v3.25.2
DERIVATIVE FINANCIAL INSTRUMENTS - DERIVATIVE IMPACT ON INCOME (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Derivative [Line Items]        
Pretax (loss) gain reclassified from AOCI into earnings $ (40) $ 48 $ (77) $ 201
Pretax gain (loss) on derivatives recognized in earnings $ (1) $ 1 $ (1) $ 1
Interest expense        
Derivative [Line Items]        
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Interest Expense, Nonoperating Interest Expense, Nonoperating Interest Expense, Nonoperating Interest Expense, Nonoperating
Revenues: Energy- related businesses        
Derivative [Line Items]        
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Unregulated Operating Revenue Unregulated Operating Revenue Unregulated Operating Revenue Unregulated Operating Revenue
Energy-related businesses cost of sales        
Derivative [Line Items]        
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Cost of Product and Service Sold Cost of Product and Service Sold Cost of Product and Service Sold Cost of Product and Service Sold
Cost of natural gas        
Derivative [Line Items]        
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Cost of Product and Service Sold Cost of Product and Service Sold Cost of Product and Service Sold Cost of Product and Service Sold
Cost of electric fuel and purchased power        
Derivative [Line Items]        
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Cost of Product and Service Sold Cost of Product and Service Sold Cost of Product and Service Sold Cost of Product and Service Sold
Derivatives designated as hedging instruments:        
Derivative [Line Items]        
Pretax (loss) gain recognized in OCI $ (42) $ 77 $ (83) $ 248
Pretax (loss) gain reclassified from AOCI into earnings 0 18 3 31
Derivatives designated as hedging instruments: | Interest expense | Cash Flow Hedging | Interest rate instruments        
Derivative [Line Items]        
Pretax (loss) gain recognized in OCI (3) 66 (6) 208
Pretax (loss) gain reclassified from AOCI into earnings 0 3 2 6
Derivatives designated as hedging instruments: | Interest expense | Cash Flow Hedging | Interest rate instruments | SoCalGas        
Derivative [Line Items]        
Pretax (loss) gain recognized in OCI 0 0 0 0
Pretax (loss) gain reclassified from AOCI into earnings 0 (1) 0 (1)
Derivatives designated as hedging instruments: | Equity earnings | Cash Flow Hedging | Interest rate instruments        
Derivative [Line Items]        
Pretax (loss) gain recognized in OCI (13) (3) (33) 25
Pretax (loss) gain reclassified from AOCI into earnings (1) 10 4 15
Derivatives designated as hedging instruments: | Equity earnings | Cash Flow Hedging | Foreign exchange instruments        
Derivative [Line Items]        
Pretax (loss) gain recognized in OCI (5) 10 (9) 10
Pretax (loss) gain reclassified from AOCI into earnings 1 2 (1) 4
Derivatives designated as hedging instruments: | Equity earnings | Fair Value Hedging | Foreign exchange instruments        
Derivative [Line Items]        
Pretax (loss) gain recognized in OCI (16) (7) (25) (7)
Pretax (loss) gain reclassified from AOCI into earnings 0 0 0 0
Derivatives designated as hedging instruments: | Revenues: Energy- related businesses | Cash Flow Hedging | Foreign exchange instruments        
Derivative [Line Items]        
Pretax (loss) gain recognized in OCI (5) 11 (10) 12
Pretax (loss) gain reclassified from AOCI into earnings 1 2 (1) 5
Derivatives designated as hedging instruments: | Other income, net | Cash Flow Hedging | Foreign exchange instruments        
Derivative [Line Items]        
Pretax (loss) gain reclassified from AOCI into earnings (1) 1 (1) 1
Derivatives not designated as hedging instruments:        
Derivative [Line Items]        
Pretax gain (loss) on derivatives recognized in earnings 37 24 (35) 74
Derivatives not designated as hedging instruments: | Interest rate instruments        
Derivative [Line Items]        
Pretax gain (loss) on derivatives recognized in earnings 9 0 (56) 0
Derivatives not designated as hedging instruments: | Commodity contracts subject to rate recovery | SoCalGas        
Derivative [Line Items]        
Pretax gain (loss) on derivatives recognized in earnings (4) (21) (20) (27)
Derivatives not designated as hedging instruments: | Commodity contracts subject to rate recovery | SDG&E        
Derivative [Line Items]        
Pretax gain (loss) on derivatives recognized in earnings 1 4 4 (19)
Derivatives not designated as hedging instruments: | Revenues: Energy- related businesses | Commodity contracts not subject to rate recovery        
Derivative [Line Items]        
Pretax gain (loss) on derivatives recognized in earnings 33 41 39 120
Derivatives not designated as hedging instruments: | Energy-related businesses cost of sales | Commodity contracts not subject to rate recovery        
Derivative [Line Items]        
Pretax gain (loss) on derivatives recognized in earnings (2) 0 (2) 0
Derivatives not designated as hedging instruments: | Cost of natural gas | Commodity contracts subject to rate recovery        
Derivative [Line Items]        
Pretax gain (loss) on derivatives recognized in earnings (4) (21) (20) (27)
Derivatives not designated as hedging instruments: | Cost of electric fuel and purchased power | Commodity contracts subject to rate recovery        
Derivative [Line Items]        
Pretax gain (loss) on derivatives recognized in earnings $ 1 $ 4 $ 4 $ (19)