v3.25.3
Equity Securities and Indexed Debt Securities (ZENS) (CenterPoint Energy) (Tables)
 9 Months Ended
Sep. 30, 2025
Investments, Debt and Equity Securities [Abstract]  
Schedule of Gain (Loss) on Securities
Gains and losses on equity securities, net of transaction costs, are recorded in Gain (loss) on equity securities in CenterPoint Energy’s Condensed Statements of Consolidated Income. The following table presents unrealized gains (losses), net on equity securities owned by CenterPoint Energy for each period presented:
Three Months Ended September 30,Nine Months Ended September 30,
2025202420252024
(in millions)
AT&T Common$(8)$29 $55 $53 
Charter Common(116)22 (59)(56)
WBD Common20 3 22 (7)
Total gains (losses) on equity securities, net$(104)$54 $18 $(10)
Schedule of Securities Classified as Trading
CenterPoint Energy and its subsidiaries hold shares of certain securities detailed in the table below, which are classified as trading securities. Shares of AT&T Common, Charter Common and WBD Common are expected to be held to facilitate CenterPoint Energy’s ability to meet its obligation under the ZENS. The following table presents information on CenterPoint Energy’s equity securities for each period presented:

Shares Held Carrying Value
September 30, 2025December 31, 2024September 30, 2025December 31, 2024
(in millions)
AT&T Common10,212,945 10,212,945 $288 $233 
Charter Common872,503 872,503 240 299 
WBD Common2,470,685 2,470,685 48 26 
Other3 3 
Total$579 $561 
Schedule of Reference Shares CenterPoint Energy’s reference shares for each ZENS consisted of the following:
September 30, 2025
December 31, 2024
(in shares)
AT&T Common0.7185 0.7185 
Charter Common0.061382 0.061382 
WBD Common0.173817 0.173817