| Submission | Aug. 08, 2024 |
| Submission [Line Items] | |
| Central Index Key | 0001130310 |
| Registrant Name | CenterPoint Energy, Inc. |
| Registration File Number | 333-272025 |
| Form Type | S-3 |
| Submission Type | 424B5 |
| Fee Exhibit Type | EX-FILING FEES |
| Offerings - Offering: 1 | Aug. 08, 2024 USD ($) |
| Offering: | |
| Fee Previously Paid | false |
| Rule 457(r) | true |
| Security Type | Equity |
| Security Class Title | Common Stock, par value $0.01 per share |
| Amount Registered | 250,000,000 |
| Maximum Aggregate Offering Price | $ 250,000,000 |
| Fee Rate | 0.01476% |
| Amount of Registration Fee | $ 36,900 |
| Offering Note | This registration fee table shall be deemed to update the “Calculation of Registration Fee” in the Company’s Registration Statement on Form S-3 (File No. 333-272025) in |
| Fees Summary | Aug. 08, 2024 USD ($) |
| Fees Summary [Line Items] | |
| Total Offering | $ 250,000,000 |
| Previously Paid Amount | 0 |
| Total Fee Amount | 36,900 |
| Total Offset Amount | 0 |
| Net Fee | $ 36,900 |
