Document and Entity Information
Document and Entity Information | May 11, 2021 |
Document And Entity Information [Line Items] | |
Entity Registrant Name | CENTERPOINT ENERGY INC |
Amendment Flag | false |
Entity Central Index Key | 0001130310 |
Document Type | 8-K |
Document Period End Date | May 11, 2021 |
Entity Incorporation State Country Code | TX |
Entity File Number | 1-31447 |
Entity Tax Identification Number | 74-0694415 |
Entity Address, Address Line One | 1111 Louisiana |
Entity Address, City or Town | Houston |
Entity Address, State or Province | TX |
Entity Address, Postal Zip Code | 77002 |
City Area Code | (713) |
Local Phone Number | 207-1111 |
Written Communications | false |
Soliciting Material | false |
Pre Commencement Tender Offer | false |
Pre Commencement Issuer Tender Offer | false |
Entity Emerging Growth Company | false |
Common Stock 0.01 Par Value [Member] | |
Document And Entity Information [Line Items] | |
Security 12b Title | Common Stock, $0.01 par value |
Trading Symbol | CNP |
Security Exchange Name | NYSE |
Shares [Member] | |
Document And Entity Information [Line Items] | |
Security 12b Title | Shares |
Trading Symbol | CNP |
Security Exchange Name | CHX |
Series B Preferred Stock [Member] | |
Document And Entity Information [Line Items] | |
Security 12b Title | Depositary Shares for 1/20 of 7.00% Series B Mandatory Convertible Preferred Stock, $0.01 par value |
Trading Symbol | CNP/PB |
Security Exchange Name | NYSE |