XML 11 R1.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Document and Entity Information
May 08, 2024
Cover [Abstract]  
Entity Registrant Name CENTERPOINT ENERGY INC
Security Exchange Name NYSE
Amendment Flag false
Entity Central Index Key 0001130310
Document Type 8-K
Document Period End Date May 08, 2024
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
Security 12b Title Common Stock, $0.01 par value
Trading Symbol CNP
Entity Emerging Growth Company false