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Subsequent Events (CenterPoint Energy)
3 Months Ended
Mar. 31, 2023
Subsequent Events [Abstract]  
Subsequent Events (CenterPoint Energy) Subsequent Events (CenterPoint Energy)
CenterPoint Energy Dividend Declarations

Equity InstrumentDeclaration DateRecord DatePayment DatePer Share
Common StockApril 20, 2023May 18, 2023June 8, 2023$0.1900