 142 |  |  |  |  | $ | 2 |
Closing balance as of March 31, 2023 | 240 |  |  | 89 |  |  |  |  | 3 |
Increase (decrease) | $ | (31) |  |  | $ | (53) |  |  |  |  | $ | 1 |
The amount of revenue recognized during the three-month period ended March 31, 2023 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, 2022 | $ | 478 |  |  | $ | 573 |  |  |  |  |  |  |
Closing balance as of March 31, 2023 | 509 |  |  | 275 |  |  |  |  |  |  |
Increase (decrease) | $ | 31 |  |  | $ | (298) |  |  |  |  |  |  |
CERC does not have any opening or closing contract asset or contract liability balances.
Schedule of Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction | Remaining Performance Obligations (CenterPoint Energy). The table below discloses (1) the aggregate amount of the transaction price allocated to performance obligations that are unsatisfied (or partially unsatisfied) as of the end of the reporting period for contracts and (2) when CenterPoint Energy expects to recognize this revenue. Such contracts include energy performance and sustainable infrastructure services contracts of Energy Systems Group, which are included in Corporate and Other.
| Rolling 12 Months |  | Thereafter |  | Total
| (in millions) |  |
Revenue expected to be recognized on contracts in place as of March 31, 2023: |  |  |  |  |  |  |
Corporate and Other | $ | 282 |  |  | $ | 535 |  |  | $ | 817 |  |  |
| $ | 282 |  |  | $ | 535 |  |  | $ | 817 |  |  |

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130551-203045 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130545-203045 + Details
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- Definition Tabular disclosure of expected timing for satisfying remaining performance obligation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (b)(1) -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130556-203045 + Details
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