Consolidated Statements of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash flows from operating activities:
Net (loss) income	$ 319	$ 1,232
Adjustments to reconcile to net cash provided by operating activities:
Depreciation and amortization	1,512	1,316
Allowance for equity during construction	(87)	(75)
Impairment and other	(46)	166
Deferred income taxes	(344)	(221)
Wildfire Insurance Fund amortization expense	252	67
Other	31	21
Nuclear decommissioning trusts	(123)	(114)
Contributions to Wildfire Insurance Fund	0	(2,363)
Changes in operating assets and liabilities:
Receivables	(556)	(383)
Inventory	(24)	(68)
Accounts payable	7	284
Tax receivables and payables	197	163
Other current assets and liabilities	(311)	(340)
Regulatory assets and liabilities, net	(1,074)	(470)
Wildfire-related insurance receivable	73	0
Wildfire-related claims	1,267	0
Other noncurrent assets and liabilities	(22)	(32)
Net cash provided by (used in) operating activities	1,071	(817)
Cash flows from financing activities:
Long-term debt issued, net of discount and issuance costs	2,726	2,902
Long-term debt repaid or repurchased	(1,098)	(81)
Term loan and revolving credit facility borrowing	1,929	1,750
Term loan repaid	(800)	(750)
Common stock issued	896	2,165
Preferred and preference stock redeemed	(308)	0
Short-term debt financing, net	73	(722)
Payments for stock-based compensation	(3)	(64)
Receipts from stock option exercises	14	51
Dividends and distribution to noncontrolling interests	(97)	(96)
Dividends paid	(691)	(594)
Other	6	(3)
Net cash provided by financing activities	2,647	4,558
Cash flows from investing activities:
Capital expenditures	(3,897)	(3,497)
Proceeds from sale of nuclear decommissioning trust investments	4,754	3,354
Purchases of nuclear decommissioning trust investments	(4,631)	(3,240)
Proceeds from sale of San Onofre nuclear fuel	86	4
Other	(6)	34
Investing cash flows from continuing operations	(3,694)	(3,345)
Net increase in cash, cash equivalents and restricted cash	24	396
Cash, cash equivalents and restricted cash at beginning of period	70	152
Cash, cash equivalents and restricted cash at end of period	94	548
Southern California Edison
Cash flows from operating activities:
Net (loss) income	442	1,306
Adjustments to reconcile to net cash provided by operating activities:
Depreciation and amortization	1,506	1,312
Allowance for equity during construction	(87)	(75)
Impairment and other	(80)	166
Deferred income taxes	(285)	(207)
Wildfire Insurance Fund amortization expense	252	67
Other	19	14
Nuclear decommissioning trusts	(123)	(114)
Contributions to Wildfire Insurance Fund	0	(2,363)
Changes in operating assets and liabilities:
Receivables	(564)	(392)
Inventory	(24)	(68)
Accounts payable	(19)	275
Tax receivables and payables	208	279
Other current assets and liabilities	(321)	(341)
Regulatory assets and liabilities, net	(1,074)	(470)
Wildfire-related insurance receivable	73	0
Wildfire-related claims	1,267	0
Other noncurrent assets and liabilities	(28)	(28)
Net cash provided by (used in) operating activities	1,162	(639)
Cash flows from financing activities:
Long-term debt issued, net of discount and issuance costs	2,330	2,306
Long-term debt repaid or repurchased	(698)	(81)
Term loan and revolving credit facility borrowing	1,129	750
Term loan repaid	0	(750)
Capital contributions from Edison International Parent	1,107	3,050
Preferred and preference stock redeemed	(308)	0
Short-term debt financing, net	73	(721)
Payments for stock-based compensation	(5)	(39)
Receipts from stock option exercises	0	22
Dividends paid	(1,104)	(496)
Other	6	(2)
Net cash provided by financing activities	2,530	4,039
Cash flows from investing activities:
Capital expenditures	(3,894)	(3,495)
Proceeds from sale of nuclear decommissioning trust investments	4,754	3,354
Purchases of nuclear decommissioning trust investments	(4,631)	(3,240)
Proceeds from sale of San Onofre nuclear fuel	86	4
Other	(1)	41
Investing cash flows from continuing operations	(3,686)	(3,336)
Net increase in cash, cash equivalents and restricted cash	6	64
Cash, cash equivalents and restricted cash at beginning of period	24	22
Cash, cash equivalents and restricted cash at end of period	$ 30	$ 86