XML 137 R93.htm IDEA: XBRL DOCUMENT v3.22.4
INVESTMENTS IN UNCONSOLIDATED ENTITIES - ONCOR HOLDINGS (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Oncor Holdings      
Schedule of Equity Method Investments [Line Items]      
Payments to acquire equity method investments $ 341 $ 566 $ 632
Oncor Holdings | Oncor Electric Delivery Company LLC      
Schedule of Equity Method Investments [Line Items]      
Ownership percentage held by noncontrolling owners 80.25%    
Oncor Holdings | Sempra Texas Utilities      
Schedule of Equity Method Investments [Line Items]      
Ownership percentage in equity method investee 100.00% 100.00%