v3.25.2
DERIVATIVE FINANCIAL INSTRUMENTS - DERIVATIVE INSTRUMENTS ON THE CONDENSED BALANCE SHEET (Details) - USD ($)
$ in Millions
Jun. 30, 2025
Dec. 31, 2024
Current assets: Fixed-price contracts and other derivatives    
Derivatives, Fair Value [Line Items]    
Derivative asset, Net amounts presented on the balance sheet $ 26 $ 26
Derivative asset, Additional cash collateral for commodity contracts not subject to rate recovery 80 40
Derivative asset, Additional cash collateral for commodity contracts subject to rate recovery 36 25
Derivative assets, Total 142 91
Other long-term assets    
Derivatives, Fair Value [Line Items]    
Derivative asset, Net amounts presented on the balance sheet 209 277
Derivative asset, Additional cash collateral for commodity contracts not subject to rate recovery 0 0
Derivative asset, Additional cash collateral for commodity contracts subject to rate recovery 0 0
Derivative assets, Total 209 277
Other current liabilities    
Derivatives, Fair Value [Line Items]    
Derivative liability, Net amounts presented on the balance sheet (56) (46)
Derivative liability, Additional cash collateral for commodity contracts not subject to rate recovery 0 0
Derivative liability, Additional cash collateral for commodity contracts subject to rate recovery 0 0
Derivative liabilities, Total (56) (46)
Deferred credits and other    
Derivatives, Fair Value [Line Items]    
Derivative liability, Net amounts presented on the balance sheet (29) (24)
Derivative liability, Additional cash collateral for commodity contracts not subject to rate recovery 0 0
Derivative liability, Additional cash collateral for commodity contracts subject to rate recovery 0 0
Derivative liabilities, Total (29) (24)
Derivatives designated as hedging instruments: | Current assets: Fixed-price contracts and other derivatives | Interest rate instruments    
Derivatives, Fair Value [Line Items]    
Derivative asset, subject to master netting arrangement, before offset 7 7
Derivatives designated as hedging instruments: | Current assets: Fixed-price contracts and other derivatives | Foreign exchange instruments    
Derivatives, Fair Value [Line Items]    
Derivative asset, subject to master netting arrangement, before offset 0 4
Derivatives designated as hedging instruments: | Other long-term assets | Interest rate instruments    
Derivatives, Fair Value [Line Items]    
Derivative asset, subject to master netting arrangement, before offset 21 28
Derivatives designated as hedging instruments: | Other long-term assets | Foreign exchange instruments    
Derivatives, Fair Value [Line Items]    
Derivative asset, subject to master netting arrangement, before offset 0 1
Derivatives designated as hedging instruments: | Other current liabilities | Interest rate instruments    
Derivatives, Fair Value [Line Items]    
Derivative liability, subject to master netting arrangement, before offset 0 0
Derivatives designated as hedging instruments: | Other current liabilities | Foreign exchange instruments    
Derivatives, Fair Value [Line Items]    
Derivative liability, subject to master netting arrangement, before offset (7) 0
Derivatives designated as hedging instruments: | Deferred credits and other | Interest rate instruments    
Derivatives, Fair Value [Line Items]    
Derivative liability, subject to master netting arrangement, before offset 0 0
Derivatives designated as hedging instruments: | Deferred credits and other | Foreign exchange instruments    
Derivatives, Fair Value [Line Items]    
Derivative liability, subject to master netting arrangement, before offset 0 0
Derivatives not designated as hedging instruments: | Current assets: Fixed-price contracts and other derivatives | Interest rate instruments    
Derivatives, Fair Value [Line Items]    
Derivative asset, subject to master netting arrangement, before offset 11 12
Derivatives not designated as hedging instruments: | Current assets: Fixed-price contracts and other derivatives | Commodity contracts not subject to rate recovery    
Derivatives, Fair Value [Line Items]    
Derivative asset, subject to master netting arrangement, before offset 17 16
Derivative asset, subject to master netting arrangement, liability offset (12) (15)
Derivatives not designated as hedging instruments: | Current assets: Fixed-price contracts and other derivatives | Commodity contracts subject to rate recovery    
Derivatives, Fair Value [Line Items]    
Derivative asset, subject to master netting arrangement, before offset 25 7
Derivative asset, subject to master netting arrangement, liability offset (22) (5)
Associated offsetting cash collateral 0 0
Derivatives not designated as hedging instruments: | Other long-term assets | Interest rate instruments    
Derivatives, Fair Value [Line Items]    
Derivative asset, subject to master netting arrangement, before offset 185 246
Derivatives not designated as hedging instruments: | Other long-term assets | Commodity contracts not subject to rate recovery    
Derivatives, Fair Value [Line Items]    
Derivative asset, subject to master netting arrangement, before offset 16 23
Derivative asset, subject to master netting arrangement, liability offset (16) (23)
Derivatives not designated as hedging instruments: | Other long-term assets | Commodity contracts subject to rate recovery    
Derivatives, Fair Value [Line Items]    
Derivative asset, subject to master netting arrangement, before offset 7 4
Derivative asset, subject to master netting arrangement, liability offset (4) (2)
Associated offsetting cash collateral 0 0
Derivatives not designated as hedging instruments: | Other current liabilities | Interest rate instruments    
Derivatives, Fair Value [Line Items]    
Derivative liability, subject to master netting arrangement, before offset 0 0
Derivatives not designated as hedging instruments: | Other current liabilities | Commodity contracts not subject to rate recovery    
Derivatives, Fair Value [Line Items]    
Derivative liability, subject to master netting arrangement, before offset (37) (21)
Derivative liability, subject to master netting arrangement, asset offset 12 15
Derivatives not designated as hedging instruments: | Other current liabilities | Commodity contracts subject to rate recovery    
Derivatives, Fair Value [Line Items]    
Derivative liability, subject to master netting arrangement, before offset (52) (55)
Derivative liability, subject to master netting arrangement, asset offset 22 5
Associated offsetting cash collateral 6 10
Derivatives not designated as hedging instruments: | Deferred credits and other | Interest rate instruments    
Derivatives, Fair Value [Line Items]    
Derivative liability, subject to master netting arrangement, before offset 0 0
Derivatives not designated as hedging instruments: | Deferred credits and other | Commodity contracts not subject to rate recovery    
Derivatives, Fair Value [Line Items]    
Derivative liability, subject to master netting arrangement, before offset (36) (43)
Derivative liability, subject to master netting arrangement, asset offset 16 23
Derivatives not designated as hedging instruments: | Deferred credits and other | Commodity contracts subject to rate recovery    
Derivatives, Fair Value [Line Items]    
Derivative liability, subject to master netting arrangement, before offset (13) (10)
Derivative liability, subject to master netting arrangement, asset offset 4 2
Associated offsetting cash collateral 0 4
SDG&E | Current assets: Fixed-price contracts and other derivatives    
Derivatives, Fair Value [Line Items]    
Derivative asset, Net amounts presented on the balance sheet 2 2
Derivative asset, Additional cash collateral for commodity contracts subject to rate recovery 34 21
Derivative assets, Total 36 23
SDG&E | Other long-term assets    
Derivatives, Fair Value [Line Items]    
Derivative asset, Net amounts presented on the balance sheet 3 2
Derivative asset, Additional cash collateral for commodity contracts subject to rate recovery 0 0
Derivative assets, Total 3 2
SDG&E | Other current liabilities    
Derivatives, Fair Value [Line Items]    
Derivative liability, Net amounts presented on the balance sheet (1) (1)
Derivative liability, Additional cash collateral for commodity contracts subject to rate recovery 0 0
Derivative liabilities, Total (1) (1)
SDG&E | Deferred credits and other    
Derivatives, Fair Value [Line Items]    
Derivative liability, Net amounts presented on the balance sheet 0 0
Derivative liability, Additional cash collateral for commodity contracts subject to rate recovery 0 0
Derivative liabilities, Total 0 0
SDG&E | Derivatives not designated as hedging instruments: | Current assets: Fixed-price contracts and other derivatives | Commodity contracts subject to rate recovery    
Derivatives, Fair Value [Line Items]    
Derivative asset, subject to master netting arrangement, before offset 4 4
Derivative asset, subject to master netting arrangement, liability offset (2) (2)
Associated offsetting cash collateral 0 0
SDG&E | Derivatives not designated as hedging instruments: | Other long-term assets | Commodity contracts subject to rate recovery    
Derivatives, Fair Value [Line Items]    
Derivative asset, subject to master netting arrangement, before offset 7 4
Derivative asset, subject to master netting arrangement, liability offset (4) (2)
Associated offsetting cash collateral 0 0
SDG&E | Derivatives not designated as hedging instruments: | Other current liabilities | Commodity contracts subject to rate recovery    
Derivatives, Fair Value [Line Items]    
Derivative liability, subject to master netting arrangement, before offset (9) (13)
Derivative liability, subject to master netting arrangement, asset offset 2 2
Associated offsetting cash collateral 6 10
SDG&E | Derivatives not designated as hedging instruments: | Deferred credits and other | Commodity contracts subject to rate recovery    
Derivatives, Fair Value [Line Items]    
Derivative liability, subject to master netting arrangement, before offset (4) (6)
Derivative liability, subject to master netting arrangement, asset offset 4 2
Associated offsetting cash collateral 0 4
SoCalGas | Current assets: Fixed-price contracts and other derivatives    
Derivatives, Fair Value [Line Items]    
Derivative asset, Net amounts presented on the balance sheet 1 0
Derivative asset, Additional cash collateral for commodity contracts subject to rate recovery 2 4
Derivative assets, Total 3 4
SoCalGas | Other long-term assets    
Derivatives, Fair Value [Line Items]    
Derivative asset, Net amounts presented on the balance sheet 0 0
Derivative asset, Additional cash collateral for commodity contracts subject to rate recovery 0 0
Derivative assets, Total 0 0
SoCalGas | Other current liabilities    
Derivatives, Fair Value [Line Items]    
Derivative liability, Net amounts presented on the balance sheet (23) (39)
Derivative liability, Additional cash collateral for commodity contracts subject to rate recovery 0 0
Derivative liabilities, Total (23) (39)
SoCalGas | Deferred credits and other    
Derivatives, Fair Value [Line Items]    
Derivative liability, Net amounts presented on the balance sheet (9) (4)
Derivative liability, Additional cash collateral for commodity contracts subject to rate recovery 0 0
Derivative liabilities, Total (9) (4)
SoCalGas | Derivatives not designated as hedging instruments: | Current assets: Fixed-price contracts and other derivatives | Commodity contracts subject to rate recovery    
Derivatives, Fair Value [Line Items]    
Derivative asset, subject to master netting arrangement, before offset 21 3
Derivative asset, subject to master netting arrangement, liability offset (20) (3)
SoCalGas | Derivatives not designated as hedging instruments: | Other long-term assets | Commodity contracts subject to rate recovery    
Derivatives, Fair Value [Line Items]    
Derivative asset, subject to master netting arrangement, before offset 0 0
Derivative asset, subject to master netting arrangement, liability offset 0 0
SoCalGas | Derivatives not designated as hedging instruments: | Other current liabilities | Commodity contracts subject to rate recovery    
Derivatives, Fair Value [Line Items]    
Derivative liability, subject to master netting arrangement, before offset (43) (42)
Derivative liability, subject to master netting arrangement, asset offset 20 3
SoCalGas | Derivatives not designated as hedging instruments: | Deferred credits and other | Commodity contracts subject to rate recovery    
Derivatives, Fair Value [Line Items]    
Derivative liability, subject to master netting arrangement, before offset (9) (4)
Derivative liability, subject to master netting arrangement, asset offset $ 0 $ 0