STATEMENTS OF CASH FLOWS - SCG - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
CASH FLOWS FROM OPERATING ACTIVITIES
Net income (loss)	$ 3,618	$ 2,285	$ 1,463
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	2,227	2,019	1,855
Deferred income taxes and investment tax credits	249	392	(78)
Bad debt expense	458	122	55
Other	(11)	32	115
Net change in working capital components:
Accounts receivable	168	(976)	(599)
Due to/from unconsolidated affiliates, net	26	(31)	(1)
Income taxes receivable/payable, net	142	(29)	(38)
Inventories	(80)	(17)	(87)
Other current assets	11	(1,608)	(220)
Accounts payable	(270)	430	263
Regulatory balancing accounts, net	260	36	249
Reserve for Aliso Canyon costs	(98)	(1,851)	1,532
Other current liabilities	1,270	228	(105)
Insurance receivable for Aliso Canyon costs	0	360	85
Changes in other noncurrent assets and liabilities, net	(594)	(564)	(496)
Net cash provided by operating activities	6,218	1,142	3,842
CASH FLOWS FROM INVESTING ACTIVITIES
Expenditures for property, plant and equipment	(8,397)	(5,357)	(5,015)
Net cash used in investing activities	(8,716)	(5,039)	(5,508)
CASH FLOWS FROM FINANCING ACTIVITIES
Common dividends paid	(1,483)	(1,430)	(1,331)
Preferred dividends paid	(44)	(44)	(99)
Issuances of debt (maturities greater than 90 days)	7,669	9,984	3,773
Payments on debt (maturities greater than 90 days) and finance leases	(6,294)	(4,510)	(5,489)
Increase (decrease) in short-term debt, net	552	(1,266)	1,913
Net cash provided by financing activities	2,419	3,779	1,260
(Decrease) increase in cash, cash equivalents and restricted cash	(73)	(119)	(404)
Cash and cash equivalents, January 1	462	581	985
Cash and cash equivalents, December 31	389	462	581
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION
Interest payments, net of amounts capitalized	1,172	1,014	1,163
Income tax payments (refunds), net	197	284	230
SUPPLEMENTAL DISCLOSURE OF NONCASH INVESTING AND FINANCING ACTIVITIES
Accrued capital expenditures	1,052	590	591
Increase in finance lease obligations for investment in PP&E	57	57	43
Increase in ARO for investment in PP&E	33	91	153
SoCalGas
CASH FLOWS FROM OPERATING ACTIVITIES
Net income (loss)	812	600	(426)
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	839	761	716
Deferred income taxes and investment tax credits	12	146	(494)
Bad debt expense	294	70	26
Other	(12)	(12)	(7)
Net change in working capital components:
Accounts receivable	207	(512)	(383)
Due to/from unconsolidated affiliates, net	57	(28)	(25)
Income taxes receivable/payable, net	(8)	23	(43)
Inventories	(118)	13	(18)
Other current assets	(1,053)	(139)	(21)
Accounts payable	(179)	191	181
Regulatory balancing accounts, net	(311)	46	306
Reserve for Aliso Canyon costs	(98)	(1,851)	1,532
Other current liabilities	1,047	185	(92)
Insurance receivable for Aliso Canyon costs	0	360	85
Changes in other noncurrent assets and liabilities, net	(100)	(307)	(304)
Net cash provided by operating activities	1,389	(454)	1,033
CASH FLOWS FROM INVESTING ACTIVITIES
Expenditures for property, plant and equipment	(2,020)	(1,993)	(1,984)
Net cash used in investing activities	(2,020)	(1,993)	(1,984)
CASH FLOWS FROM FINANCING ACTIVITIES
Common dividends paid	(100)	0	(75)
Preferred dividends paid	(1)	(1)	(1)
Equity contributions from Sempra	0	650	800
Issuances of debt (maturities greater than 90 days)	997	2,094	0
Payments on debt (maturities greater than 90 days) and finance leases	(1,120)	(15)	(12)
Increase (decrease) in short-term debt, net	846	(285)	272
Debt issuance costs	(10)	(12)	0
Net cash provided by financing activities	612	2,431	984
(Decrease) increase in cash, cash equivalents and restricted cash	(19)	(16)	33
Cash and cash equivalents, January 1	21	37	4
Cash and cash equivalents, December 31	2	21	37
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION
Interest payments, net of amounts capitalized	279	173	151
Income tax payments (refunds), net	6	(31)	227
SUPPLEMENTAL DISCLOSURE OF NONCASH INVESTING AND FINANCING ACTIVITIES
Accrued capital expenditures	290	245	222
Increase in finance lease obligations for investment in PP&E	40	41	19
Increase in ARO for investment in PP&E	$ 1	$ 63	$ 125