v3.26.1
DERIVATIVE FINANCIAL INSTRUMENTS - DERIVATIVE IMPACT ON INCOME (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Derivative [Line Items]        
Pretax gain (loss) reclassified from AOCI into earnings $ 39 $ (40) $ 43 $ (77)
Pretax gain (loss) on derivatives recognized in earnings (41) (1) (32) (1)
Derivatives designated as hedging instruments:        
Derivative [Line Items]        
Pretax gain (loss) recognized in OCI 40 (42) 51 (83)
Pretax gain (loss) reclassified from AOCI into earnings 0 0 6 3
Derivatives designated as hedging instruments: | Income Statement Location [Axis]: us-gaap:IncomeLossFromEquityMethodInvestments | Cash Flow Hedging | Interest rate instruments        
Derivative [Line Items]        
Pretax gain (loss) recognized in OCI 17 (13) 24 (33)
Pretax gain (loss) reclassified from AOCI into earnings (1) (1) 0 4
Derivatives designated as hedging instruments: | Income Statement Location [Axis]: us-gaap:IncomeLossFromEquityMethodInvestments | Cash Flow Hedging | Foreign exchange instruments        
Derivative [Line Items]        
Pretax gain (loss) recognized in OCI (1) (5) 1 (9)
Pretax gain (loss) reclassified from AOCI into earnings (1) 1 1 (1)
Derivatives designated as hedging instruments: | Income Statement Location [Axis]: us-gaap:IncomeLossFromEquityMethodInvestments | Fair Value Hedging | Foreign exchange instruments        
Derivative [Line Items]        
Pretax gain (loss) recognized in OCI 22 (16) 20 (25)
Pretax gain (loss) reclassified from AOCI into earnings 0 0 0 0
Derivatives designated as hedging instruments: | Income Statement Location [Axis]: us-gaap:InterestExpenseNonoperating | Cash Flow Hedging | Interest rate instruments        
Derivative [Line Items]        
Pretax gain (loss) recognized in OCI 2 (3) 4 (6)
Pretax gain (loss) reclassified from AOCI into earnings 2 0 3 2
Derivatives designated as hedging instruments: | Income Statement Location [Axis]: us-gaap:OtherNonoperatingIncomeExpense | Cash Flow Hedging | Foreign exchange instruments        
Derivative [Line Items]        
Pretax gain (loss) reclassified from AOCI into earnings (1) (1) (1) (1)
Derivatives designated as hedging instruments: | Income Statement Location [Axis]: us-gaap:UnregulatedOperatingRevenue | Cash Flow Hedging | Foreign exchange instruments        
Derivative [Line Items]        
Pretax gain (loss) recognized in OCI 0 (5) 2 (10)
Pretax gain (loss) reclassified from AOCI into earnings 1 1 3 (1)
Derivatives not designated as hedging instruments:        
Derivative [Line Items]        
Pretax gain (loss) on derivatives recognized in earnings 193 37 285 (35)
Derivatives not designated as hedging instruments: | Interest rate instruments        
Derivative [Line Items]        
Pretax gain (loss) on derivatives recognized in earnings $ 21 $ 9 $ 32 $ (56)
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Interest Expense, Nonoperating Interest Expense, Nonoperating Interest Expense, Nonoperating Interest Expense, Nonoperating
Derivatives not designated as hedging instruments: | Foreign exchange instruments        
Derivative [Line Items]        
Pretax gain (loss) on derivatives recognized in earnings $ (40) $ 0 $ (31) $ 0
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Other income, net Other income, net Other income, net Other income, net
Derivatives not designated as hedging instruments: | Commodity contracts not subject to rate recovery        
Derivative [Line Items]        
Pretax gain (loss) on derivatives recognized in earnings $ 135 $ 33 $ 235 $ 39
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Unregulated Operating Revenue Unregulated Operating Revenue Unregulated Operating Revenue Unregulated Operating Revenue
Derivatives not designated as hedging instruments: | Commodity contracts not subject to rate recovery | Energy-related businesses        
Derivative [Line Items]        
Pretax gain (loss) on derivatives recognized in earnings $ 77 $ (2) $ 55 $ (2)
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 not designated as hedging instruments: | Commodity contracts subject to rate recovery | Natural gas        
Derivative [Line Items]        
Pretax gain (loss) on derivatives recognized in earnings $ (8) $ (4) $ (9) $ (20)
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 not designated as hedging instruments: | Commodity contracts subject to rate recovery | Electric fuel and purchased power        
Derivative [Line Items]        
Pretax gain (loss) on derivatives recognized in earnings $ 8 $ 1 $ 3 $ 4
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 not designated as hedging instruments: | Commodity contracts subject to rate recovery | SDG&E        
Derivative [Line Items]        
Pretax gain (loss) on derivatives recognized in earnings $ 8 $ 1 $ 3 $ 4
Derivatives not designated as hedging instruments: | Commodity contracts subject to rate recovery | SoCalGas        
Derivative [Line Items]        
Pretax gain (loss) on derivatives recognized in earnings $ (8) $ (4) $ (9) $ (20)