Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Cash flows from operating activities:
Net income	$ 365	$ 136
Adjustments to reconcile to net cash provided by operating activities:
Depreciation and amortization	676	624
Allowance for equity during construction	(36)	(30)
Deferred income taxes	12	(55)
Wildfire Insurance Fund amortization expense	52	53
Other	8	11
Nuclear decommissioning trusts	(19)	(34)
Changes in operating assets and liabilities:
Receivables	227	130
Inventory	(29)	(14)
Accounts payable	(508)	(84)
Tax receivables and payables	(9)	54
Other current assets and liabilities	(329)	(30)
Derivative assets and liabilities, net	(99)	35
Regulatory assets and liabilities, net	(296)	259
Wildfire-related insurance receivable		(96)
Wildfire-related claims	(133)	(196)
Other noncurrent assets and liabilities	28	29
Net cash (used in) provided by operating activities	(90)	792
Cash flows from financing activities:
Long-term debt issued, net of discount and issuance costs	1,681	1,713
Long-term debt repaid	(401)	(365)
Short-term debt repaid	(600)	(518)
Common stock issued	10	4
Commercial paper borrowing (repayments), net	960	(306)
Dividends and distribution to noncontrolling interests	(29)	(32)
Common stock dividends paid	(277)	(262)
Preferred and preference stock dividends paid	(52)	(46)
Other	24	17
Net cash provided by financing activities	1,316	205
Cash flows from investing activities:
Capital expenditures	(1,324)	(1,207)
Proceeds from sale of nuclear decommissioning trust investments	951	867
Purchases of nuclear decommissioning trust investments	(932)	(833)
Other		16
Net cash used in investing activities	(1,305)	(1,157)
Net decrease in cash, cash equivalents and restricted cash	(79)	(160)
Cash, cash equivalents and restricted cash at beginning of period	917	394
Cash, cash equivalents and restricted cash at end of period	838	234
SCE
Cash flows from operating activities:
Net income	399	173
Adjustments to reconcile to net cash provided by operating activities:
Depreciation and amortization	673	622
Allowance for equity during construction	(36)	(30)
Deferred income taxes	28	(40)
Wildfire Insurance Fund amortization expense	52	53
Other	2	6
Nuclear decommissioning trusts	(19)	(34)
Changes in operating assets and liabilities:
Receivables	235	130
Inventory	(29)	(14)
Accounts payable	(505)	(79)
Tax receivables and payables	(9)	36
Other current assets and liabilities	(318)	(30)
Derivative assets and liabilities, net	(99)	35
Regulatory assets and liabilities, net	(296)	259
Wildfire-related insurance receivable		(96)
Wildfire-related claims	(133)	(196)
Other noncurrent assets and liabilities	35	32
Net cash (used in) provided by operating activities	(20)	827
Cash flows from financing activities:
Long-term debt issued, net of discount and issuance costs	1,186	1,713
Long-term debt repaid	(1)	(365)
Short-term debt repaid		(518)
Commercial paper borrowing (repayments), net	431	(306)
Common stock dividends paid	(350)	(325)
Preferred and preference stock dividends paid	(29)	(32)
Other	12	4
Net cash provided by financing activities	1,249	171
Cash flows from investing activities:
Capital expenditures	(1,324)	(1,207)
Proceeds from sale of nuclear decommissioning trust investments	951	867
Purchases of nuclear decommissioning trust investments	(932)	(833)
Other		14
Net cash used in investing activities	(1,305)	(1,159)
Net decrease in cash, cash equivalents and restricted cash	(76)	(161)
Cash, cash equivalents and restricted cash at beginning of period	766	280
Cash, cash equivalents and restricted cash at end of period	$ 690	$ 119