DERIVATIVE FINANCIAL INSTRUMENTS - INCOME STATEMENT (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Derivative Instruments, Gain (Loss) [Line Items]
Pretax gain (loss) reclassified from AOCI into earnings	$ 37	$ 1	$ 216
Cost of natural gas
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Cost of Goods and Services Sold	Cost of Goods and Services Sold	Cost of Goods and Services Sold
Cost of electric fuel and purchased power
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Cost of Goods and Services Sold	Cost of Goods and Services Sold	Cost of Goods and Services Sold
Commodity contracts not subject to rate recovery
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Unregulated Operating Revenue	Unregulated Operating Revenue	Unregulated Operating Revenue
Interest rate instruments
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Interest Expense, Nonoperating	Interest Expense, Nonoperating	Interest Expense, Nonoperating
Derivatives designated as hedging instruments: | Cash Flow Hedges
Derivative Instruments, Gain (Loss) [Line Items]
Pretax gain (loss) recognized in OCI	$ 85	$ 67	$ 257
Pretax gain (loss) reclassified from AOCI into earnings	47	49	(16)
Derivatives designated as hedging instruments: | Cash Flow Hedges | Interest rate instruments | Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Pretax gain (loss) recognized in OCI	36	45	40
Pretax gain (loss) reclassified from AOCI into earnings	11	(1)	(1)
Derivatives designated as hedging instruments: | Cash Flow Hedges | Interest rate instruments | Equity Earnings
Derivative Instruments, Gain (Loss) [Line Items]
Pretax gain (loss) recognized in OCI	21	20	205
Pretax gain (loss) reclassified from AOCI into earnings	23	48	(29)
Derivatives designated as hedging instruments: | Cash Flow Hedges | Foreign exchange instruments | Equity Earnings
Derivative Instruments, Gain (Loss) [Line Items]
Pretax gain (loss) recognized in OCI	12	(3)	(5)
Pretax gain (loss) reclassified from AOCI into earnings	6	(2)	0
Derivatives designated as hedging instruments: | Cash Flow Hedges | Foreign exchange instruments | Revenues: Energy- related businesses
Derivative Instruments, Gain (Loss) [Line Items]
Pretax gain (loss) recognized in OCI	14	(2)	(8)
Pretax gain (loss) reclassified from AOCI into earnings	5	(1)	1
Derivatives designated as hedging instruments: | Cash Flow Hedges | Foreign exchange instruments | Other income, net
Derivative Instruments, Gain (Loss) [Line Items]
Pretax gain (loss) reclassified from AOCI into earnings	2	(2)	(1)
Derivatives designated as hedging instruments: | Cash Flow Hedges | Interest rate and foreign exchange instruments | Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Pretax gain (loss) recognized in OCI	0	7	25
Pretax gain (loss) reclassified from AOCI into earnings	0	1	2
Derivatives designated as hedging instruments: | Cash Flow Hedges | Interest rate and foreign exchange instruments | Other income, net
Derivative Instruments, Gain (Loss) [Line Items]
Pretax gain (loss) reclassified from AOCI into earnings	0	6	12
Derivatives designated as hedging instruments: | Fair Value Hedging | Foreign currency derivatives | Equity Earnings
Derivative Instruments, Gain (Loss) [Line Items]
Pretax gain (loss) recognized in OCI	2	0	0
Pretax gain (loss) reclassified from AOCI into earnings	0	0	0
Derivatives not designated as hedging instruments:
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivative recognized in earnings	369	599	(937)
Derivatives not designated as hedging instruments: | Commodity contracts not subject to rate recovery
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivative recognized in earnings	223	919	(1,116)
Derivatives not designated as hedging instruments: | Commodity contracts subject to rate recovery | Cost of natural gas
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivative recognized in earnings	(56)	(288)	(56)
Derivatives not designated as hedging instruments: | Commodity contracts subject to rate recovery | Cost of electric fuel and purchased power
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivative recognized in earnings	(41)	15	202
Derivatives not designated as hedging instruments: | Interest rate instruments
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivative recognized in earnings	243	(47)	33
SDG&E | Derivatives not designated as hedging instruments: | Commodity contracts subject to rate recovery
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivative recognized in earnings	(41)	15	202
SoCalGas | Derivatives designated as hedging instruments: | Cash Flow Hedges | Interest rate instruments | Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Pretax gain (loss) recognized in OCI	0	0	0
Pretax gain (loss) reclassified from AOCI into earnings	(1)	(1)	(1)
SoCalGas | Derivatives not designated as hedging instruments: | Commodity contracts subject to rate recovery
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivative recognized in earnings	$ (56)	$ (288)	$ (56)