Consolidated Statements of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Cash flows from operating activities:
Net income	$ 354	$ 319
Adjustments to reconcile to net cash provided by operating activities:
Depreciation and amortization	1,709	1,512
Allowance for equity during construction	(92)	(87)
Impairment and other expense (income)	67	(46)
Deferred income taxes	(1)	(344)
Wildfire Insurance Fund amortization expense	161	252
Other	34	31
Nuclear decommissioning trusts	(204)	(123)
Proceeds from Morongo Transmission LLC	400
Changes in operating assets and liabilities:
Receivables	(706)	(556)
Inventory	(10)	(24)
Accounts payable	282	7
Tax receivables and payables	204	197
Other current assets and liabilities	(716)	(311)
Regulatory assets and liabilities, net	(484)	(1,074)
Wildfire-related insurance receivable	707	73
Wildfire-related claims	(2,120)	1,267
Other noncurrent assets and liabilities	(1)	(22)
Net cash (used in) provided by operating activities	(416)	1,071
Cash flows from financing activities:
Long-term debt issued, plus premium and net of discount and issuance costs	4,798	2,726
Long-term debt repaid or repurchased	(1,031)	(1,098)
Short-term debt issued	2,105	1,929
Short-term debt repaid	1,355	800
Common stock issued	28	896
Preferred stock issued, net	1,235
Preferred and preference stock redeemed		(308)
Commercial paper (repayment) borrowing, net	(435)	73
Dividends and distribution to noncontrolling interests	(85)	(97)
Common stock dividends paid	(741)	(691)
Preferred stock dividends paid	(35)
Other	22	17
Net cash provided by financing activities	4,506	2,647
Cash flows from investing activities:
Capital expenditures	(3,948)	(3,897)
Proceeds from sale of nuclear decommissioning trust investments	3,218	4,754
Purchases of nuclear decommissioning trust investments	(3,014)	(4,631)
Other	90	80
Net cash used in investing activities	(3,654)	(3,694)
Net increase in cash, cash equivalents and restricted cash	436	24
Cash, cash equivalents and restricted cash at beginning of period	89	70
Cash, cash equivalents and restricted cash at end of period	525	94
SCE
Cash flows from operating activities:
Net income	451	442
Adjustments to reconcile to net cash provided by operating activities:
Depreciation and amortization	1,703	1,506
Allowance for equity during construction	(92)	(87)
Impairment and other expense (income)	68	(80)
Deferred income taxes	39	(285)
Wildfire Insurance Fund amortization expense	161	252
Other	25	19
Nuclear decommissioning trusts	(204)	(123)
Proceeds from Morongo Transmission LLC	400	0
Changes in operating assets and liabilities:
Receivables	(704)	(564)
Inventory	(10)	(24)
Accounts payable	286	(19)
Tax receivables and payables	202	208
Other current assets and liabilities	(727)	(321)
Regulatory assets and liabilities, net	(484)	(1,074)
Wildfire-related insurance receivable	707	73
Wildfire-related claims	(2,120)	1,267
Other noncurrent assets and liabilities	5	(28)
Net cash (used in) provided by operating activities	(294)	1,162
Cash flows from financing activities:
Long-term debt issued, plus premium and net of discount and issuance costs	4,798	2,330
Long-term debt repaid or repurchased	(1,031)	(698)
Short-term debt issued	2,105	1,129
Short-term debt repaid	1,355	0
Capital contributions from Edison International Parent	1,308	1,107
Preferred and preference stock redeemed	0	(308)
Commercial paper (repayment) borrowing, net	(725)	73
Dividends paid	(735)	(1,104)
Other	12	1
Net cash provided by financing activities	4,377	2,530
Cash flows from investing activities:
Capital expenditures	(3,946)	(3,894)
Proceeds from sale of nuclear decommissioning trust investments	3,218	4,754
Purchases of nuclear decommissioning trust investments	(3,014)	(4,631)
Other	88	85
Net cash used in investing activities	(3,654)	(3,686)
Net increase in cash, cash equivalents and restricted cash	429	6
Cash, cash equivalents and restricted cash at beginning of period	56	24
Cash, cash equivalents and restricted cash at end of period	$ 485	$ 30