STATEMENTS OF CASH FLOWS - SCG - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 3,500	$ 3,618	$ 2,285
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	2,437	2,227	2,019
Deferred income taxes and investment tax credits	(20)	249	392
Bad debt expense	209	458	122
Other	20	(14)	56
Net change in working capital components:
Accounts receivable	118	168	(976)
Due to/from unconsolidated affiliates, net	30	26	(31)
Income taxes receivable/payable, net	(49)	142	(29)
Inventories	(74)	(80)	(17)
Other current assets	(30)	11	(1,608)
Accounts payable	(131)	(270)	430
Regulatory balancing accounts, net	(456)	260	36
Reserve for Aliso Canyon costs	(12)	(98)	(1,851)
Other current liabilities	142	1,270	228
Insurance receivable for Aliso Canyon costs	0	0	360
Changes in other noncurrent assets and liabilities, net	(150)	(594)	(564)
Net cash provided by operating activities	4,907	6,218	1,142
Net cash used in investing activities
Expenditures for property, plant and equipment	(8,215)	(8,397)	(5,357)
Net cash used in investing activities	(9,118)	(8,716)	(5,039)
CASH FLOWS FROM FINANCING ACTIVITIES
Common dividends paid	(1,499)	(1,483)	(1,430)
Preferred dividends paid	(44)	(44)	(44)
Issuances of debt (maturities greater than 90 days)	8,674	7,669	9,984
Payments on debt (maturities greater than 90 days) and finance leases	(3,339)	(6,294)	(4,510)
(Decrease) increase in short-term debt, net	(557)	552	(1,266)
Net cash provided by financing activities	5,424	2,419	3,779
Increase (decrease) in cash, cash equivalents and restricted cash	1,200	(73)	(119)
Cash, cash equivalents and restricted cash, January 1	389	462	581
Cash, cash equivalents and restricted cash, December 31	1,589	389	462
SUPPLEMENTAL DISCLOSURE OF NONCASH INVESTING AND FINANCING ACTIVITIES
Interest payments, net of amounts capitalized	1,205	1,172	1,014
Income tax payments, net of refunds	289	197	284
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]
Accrued capital expenditures for PP&E	1,181	1,052	590
Capital expenditures reclassed from assets to PP&E	53	18	5
Increase in finance lease obligations capitalized to PP&E	41	57	57
Increase in ARO capitalized to PP&E	1	33	91
SoCalGas
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	956	812	600
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	910	839	761
Deferred income taxes and investment tax credits	28	12	146
Bad debt expense	97	294	70
Other	(6)	(12)	(12)
Net change in working capital components:
Accounts receivable	(13)	207	(512)
Due to/from unconsolidated affiliates, net	6	57	(28)
Income taxes receivable/payable, net	13	(8)	23
Inventories	(10)	(118)	13
Other current assets	6	(1,053)	(139)
Accounts payable	(103)	(179)	191
Regulatory balancing accounts, net	(27)	(311)	46
Reserve for Aliso Canyon costs	(12)	(98)	(1,851)
Other current liabilities	46	1,047	185
Insurance receivable for Aliso Canyon costs	0	0	360
Changes in other noncurrent assets and liabilities, net	(100)	(100)	(307)
Net cash provided by operating activities	1,791	1,389	(454)
Net cash used in investing activities
Expenditures for property, plant and equipment	(2,231)	(2,020)	(1,993)
Net cash used in investing activities	(2,231)	(2,020)	(1,993)
CASH FLOWS FROM FINANCING ACTIVITIES
Common dividends paid	(200)	(100)	0
Preferred dividends paid	(1)	(1)	(1)
Equity contribution from Sempra	0	0	650
Issuances of debt (maturities greater than 90 days)	1,794	997	2,094
Payments on debt (maturities greater than 90 days) and finance leases	(524)	(1,120)	(15)
(Decrease) increase in short-term debt, net	(609)	846	(285)
Debt issuance costs	(10)	(10)	(12)
Net cash provided by financing activities	450	612	2,431
Increase (decrease) in cash, cash equivalents and restricted cash	10	(19)	(16)
Cash, cash equivalents and restricted cash, January 1	2	21	37
Cash, cash equivalents and restricted cash, December 31	12	2	21
SUPPLEMENTAL DISCLOSURE OF NONCASH INVESTING AND FINANCING ACTIVITIES
Interest payments, net of amounts capitalized	299	279	173
Income tax payments, net of refunds	(9)	6	(31)
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]
Accrued capital expenditures for PP&E	308	290	245
Capital expenditures reclassed from assets to PP&E	50	0	0
Increase in finance lease obligations capitalized to PP&E	27	40	41
Increase in ARO capitalized to PP&E	$ (23)	$ 1	$ 63