STATEMENTS OF CASH FLOWS - SDG&E - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
CASH FLOWS FROM OPERATING ACTIVITIES
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ 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
Other current liabilities	142	1,270	228
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)
Purchases of nuclear decommissioning and other trust assets	(889)	(610)	(700)
Proceeds from sales of nuclear decommissioning and other trust assets	942	661	762
Other	23	12	6
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)
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)
Other	(56)	(85)	(35)
Net cash provided by financing activities	5,424	2,419	3,779
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect	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
Increase in finance lease obligations capitalized to PP&E	41	57	57
Increase in ARO capitalized to PP&E	1	33	91
SDG&E
CASH FLOWS FROM OPERATING ACTIVITIES
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	891	936	915
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	1,223	1,098	982
Deferred income taxes and investment tax credits	169	135	93
Bad debt expense	55	112	46
Other	(14)	(35)	(34)
Net change in working capital components:
Accounts receivable	92	(213)	(163)
Due to/from unconsolidated affiliates, net	(14)	(62)	38
Income taxes receivable/payable, net	209	(236)	9
Inventories	(49)	(19)	(11)
Other current assets	(21)	(17)	(80)
Accounts payable	(32)	31	153
Regulatory balancing accounts, net	(429)	571	(10)
Other current liabilities	(21)	129	62
Changes in other noncurrent assets and liabilities, net	14	(494)	(271)
Net cash provided by operating activities	2,073	1,936	1,729
Net cash used in investing activities
Expenditures for property, plant and equipment	(2,522)	(2,540)	(2,473)
Purchases of nuclear decommissioning and other trust assets	(826)	(532)	(586)
Proceeds from sales of nuclear decommissioning and other trust assets	874	592	639
Other	13	8	8
Net cash used in investing activities	(2,461)	(2,472)	(2,412)
CASH FLOWS FROM FINANCING ACTIVITIES
Common dividends paid	(225)	(100)	(100)
Issuances of debt (maturities greater than 90 days)	594	1,389	1,395
Payments on debt (maturities greater than 90 days) and finance leases	(442)	(490)	(425)
(Decrease) increase in short-term debt, net	417	(205)	(196)
Debt issuance costs	(6)	(13)	(9)
Other	0	(2)	0
Net cash provided by financing activities	338	579	665
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect	(50)	43	(18)
Cash, cash equivalents and restricted cash, January 1	50	7	25
Cash, cash equivalents and restricted cash, December 31	0	50	7
SUPPLEMENTAL DISCLOSURE OF NONCASH INVESTING AND FINANCING ACTIVITIES
Interest payments, net of amounts capitalized	514	472	431
Income tax payments, net of refunds	(225)	76	79
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]
Accrued capital expenditures for PP&E	230	264	231
Increase in finance lease obligations capitalized to PP&E	14	17	16
Increase in ARO capitalized to PP&E	$ 24	$ 29	$ 15