XML 147 R2.htm IDEA: XBRL DOCUMENT v3.22.4
Audit Information
12 Months Ended
Dec. 31, 2022
Auditor [Line Items]  
Auditor Name DELOITTE & TOUCHE LLP
Auditor Location Houston, Texas
Auditor Firm ID 34
Houston Electric  
Auditor [Line Items]  
Auditor Name DELOITTE & TOUCHE LLP
Auditor Location Houston, Texas
Auditor Firm ID 34
CERC Corp  
Auditor [Line Items]  
Auditor Name DELOITTE & TOUCHE LLP
Auditor Location Houston, Texas
Auditor Firm ID 34